1ST QUANTUM SCIENCE, ENGINEERING AND TECHNOLOGY … · the conference website, and in editing the...

1ST QUANTUM SCIENCE, ENGINEERING AND TECHNOLOGY (qSET) CONFERENCE PROGRAM 8 – 11 APRIL, 2019

School of Engineering and Information Technology

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UNSW Canberra

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Sponsors


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Table of Contents

Welcome 5

UNSW Fast Facts 6

Welcome To Canberra 7

Canberra Map 8 - 9

Social Events 10

Program Schedule 11 - 13

Organisers and Advisory Committee 14 - 15

Pre-conference Workshop 16 - 17

Plenary Speakers 18 - 23

Keynote Speakers 24 - 30

Invited Speakers 31 - 43

Posters 44 - 48

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Welcome

It is my great honour to welcome you all to the 1st Quantum Science, Engineering and Technology Conference (qSET 2019) to be held at UNSW Canberra, 8-11 April, 2019.The qSET 2019 brings together many leading experts, students and industrial partners worldwide in the fields of quantum science, engineering and technology to present their best research and share their knowledge. This conference will include three plenary presentations, six keynote presentations, 15 invited talks, 25 posters, one panel discussion, one pre-conference workshop consisting of seven invited talks, and several social events.

The planning for qSET 2019 has taken 16 months and required a great deal of effort from the Organising Committee and the International Advisory Committee. I would like to thank all of the members of the Organising Committee. General Co-Chairs Ian Petersen and John Close have shared their rich experience and invested many hours to ensure that all comes together for the conference. Their dedication is particularly evidenced by the high-calibre of invited speakers that they have been able to secure for the conference. Dr Hidehiro Yonezawa undertook the role of Local Organising Committee Chair which means that he has led a huge range of different tasks which were essential for the running of the conference. All Local Organising Committee members including Dr Matthew Woolley, Dr Shota Yokoyama, Ms Qi Yu, Ms Yanan Liu and Mr Yuanlong Wang have dedicated their time and efforts to planning and organising the conference. I would like to thank the outstanding team in the Creative Media Unit at UNSW Canberra for their excellent work especially in setting up and managing the conference website, and in editing the program booklets. I would like to express my appreciation to all the experts of the International Advisory Committee for providing a great deal of valuable advice and recommending world-class speakers to the conference. I would like to thank Dr Simin Feng for her invaluable advice and strong support in organising this conference, and Prof Rebing Wu for organising the pre-conference workshop. My special thanks go to distinguished invited speakers, all the authors of posters for contributing their latest research work to the conference, and all the participants in anticipation that they will make qSET 2019 a memorable event.

My colleagues and I extend thanks to all the conference financial sponsors including UNSW Canberra, U.S. Office of Naval Research Global, ARC Centre of Excellence for Quantum Computation and Communication Technology, U.S. Army RDECOM, Asian Office of Aerospace R&D, and Keysight Technologies, for their generous support. We also gratefully acknowledge our technical sponsors including the Australian National University, the IEEE and IEEE SMC Society.

Finally, I wish all participants a successful and stimulating conference.

Daoyi Dong, General Chair of qSET 2019


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Top 50UNSW is ranked 45 in the 2018

QS World University Rankings

Leading MBAThe Australian Graduate School

of Management MBA program is recognised as one of the finest in

the Financial Times’ ranking of the top 100 global MBA programs

Talented StudentsWe have the highest median ATAR in

NSW and attract the largest percentage of the State’s top school leavers.

Campus LifeOur extensive campus transformation

program is providing the best possible learning and research environment.

Leader in TeachingUNSW is the top university nationally for Accounting and Finance in the 2015 QS World University Subject Rankings, and

has 18 subjects in the world’s top 50.

Alumni SuccessWe have the largest number of millionaire

alumni and have produced more technology entrepreneurs in the past 15

years than any other Australian university.

Top GraduatesMore of Australia’s top CEOs who lead ASX 200 companies studied at UNSW

than any other university.

Star ResearchersOur researchers won the highest

amount of Australian Research Council funding in 2014.

Industry LinksUNSW received the highest level of

Australian Research Council industry linked project grants.

UNSW

8 FacultiesArt & Design

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Engineering

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3,000 Students 400 Staff

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Sydney Canberra

Welcome to Canberra, Australia

Australia is a strong and prosperous nation occupying an entire continent in the Southern Hemisphere, bridging the Indian, Pacific and Southern Oceans. Canberra is the Nation’s capital and Australia’s largest inland city with a growing population of over 400,000, located within the Australian Capital Territory.

Originally the home of the Ngunnawal people and the surrounding Ngarigo, Wandandian, Walgulu, Gandangara and Wiradjuri peoples, Canberra was established as a city in 1913 after an international competition to design the

Nation’s capital won by Walter Burley Griffin and Marion Mahony Griffin from Chicago in the USA.

Canberra is a dynamic city, often known affectionately as the “Bush Capital”. It combines the nation’s grand institutions and a vibrant restaurant and café culture in the idyllic setting of open spaces and countryside bringing together lakes, rolling plains, forest and mountains. It is populated by all manner of native flora and fauna most especially our kangaroos.

“Criminally overlooked Canberra packs a big punch for such a small city. National treasures are found round almost every corner and exciting new boutique precincts have emerged, bulging with gastronomic highlights and cultural must-dos.” Lonely Planet’s Best in Travel 2018


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UNSW Canberra

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Civic CentreCivic is the name by which the central business district of Canberra is commonly known. It is also called Civic Centre, City Centre, Canberra City and Canberra, but its official division name is City.

Parliament HouseAddress: Parliament Dr, Canberra ACT 2600 Phone: (02) 6277 7111

Australian War MemorialAddress: Treloar Cres, Campbell ACT 2612 Phone: (02) 6243 4211

UNSW CanberraAddress: Northcott Dr, Campbell ACT 2612 Phone: (02) 6268 6000

Canberra AirportAddress: Terminal Circuit, Australian Capital Territory 2609 Phone: (02) 6275 2222

Mercure Hotel CanberraAddress: Limestone Ave & Ainslie, Braddon ACT 2618 Phone: (02) 6243 0000

Water’s Edge RestaurantAddress: 40 Parkes Pl E, Parkes ACT 2600 Phone: (02) 6273 5066

Canberra Map

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School of Engineering and Information TechnologyUNSW Canberra

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Social Events

Conference CateringA daily light breakfast will be provided at the conference venue as will morning and afternoon tea and lunch. In addition we have planned a number of social events for you to allow everyone to get to know each other and share your research experiences.

Welcome ReceptionMonday evening 19.00-21.00, Mercure Hotel Address: Limestone Ave & Ainslie, Braddon ACT 2618

Excursion for all DelegatesWednesday Afternoon 13.30-17.30, Tidbinbilla Nature Reserve and NASA Deep Space Communications Complex Address: 421 Discovery Dr, Paddys River ACT 2620

Banquet for Delegates with TicketsWednesday evening 19.00-22.00 (drink starting at 18.30), Water’s Edge Restaurant Address: 40 Parkes Pl E, Parkes ACT 2600

Program Schedule Venue: BLD 32

8 April 2019 9 April 2019

7.45 Bus departs from Hotel to UNSW Canberra

7.45 - 8.15 Breakfast

8.15 Opening

8.30 - 9.30

Workshop

Michelle Simmons

9.30 - 10.15 Hideo Mabuchi

10.15 - 10.45 Naoki Yamamoto

10.45 - 11.15 Morning tea

11.15 - 12.00 Chao-Yang Lu

12.00 - 12.30 Mankei Tsang

12.30-14.00 Lunch + Poster

14.00 - 14.30 Howard Wiseman

14.30 - 15.00 Rebing Wu

15.00 - 15.30 Andy Martin

15:30 - 16.00 Afternoon tea

16.00 - 16.30 Daniel Burgarth

16.30 - 17.00 Guo-Yong Xiang

17.00 - 17.30 Kavan Modi

18.00 Bus to Hotel and then to Civic

19.00 - 21.00 Reception


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Program Schedule

10 April 2019



8.30 - 9.30 Cass Sackett

9.30 - 10.15 Meera Parish

10.15 - 10.45 Hersch Rabitz

10.45 - 11.15 Morning Tea

11.15 - 12.00 David Reilly

12.00 - 12.30 Benjamin Strycker / Marlan O. Scully

12.30 - 13.30 Lunch + Poster

13.30 - 17.30Bus departs from UNSW Canberra at 13.30Excursion for all DelegatesBus departs at 17.00 to Civic / Hotel / UNSW Canberra

18.30-22.00Bus departs from Hotel at 18.30Banquet for Delegates with TicketsBus departs at 22.00 to Civic / Hotel

11 April 2019



8.30-9.30 Jiangfeng Du

9.30-10.15 Pierre Rouchon

10.15-10.45 Cathy Foley

10.45-11.15 Morning tea

11.15-12.00 Lloyd C.L. Hollenberg

12.00-12.30 Andre Luiten

12.30-14.00 Lunch + Panel Discussion (Moderator: Cathy Foley)

14.00-14.30 Franco Nori

14.30-15.00 Stefan Forstner

15.00-15.30 Benjamin Eggleton

15.30-16.00 Afternoon Tea / Farewell

16.00 Bus from UNSW Canberra to Hotel / Civic


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Organisers and Advisory Committee

Organising Committee

A/Prof Daoyi Dong (General Chair), UNSW Canberra, Email: [email protected]

Prof Ian Petersen (General Co-Chair), Australian National University, Email: [email protected]

Prof John Close (General Co-Chair), Australian National University, Email: [email protected]

Dr Hidehiro Yonezawa (Local Organising Committee Chair), ARC Centre of Excellence for Quantum Computation and Communication Technology, UNSW Canberra, Email: [email protected]

Prof Pierre Rouchon (Award Chair), Mines-ParisTech, France

Local Organising Committee Members: Matthew Woolley, Shota Yokoyama, Qi Yu, Yanan Liu, Yuanlong Wang

International Advisory Committee

Dr Thomas Bahder, U.S. Army Research Office - Tokyo

Prof Warwick Bowen, ARC Centre of Excellence for Engineered Quantum Systems, University of Queensland, Australia

Prof Garnett Bryant, National Institute of Standards and Technology (NIST), USA

Prof Ben Buchler, ARC Centre of Excellence for Quantum Computation and Communication Technology, Australian National University, Australia

Dr Daniel Burgarth, Aberystwyth University, UK

Prof Cristian Calude, The University of Auckland, New Zealand

Prof Howard Carmichael, The University of Auckland, New Zealand

Prof John Close, Australian National University, Australia

Prof Peter Drummond, Swinburne University of Technology, Australia

Dr Simin Feng, Office of Naval Research Global, USA

Prof John Gough, Aberystwyth University, UK

Prof Guang-Can Guo, University of Science and Technology of China, China

Prof Byoung Ham, Gwangju Institute of Science and Technology, South Korea

Prof Lloyd C.L. Hollenberg, ARC Centre of Excellence for Quantum Computation and Communication Technology, University of Melbourne, Australia

Prof Matthew James, ARC Centre of Excellence for Quantum Computation and Communication Technology, Australian National University, Australia

Prof Jevon Longdell, University of Otago, New Zealand

Prof Chao-Yang Lu, University of Science and Technology of China, China

Prof Andre Luiten, University of Adelaide, Australia

Dr Bill Munro, Nippon Telegraph and Telephone, Japan

Prof Franco Nori, RIKEN, Japan, and University of Michigan, USA

Prof Raymond Ooi, University of Malaya, Malaysia

Dr Kyungho Park, US Army International Technology Center-Pacific - Tokyo

Prof Ian Petersen, Australian National University, Australia

Prof Herschel Rabitz, Princeton University, USA

Dr Tom Reinecke, U.S. Naval Research Lab, USA

Prof Nicholas Robins, Australian National University, Australia

Prof Pierre Rouchon, MINES ParisTech, France

Prof Marlan Scully, Texas A & M University and Princeton University, USA

Prof Michelle Simmons, Director of ARC Centre of Excellence for Quantum Computation and Communication Technology, University of New South Wales, Australia

Prof Valery Ugrinovskii, UNSW Canberra, Australia

Prof Andrew White, ARC Centre of Excellence for Engineered Quantum Systems, University of Queensland, Australia

Prof Howard Wiseman, ARC Centre of Excellence for Quantum Computation and Communication Technology, Griffith University, Australia

Prof Ling-An Wu, Chinese Academy of Sciences, China


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International Workshop on Quantum Cybernetics and Machine Learning

Invited Speakers

Chair: Rebing Wu, Department of Automation, Tsinghua University, China

Quantum cybernetics provides the framework for a fundamental and interdisciplinary investigation on the role of quantum effects on regulating quantum and classical systems, and developing new quantum technology. At the same time, quantum machine learning provides promising possibility to speed up the solution of learning problems by taking advantage of quantum characteristics.

The workshop focuses on recent advancements in quantum cybernetics and quantum machine learning, two closely tied emerging fields in quantum technologies. Topics include but not limited to quantum control, machine learning, and quantum estimation.

A/Prof Guofeng Zhang

The Hong Kong Polytechnic University, Hong Kong

Dr Hendra Nurdin

University of New South Wales, Sydney, Australia

A/Prof Nan Li

The Chinese Academy of Sciences, China

Prof Herschel Rabitz

Princeton University, USA

Prof Valery Ugrinovskii

University of New South Wales, Canberra, Australia

Dr Michael Hush

q-Ctrl Company, Australia

Dr Shan Ma

Central South University, China

Pre-Conference Workshop 8 April 2019 Venue: SR06 BLD 32

Schedule

Time Speaker Title

8.:35 - 8.40 Daoyi Dong Welcome remark

8.40 - 9.40 Herschel Rabitz Quantum Learning Control

9.40 - 10.10 Valery Ugrinovskii Wiener Filtering for Passive Linear Quantum Systems

10.10 - 10.30 Coffee Break

10.30 - 11.00 Guofeng ZhangOn Dynamics of a Two-qubit Coherent Feedback Network Driven by Two Photons

11.00 - 11.30 Hendra Nurdin Learning Nonlinear Input-output Maps with Dissipative Quantum Systems

11.30 - 12.00 Nan Li On Quantumness of Quantum Ensembles

12.00 - 13.00 Lunch

13.00 - 13.30 Michael Hush On the Control of Noisy Quantum Systems

13.30 - 14.00 Shan MaA Class of Bound Entangled Gaussian States and Their Realizations in Quantum Optics

14.00 - 14.30 Afternoon tea


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Plenary Speakers

Professor Michelle Y. Simmons

AFFILIATIONCentre of Excellence for Quantum Computation and Communication Technology, UNSW Sydney, NSW 2052, Australia

TOPIC

Atomic qubits in silicon

ABSTRACT

Extremely long electron and nuclear spin coherence times have been demonstrated in isotopically pure Si-28 [1,2] making silicon a promising semiconductor material for spin-based quantum information. The two-level spin state of single electrons bound to shallow phosphorus donors in silicon in particular provide well defined, reproducible qubits [3]. An important challenge in these systems is the realisation of an architecture, where we can position donors within a crystalline environment with approx. 20-50nm separation, individually address each donor, manipulate the electron spins using ESR techniques and read-out their spin states.

We have developed a unique fabrication strategy for a scalable quantum computer in silicon using scanning tunneling microscope lithography to precisely position individual P donors in Si [4] aligned with nanoscale precision to local control gates [5] necessary to initialize, manipulate, and read-out the spin states [6-8]. We have published our approach to scale-up using 3D architectures for implementation of the surface code [9].

During this talk I will focus on demonstrating fast, high fidelity single-shot spin read-out [10], ESR control of precisely-positioned P donors in Si [11] and our results to demonstrating a two-qubit gate in donor qubits in silicon [12,13]. With important advances in control at the atomic-scale, I will attempt to highlight the benefits of single atom qubits in silicon.

REFERENCES

[1] K. Saeedi et al., Science 342, 130 (2013).[2] J. T. Muhonen et al., Nature Nanotechnology 9, 986 (2014).[3] B.E. Kane, Nature 393, 133 (1998).[4] M. Fuechsle et al., Nature Nanotechnology 7, 242 (2012).[5] B. Weber et al., Science 335, 6064 (2012).[6] H. Buch et al., Nature Communications 4, 2017 (2013).[7] B. Weber et al., Nature Nanotechnology 9, 430 (2014).[8] T. F. Watson et al., Science Advances 3, e1602811 (2017).[9] C. Hill et al., Science Advances 1, e1500707 (2015).[10] D. Keith et al., paper submitted (2018).[11] S. Hile et al., Science Advances 4, eaaq1459 (2018).[12] M.A. Broome et al., Nature Communications 9, 980 (2018).[13] S. Gorman, Y. He et al., paper in preparation (2018).

BIO

Professor Michelle Simmons is an Australian Government Laureate Fellow and Director of the Centre of Excellence for Quantum Computation and Communication Technology at the University of New South Wales in Sydney, Australia. As an expert in quantum computing, Professor Simmons has pioneered unique technologies internationally to build electronic devices at the atomic scale. As director of Silicon Quantum Computing Pty Ltd, her team is at the forefront of developing a silicon-based quantum computer. She is currently Editor-in-Chief of Nature Quantum Information and in 2018 Professor Simmons was named Australian of the Year and admitted as a Fellow to the Royal Society of London.


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Plenary Speakers

Cass Sackett

AFFILIATIONPhysics Department, University of Virginia, USA

TOPIC

Using trapped atoms for inertial navigation: prospects and challenges

ABSTRACT

Cold atoms are an obvious and attractive platform for quantum sensing applications. Indeed, one of the more mature areas of quantum sensing is atom interferometry, which is particularly useful for measuring inertial quantities like gravity, acceleration, and rotation. Existing laboratory atom interferometers hold many performance records in these areas. However, transitioning these technologies to real-world products has proven challenging. One barrier is the reliance on freely falling atoms, where long measurement times lead to large drop distances and thus large volume requirements. One way to avoid this problem is using trapped atoms. I will describe our recent application of a trapped atom gyroscope, where we demonstrate Earth-rate sensitivity using atoms confined within a volume of 10-2 mm3. With further development, it should be possible to obtain substantially greater sensitivity, along with accommodation of vibration and orientation noise that a practical navigation system would require. Alternatively, it is possible for a compact system to use freely falling atoms in a microgravity environment, and improvements to space-based inertial navigation systems are highly desirable. I will discuss initial steps in this direction that have been taken in the Cold Atom Laboratory on the International Space Station. This talk is based on joint work with E Moan, Z. Luo, and S. Berl.

BIO

Cass Sackett is currently an Associate Professor of Physics at the University of Virginia, USA. His research is focused on developing practical applications for Bose-Einstein condensation. In particular, Professor Sackett is developing condensate interferometry, in which the atom wave is coherently separated into pieces which are later recombined. The result of the recombination depends sensitively on the surrounding environment, meaning that it can be used as a sensor for measuring inertial effects like gravity or rotation, and electromagnetic effects like fields or atomic interactions. Current projects include high-precision measurements of gravity, rotation, and atomic polarizability. Professor Sackett is also an investigator for NASA’s Cold Atom Laboratory experiment, where he is studying atom cooling and interferometry in the microgravity environment of the International Space Station.


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Plenary Speakers

Jiangfeng Du

AFFILIATIONCAS Key Laboratory of Microscale Magnetic Resonance and Department of Modern Physics of USTC; Chinese Academy of Sciences, China

TOPIC

Single molecule spectroscopy and imaging with a quantum sensor

ABSTRACT

Magnetic resonance (MR) is one of the most important techniques for characterizing compositions, structure and dynamics of molecules. However, current methods need billions of uniform units on centimeter-scale to accumulate large enough signal-to-noise ratio. High sensitivity MR techniques are urgently needed for new applications on single molecule. A quantum sensor to accomplish single molecule detection is the nitrogen-vacancy (NV) defect center in diamond. By combining the quantum controls and long coherence time of NV, we have experimentally realized single molecule scale nuclear MR and electron spin resonance. We and co-workers have successfully achieved the following results.

(I) Single molecule spectroscopy. We obtained the first single-protein spin resonance spectroscopy under ambient conditions [4]. Electron spin resonance spectroscopy of single molecules under physiological conditions [2]. The work represents a step forward towards magnetic resonance investigation of biomolecules in their native environments at the single-molecule level. (II) Zero-field electron spin resonance (ESR) spectroscopy on nanoscale [3]. We successfully measured the zero-field ESR spectrum of a few electron spins, by precisely tune the energy levels of NV centers to be resonant with the target spins, and directly resolved the hyperfine coupling constant. This work breaks the sensitivity limitation and open the door of practical applications of the zero-field ESR. (III) Single molecule Imaging. Combing NV sensor together with atomic-force microscopy, we realized nanoscale magnetic resonance imaging of ferritins in a single cell [1].

These results, together with the relation works in the field, open a door to nanoscale/single molecule MR and will be potentially used as a new tool on a broad range of scientific areas from life science to physics and chemistry.

REFERENCES

[1] Pengfei Wang, Sanyou Chen, Maosen Guo, Shijie Peng, Mengqi Wang, Ming Chen, Wenchao Ma, Rui Zhang, Jihu Su, Xing Rong, Fazhan Shi, Tao Xu, and Jiangfeng Du. Nanoscale Magnetic resonance imaging in a single cell. Submitted (2018)

[2] Fazhan Shi, Fei Kong, Pengju Zhao, Xiaojun Zhang, Ming Chen, Sanyou Chen, Qi Zhang, Mengqi Wang, Xiangyu Ye, Zhecheng Wang, Zhuoyang Qin, Xing Rong, Jihu Su, Pengfei Wang, Peter Z. Qin, and Jiangfeng Du. Single DNA Electron Spin Resonance Spectroscopy at Physiological Conditions, accepted (2018)

[3] Fei Kong, Pengju Zhao, Xiangyu Ye, Zhecheng Wang, Zhuoyang Qin, Pei Yu, Jihu Su, Fazhan Shi, and Jiangfeng Du. Zero-field electron spin resonance spectroscopy on nanoscale, Nature Communications, 9, 1563 (2018)

[4] Fazhan Shi, Qi Zhang, Pengfei Wang, Hongbin Sun, Jiarong Wang, Xing Rong, Ming Chen, Chenyong Ju, Friedemann Reinhard, Hongwei Chen, Joerg Wrachtrup, Junfeng Wang, and Jiangfeng Du. Single-protein spin resonance spectroscopy under ambient conditions, Science, 347, 1135 (2015)

[5] Pengfei Wang, Zhenheng Yuan, Pu Huang, Xing Rong, Mengqi Wang, Xiangkun Xu, Changkui Duan, Chenyong Ju, Fazhan Shi, and Jiangfeng Du. High-resolution vector microwave magnetometry based on solid-state spins in diamond, Nature Communication,6, 6631 (2015)

BIO:

Prof. Du is an expert in the area of spin quantum physics and its applications. So far, he has published more than 160 scientific papers, including 45 papers published in Nature, Science, Nature Physics, Nature Communications, and Physical Review Letters. His research achievements have received the second prize of 2012 National Natural Science Award, The Outstanding Achievements in Natural Science by the Ministry of Education of China (2011), The Huang Kun Award of Solid-state Physics and Semiconductor Physics from Chinese Physical Society (2011), and The Award in Basic Science from Zhou GuangZhao Foundation (2016).


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Keynote Speakers

David J. Reilly

AFFILIATIONMicrosoft Quantum – Sydney, Microsoft Corporation; ARC Centre of Excellence, Engineered Quantum Systems, the University of Sydney, Australia

TOPIC

Challenges at the quantum-classical interface: more moore, or beyond moore

ABSTRACT

Scaling up quantum devices into quantum machines will likely require a revolution in classical technologies. This talk will outline some of the grand challenges at the quantum-classical interface and approaches to building-out a quantum machine that can solve real-world problems.

BIO

Professor David J. Reilly holds a joint position with Microsoft Corporation and the University of Sydney, where he is the Principal Researcher and Director of Microsoft Quantum - Sydney, a Chief Investigator in the ARC Centre of Excellence, Engineered Quantum Systems (EQuS), and a Professor in the School of Physics. The focus of much of Reilly’s work is at the quantum- classical interface and the scale-up of quantum technology. As a leader in Microsoft’s quantum effort he bridges the gap between fundamental quantum physics and the engineering approaches need to scale quantum devices into quantum machines. He is also interested in applying quantum tech in biomedicine, pioneering new approaches to magnetic resonance imaging using nanodiamonds.

Hideo Mabuchi

AFFILIATIONDepartment of Applied Physics, Stanford University, USA

TOPIC

Quantum control and coherent feedback: new horizons in optics

ABSTRACT

Methods of quantum feedback control continue to find diverse applications in quantum information science and technology. In this talk I will review our group’s recent theoretical work on coherent and measurement-based feedback control in the ultrafast/broadband domain of optics, and describe proof-of-principle experiments in progress. As I will explain, much of this research is motivated by connections to the Coherent Ising Machine (CIM) architecture for fast solution of hard nonlinear optimization problems. I will discuss prospects for realizing CIM-type photonic circuits (with all of their attendant feedback motifs) in a CMOS-compatible silicon platform, and close by presenting recent results on an elementary coherent feedback experiment involving 2D excitons in monolayer MoSe2. The latter results highlight an intriguing difference between 0D (atomic) and 2D dipoles for coherent interaction with optical signals.

BIO

Hideo Mabuchi (Professor of Applied Physics at Stanford University, USA) graduated from Princeton University with an A.B. in Physics in 1992, and from California Institute of Technology with a Ph.D. in Physics in 1998. From 1998-2007 he served as a faculty member in the departments of Physics and Control & Dynamical Systems at Caltech; from 2010-2016 he served as Department Chair for Applied Physics at Stanford. His group’s current research focuses on foundations for quantum engineering, including quantum feedback control, quantum nonlinear dynamics, broadband quantum optics, and unconventional materials and devices for quantum photonics.


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Keynote Speakers

Pierre Rouchon

AFFILIATIONMines-ParisTech, PSL Research University, France

TOPIC

Measurement-based feedback scheme and continuous-time quantum error correction

ABSTRACT

In a 2002 PRA-paper, Ahn, Doherty and Landahl addressed the problem of quantum error correction (QEC) in continuous-time. This entails rendering the code-manifold of quantum states globally attractive when the measurement and actuation processes are not infinitely fast. This relies on feedback strategies exploiting code-space populations as control Lyapunov functions. In this talk, we present in details, for the three-qubit bit-flip code, an original feedback design merging new control Lyapunov functions and exogenous Brownian motions. The resulting closed-loop dynamics are shown to stabilize the code-manifold exponentially with explicit estimates of the convergence rates. Moreover, these feedback laws depend only on 3 populations that can be recovered in real-time via an exact and low-dimensional quantum filter of order 3. Closed-loop simulations illustrate the robustness and quantify the amount of protection obtained by such continuous-time QEC strategies. Extension to general QEC codes of such feedbacks and related reduced-order quantum filters can be done similarly. This talk is based on ongoing works with Gerardo Cardona and Alain Sarlette.

BIO

Pierre Rouchon is professor at Mines-ParisTech, PSL Research University. He is a member of the Quantic Research Team between Inria, Ecole Normale Supérieure de Paris and Mines ParisTech. His fields of interest include nonlinear control and mathematical system theory with applications to physical systems. His contributions include differential flatness and its extension to infinite dimensional systems, nonlinear observers and symmetries, quantum filtering and quantum feedback.

Meera Parish

AFFILIATIONSchool of Physics and Astronomy, Monash University, Australia

TOPIC

Impurities in quantum matter

ABSTRACT

Controllable impurities act as sensitive probes of how few-body correlations emerge in strongly correlated quantum matter. I will discuss recent progress in the understanding of quantum impurity physics, both in the context of ultracold atomic gases and in exciton-polariton systems. Ultimately, the understanding of correlations in many-particle systems can allow us to harness their properties for a new generation of quantum devices.

BIO

Meera Parish is currently an Associate Professor at School of Physics and Astronomy, Monash University, Australia. She obtained her Ph.D. from the University of Cambridge, UK, in 2005, and she has since been a PCTS postdoctoral fellow at Princeton University; a Director of Studies at Clare College, Cambridge; and a Lecturer and EPSRC research fellow at University College London. Her research is broadly focussed on the theory of strongly correlated phenomena in ultracold atomic gases and electron systems. In particular, Professor Parish is interested in superconductivity and superfluidity, low-dimensional systems, and magnetotransport. In 2012, she was awarded the IOP Maxwell medal and prize for her achievements.


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Keynote Speakers

Chao-Yang Lu

AFFILIATIONUniversity of Science and Technology of China, Hefei, Anhui, P. R. China

TOPIC

Toward “quantum supremacy” with single photons

ABSTRACT

Quantum computers can in principle solve certain problems faster than classical computers. Despite substantial progress in the past decades, building quantum machines that can actually outperform classical computers for some specific tasks—a milestone termed as “quantum supremacy”—remained challenging. Boson sampling has been considered as a strong candidate to demonstrate the “quantum supremacy”.

The experimental challenge for realizing a large-scale boson sampling mainly lies in the lack of a perfect single-photon sources. In this talk, I will report two routes towards building boson sampling machines with many photons, which is also a first, necessary toward photonic quantum computing. In the first path, we developed SPDC two-photon source with simultaneously a collection efficiency of 97% and an indistinguishability of 96% between independent photons. With this, we demonstrate genuine entanglement of 12 photons.

In the second path, using a quantum dot-micropillar, we produced single photons with high purity (>99%), near-unity indistinguishability for >1000 photons, and high extraction efficiency—all combined in a single device compatibly and simultaneously. We build 3-, 4-, and 5-bosonsampling machines which runs >24,000 times faster than all the previous experiments, and for the first time reaches a complexity about 100 times faster than the first electronic computer (ENIAC) and transistorized computer (TRADIC). We hope to achieve 20-photon boson sampling in the near term. Relevant papers can be found at http://staff.ustc.edu.cn/~cylu.

BIO

Chao-Yang Lu was born in November 1982 in Zhejiang, China. He obtained his bachelor’s degree from the University of Science and Technology of China in 2004, and obtained his PhD in Physics from the Cavendish Laboratory, University of Cambridge in 2011. Shortly after being a Fellow of Churchill College, he returned to China and is currently a Professor of Physics at the University of Science and Technology of China, where he focuses on research on scalable quantum photonics, quantum computation, and quantum foundations. He published more than 70 articles in Reviews of Modern Physics, Science, Nature, Nature research journals, PNAS and PRL. His work on quantum teleportation was selected as by IOP Physics World as “Breakthrough of the Year 2015”. His work on single-photon source and boson sampling was selected by Optical Society of American as one of “Optics in 2016” and one of “Optics in 2017”. He has been awarded Young Qianren Talent, Hong Kong Qiushi Outstanding Young Scholars, National Natural Science Fund for Exceptional Young Scholars, First-Class National Natural Science Prize, OSA Fellow, Fresnel Prize from the European Physical Society, and AAAS Cleveland Prize.


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Lloyd C. L. Hollenberg

AFFILIATIONARC Centre of Excellence for Quantum Computation and Communication Technology, School of Physics, University of Melbourne, Australia

TOPIC

Spin qubits in semiconductors: from quantum sensing to quantum computing

ABSTRACT

The design and realisation of technology based on quantum mechanical systems have important applications in communication, computing and sensing. There are many physical platforms in which quantum technology is being developed. In this talk we will look at systems based on the control of single spins in diamond and silicon, and their application in quantum sensing and quantum computing, respectively.

BIO

Professor Hollenberg is the Thomas Baker Chair in the School of Physics at the University of Melbourne. He completed his PhD in 1989 in theoretical particle physics and in 1999 turned his attention to quantum computing. He is the Deputy Director of the Australian Research Council (ARC) Centre of Excellence for Quantum Computation and Communication Technology (2011-2024), and was awarded an ARC Laureate Fellowship in 2013. He has published over 250 papers and is well known internationally for his work in quantum computing and the development of quantum sensing techniques at the quantum-nano-bio interface. Lloyd was awarded the 2012 Walter Boas Medal, the 2013 Victoria Prize (Physical Sciences), the 2016 Royal Society (Victoria) Medal for Excellence in Scientific Research, and led the team that won the 2013 Eureka Prize for Excellence in Interdisciplinary Research. He was elected to the Australian Academy of Science in 2018.

Keynote Speakers

Daniel Burgarth

AFFILIATIONDepartment of Physics and Astronomy, Macquarie University, Australila

TOPIC

Dynamical decoupling and exponential decay

ABSTRACT

Dynamical decoupling is a common control technique to remove unwanted environmental interactions. The basic idea is to rotate the system actively such that environmental interactions average out. It is folk-knowledge that decoupling works only with environments which induce non-exponential decay, because such environments provide a time-scale on which they have a memory. Here we provide counterexamples to this conjecture.

Benjamin J. Eggleton

AFFILIATIONNano Institute (Sydney Nano), Institute of Photonics and Optical Science (IPOS); School of Physics, University of Sydney, NSW 2006 Australia

TOPIC

Brillouin integrated photonics: New platform for high performance microwave signal processing and sensing

ABSTRACT

Brillouin scattering is a coherent interaction between photons and acoustic phonons that takes place over a broad range of wavelengths and in a number of technologically important platforms. It is of major significance because it is a fundamental limit in lasers and optical communication systems, but it can also be the basis of a powerful tool for signal processing, sensing and fundamental studied. I will review our recent developments in harnessing Brillouin scattering in photonic circuits for applications in signal processing, sensing and microwave photonics and will conclude with a perspective for future platforms and opportunities for further fundamental and applied research.

Invited Speakers


0033 >>>0032 <<<<<

Invited Speakers

Cathy Foley

AFFILIATIONCommonwealth Scientific and Industrial Research Organisation, Australia

TOPIC

A roadmap to an australian quantum industry

ABSTRACT

There is a lot of research in Australia that is creating new concepts and potential products that use quantum phenomena to provide exciting applications and functionalities the surpass anything that is currently available [1]. From quantum computers, sensors and communications, the realisation of such deep and new technologies is also an opportunity for Australia. There are multinational companies such as Microsoft working on the complex quantum computer but there are also emerging start-ups such as Q-Control and Silicon Quantum Computer Co. There is also a recognition by the Australian Defence Forces that quantum technologies also have great potential. In February 2019, fifty people from across Australian met to discuss and consider what a quantum industry would mean for Australia and how we as researchers, could progress the ambition to see our research translate to creating such a new industry. It was decided that an Australian Quantum Industry Roadmap was needed. This talk will outline the plan and process to create this roadmap and provide an update and report on the workshop.

[1] T M Roberson and A G White, Charting the Australian quantum landscape, Quantum Sci. Technol. 4 (2019) 020505

Stefan Forstner

AFFILIATIONARC Centre of Excellence for Engineered Quantum Systems, School of Mathematics and Physics, University of Queensland, Queensland, Australia.

TOPIC

Quantum optomechanical sensing: From quantum magnetometry to precision on-chip ultrasound

ABSTRACT

It has been known for over a century that, in quantum physics, even the act of looking can have dramatic consequences. For instance, it kills the cat in Schrödinger’s famous thought experiment. However, it has proved extremely difficult to observe such effects in practice, except for the smallest atom-scale objects, let alone to use them as a tool to enhance technologies.

Over the past decade, however, advances in nanotechnology have allowed us to engineer devices which exhibit this distinctive quantum behavior. These “quantum optomechanical devices”consist of a nanoscale mechanical object –for example, a nanoparticle, molecule or cantilever –coupledto light via radiation pressure, often concentrated in a tiny optical cavity. In essence, they are miniature versions of the kilometer-scale interferometers that have enabled the extraordinary detection of gravitational waves from distant black hole collisions. Quite remarkably, they can allow measurements of mechanical motion at the sub-attometre level –more than a thousand times below the width of an atomic nucleus. At the fundamental level, this allows us to ask new questions of quantum physics for macroscopic systems consisting of trillions of atoms. For applications, it provides a pathway to future quantum technologies and precision optical sensors that far outperform the current state-of-the-art.

In this talk, I will provide an overview of quantum optomechanical sensing. I will focus on recent experiments in our laboratory which apply techniques from the field to enhance the performance of a magnetic field sensor using quantum squeezed light; to demonstrate ultrasound sensors with sensitivity that extends the state-of-the-art by orders-of-magnitude.


0035 >>>0034 <<<<<

Invited Speakers

Andre Luiten

AFFILIATIONInstitute for Photonics and Advanced Sensing (IPAS) and School of Physical Sciences, University of Adelaide, Adelaide, SA, Australia

TOPIC

Atom-loaded hollow core fibre as a platform for quantum technologies

ABSTRACT

Ultra-strong atom-light interaction is a critical resource for many applications in quantum information processing, sensing and measurement. To maximize the strength of the interaction, one must maximize the atom-light coherent interaction time, while simultaneously ensuring that there is a good match between the optical mode size and the atomic cross-section. For ensemble experiments, one wants to do this with the largest possible number of atoms at the same time.

One exciting platform for meeting these requirements is state-of-the-art hollow-core photonic-crystal fibre (HC-PCF). These fibres can be made extremely low-loss over large bands of the optical spectrum (500 nm - 1600 nm), with long interaction lengths (tens of centimetres) and tight transverse confinement (tens of micrometres), making them perfect platforms for quantum optics. We have demonstrated the ability to fill the central hole with both hot atomic vapours and cold atomic ensembles. In both case we can produce the large optical depths that are useful for quantum optics experiments. Here we will report on the development of quantum memories using both the cold and warm atoms: each of these approaches lends itself to a particular implementation.

Andy Martin

AFFILIATIONSchool of Physics, The University of Melbourne, Australia

TOPIC

Improved sensing of DC fields with rapidly rotating diamond quantum sensors

ABSTRACT

Quantum magnetometers based on nitrogen-vacancy (NV) centers are more sensitive to oscillating (ac) magnetic fields than static (dc) fields because crystal impurities induce an ensemble dephasing time T2* much shorter than the intrinsic spin coherence time T_2, which determines the sensitivity to ac fields. In this work, we demonstrate measurement of dc magnetic fields using a physically rotating ensemble of NV centers at a precision ultimately limited by T_2.The rotation of the diamond modulates the angle between the NV axis and the target magnetic field, upconverting the static magnetic field to an oscillating field in the physically rotating frame. Using spin-echo interferometry of the rotating NV centers, we are able to perform measurements for over 100 times longer compared to a conventional Ramsey experiment. With modifications, our scheme could realize dc sensitivities equivalent to demonstrated NV center ac magnetic field sensitivities of order 0.1nT rtHz. We have also explored a means of rotation sensing based on an effective phase that arises from the NV-microwave field coupling, which has several advantages over previously proposed NV-gyroscopes.


0037 >>>0036 <<<<<

Invited Speakers

Kavan Modi

AFFILIATIONSchool of Physics and Astronomy, Monash University, Australia

TOPIC

Quantum stochastic processes: A complete theory for non-Markovian quantum phenomena

ABSTRACT

In science, we often want to characterise dynamical processes to identify the underlying physics and predict the future states of the system. If the state of the system at any time depends only on the state of the system at the previous time-step and some predetermined rule then the dynamics are characterised with relative ease. For instance, the dynamics of quantum mechanical systems in isolation is described in this way. However, when a quantum system repeatedly interacts with an environment, the environment often ‘remembers’ information about the system’s past. This leads to non-Markovian processes, which depend nontrivially on the state of the system at all times during its evolution. Such dynamics are not, in general, easily characterised using conventional techniques. Indeed, since the early days of quantum mechanics it has been a challenge to describe non-Markovian processes. Here we will show, using operational tools from quantum information theory, how to fully characterise any non-Markovian process. Using this we give an unambiguous criterion for quantum Markov processes. Next, we construct a mapping from a multi-time process to a many-body state using linear (in the number of time steps) amount of bipartite entanglement. The many-body state can be measured to any desired precision, thus the process can be characterised to any desired precision. Finally, we will discuss some preliminary results exposing the non-Markovianity of the IBM five qubit computer.

Franco Nori

AFFILIATIONRIKEN, Saitama, Japan; Univ. of Michigan, Ann Arbor, USA.

TOPIC

Quantum Nonlinear Optics without Photons: How to excite two or more atoms simultaneously with a single photon, and other unusual properties of ultra-strongly-coupled QED systems

ABSTRACT

I.How to excite two or more atoms simultaneously with a single photon

We consider two separate atoms interacting with a single-mode optical or microwave resonator. When the frequency of the resonator field is twice the atomic transition frequency, we show that there exists a resonant coupling between one photon and two atoms, via intermediate virtual states connected by counter-rotating processes. If the resonator is prepared in its one-photon state, the photon can be jointly absorbed by the two atoms in their ground state which will both reach their excited state with a probability close to one. Like ordinary quantum Rabi oscillations, this process is coherent and reversible, so that two atoms in their excited state will undergo a downward transition jointly emitting a single cavity photon. This joint absorption and emission process can also occur with three atoms. The parameters used to investigate this process correspond to experimentally demonstrated values in circuit quantum electrodynamics systems.

II. Quantum nonlinear optics without photons

Spontaneous parametric down-conversion is a well-known process in quantum nonlinear optics in which a photon incident on a nonlinear crystal spontaneously splits into two photons. Here we propose an analogous physical process where one excited atom directly transfers its excitation to a pair of spatially separated atoms with probability approaching 1. The interaction is mediated by the exchange of virtual rather than real photons. This nonlinear atomic process is coherent and reversible, so the pair of excited atoms can transfer the excitation back to the first one: the atomic analog of sum-frequency generation of light. The parameters used to investigate this process correspond to experimentally demonstrated values in ultrastrong circuit quantum electrodynamics. This approach can be extended to realize other nonlinear interatomic processes, such as four-atom mixing, and is an attractive architecture for the realization of quantum devices on a chip. We show that four-qubit mixing can efficiently implement quantum repetition codes and, thus, can be used for error-correction codes.

A few recent references on this topic (ultra-strong coupling cavity QED) are freely available online at: http://dml.riken.jp/pub/Ultra-strong/


0039 >>>0038 <<<<<

Invited Speakers

Herschel Rabitz

AFFILIATIONDepartment of Chemistry, Princeton University, USA

TOPIC

Can quantum control transform a biologist’s dream into practice?

ABSTRACT

All complex man-made machines (e.g., airplanes, self-driving cars, etc.) are loaded with switches and sensors to either enable or alter their operational performance. Nature evolved organisms to be replete with switches and sensors in order to function normally. The biology community has adopted Nature’s ways in this regard, but aiming to take a further step. In particular, through genetic engineering techniques, it is now possible to make (express) optogenetic switches and biosensors in vivo where both are often large proteins containing a chromophore. Upon radiation with the appropriate characteristics, the chromophore typically changes structure, which alters the action of the protein to act either as a switch or sensor of biological activity. Thus, the biologist’s Dream is to implant high numbers of multiplexed switches and sensors throughout organisms to either learn about their natural functions or alter those functions. The operation of both biological switches and sensors can be viewed as control problems where the overall goal is multiplexed operation with many switches and/or sensors selectively under control. The underlying challenge is that the spectra of each chromophore, as being a portion of a protein, is almost featureless over a very broad bandwidth. Such spectra from distinct switches and/or sensors often also significantly overlap (i.e., crosstalk), creating a significant task for selective operation. We are investigating the prospect that appropriately shaped light fields may be utilized to overcome the spectral crosstalk problem by exploiting quantum mechanical constructive and destructive interference, thereby opening up the possibility of multiplexed operations. The basic concepts will be discussed along with the presentation of initial experimental studies.

Dr Benjamin Strycker / Prof Marlan O. Scully

AFFILIATIONTexas A&M University, USA

TOPIC

Quantum BioOptics

ABSTRACT

An overview will be given of cutting edge techniques and experiments developed at the Institute for Quantum Science and Engineering (IQSE) at Texas A&M University in the field of BioOptics using coherent, tip-enhanced, surface-enhanced, and spontaneous Raman spectroscopies.

Mankei Tsang

AFFILIATIONDepartment of Electrical and Computer Engineering, National University of Singapore, Singapore

TOPIC

Resolving Starlight: a Quantum Perspective

ABSTRACT

The wave-particle duality of light introduces two fundamental problems to imaging: the diffraction limit and the photon shot noise. Quantum information theory can tackle them both with one holistic formalism: model the light as a quantum object, consider any quantum measurement, and pick the one that gives the best statistics. While Helstrom pioneered the theory half a century ago and first applied it to incoherent imaging, it was not until recently that the approach offered genuine surprises on the age-old topic by predicting a new class of superior imaging methods. For the resolution of two sub-Rayleigh sources, the new methods have been shown theoretically and experimentally to outperform direct imaging and approach the true quantum limits. Recent efforts to generalize the theory for arbitrary sources suggest that, despite the existence of harsh quantum limits, the quantum-inspired methods can still offer significant improvements over direct imaging, potentially benefiting many applications in astronomy as well as fluorescence microscopy.


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Invited Speakers

Howard Wiseman

AFFILIATIONARC Centre of Excellence for Quantum Computation and Communication Technology, Griffith University, Australia

TOPIC

The Heisenberg limit for laser coherence

ABSTRACT

To quantify quantum optical coherence requires both the particle- and wave-natures of light. For an ideal laser beam, it can be thought of roughly as the number of photons emitted consecutively into the beam with the same phase. This number, C, can be much larger than μ, the number of photons in the laser itself. The limit on C for an ideal laser was thought to be of order μ2. Here, assuming nothing about the laser operation, only that it produces a beam with properties close to those of an ideal laser beam, and that it does not have external sources or stores of coherence, we derive an upper bound: C = O(μ4). Moreover, using the matrix product states method, we find a model that achieves this scaling. Thus C = O(μ2) is only a standard quantum limit; the ultimate quantum limit, or Heisenberg limit, is quadratically better.

Rebing Wu

AFFILIATIONDepartment of Automation,Tsinghua University, China

TOPIC

Quantum learning control – good solutions from “bad” models

ABSTRACT

In the quest to achieve scalable quantum information processing technologies, gradient-based optimal control algorithms (e.g., GRAPE) are broadly used for implementing high-precision quantum gates, but their performance is often hindered by deterministic or random errors in the system model and the control electronics. In this talk, we show that GRAPE can be taught to be smarter by learning from the data and/or from an imperfect model, and propose a series of gradient-based algorithms, deterministic or stochastic, for designing both robust and high-precision quantum control.


0043 >>>0042 <<<<<

Invited Speaker

Guo-Yong Xiang

AFFILIATIONProfessor Guo-Yong Xiang, CAS Key Laboratory of Quantum Information, University of Science and Technology of China, China

TOPIC

Quantum controlled optimal multi-parameter estimation

ABSTRACT

One of the main driving force for science and technology is to identify the highest achievable measurement precision, which is fundamentally limited by the Hersenberg’s uncertainty relation. For single-parameter quantum estimation, previous theoretical and experimental studies have shown this fundamental limit can be achievable. However, for many practical applications multi-parameter estimation, such as microscopy and imaging there are typically multiple parameters. Simultaneously achieving the highest precisions for multiple parameters is fundamentally equivalent to saturate the minimum uncertainty of multiple Heisenberg’s uncertainty relations.

It is widely believed that these uncertainty relations cannot be saturated simultaneously as some tradeoffs have to be made among the precisions of different parameters. Contrary to this general belief, we experimentally demonstrate that such tradeoffs can actually be counteracted by optimally designed controls. In particular we experimentally achieve the highest precision for all three parameters in SU(2), which is 18.5 dB over the shot-noise limit with the use of eight controls. Our experiment marks a crucial step towards achieving the ultimate precision of multi-parameter quantum estimation, which can have wide applications in magnetometry, quantum gyroscope, quantum reference frame alignment.

Naoki Yamamoto

AFFILIATIONKeio Quantum Computing Centre, Keio University, Japan

TOPIC

Quantum active filtering and application to broadband gravitational-wave detection

ABSTRACT

Feedback amplification (i.e., op-amp scheme) is a key technique for synthesizing various important functionalities especially in electronic circuits. Active filter is one such useful functionality. In this talk, I will present a quantum version of this method, where the so-called phase-insensitive amplifier and coherent (i.e., measurement-free) feedback are employed. Then I will show that this quantum active filter can be applied to enhance the bandwidth of the gravitational-wave detector.


0045 >>>0044 <<<<<

Poster 1.Quench dynamics in a trapped Bose-Einstein condensate with spin-orbit coupling

Yongsheng Zhang University of Science and Technology of China, China

Poster 2.Polarization-independent conversion from time-bin qubit to path qubit

Jun-Feng TangUniversity of Science and Technology of China, China

Poster 3.Experimental verification of anisotropic invariance for three-qubit states

Jie ZhuUniversity of Science and Technology of China, China

Poster 4.Quantum-inspired fault detection for robots

Ian D WalkerClemson University, USA

Poster 5.Quantum hamiltonian identifiability via a similarity transformation approach

Yuanlong WangUniversity of New South Wales, Australia

Posters

Poster 6. The quantum revolution in the International System of units (SI)

Ian LittlerNational Measurement Institute, Australia

Poster 7.Quantum state smoothing: types of observed and unobserved measurements matter

Areeya ChantasriGriffith University, Australia

Poster 8.Lyapunov-based feedback control for quantum stochastic systems with time delay

Yanan LiuUniversity of New South Wales, Australia

Poster 9.Hybrid quantum filtering for a class of quantum systems

Qi YuUniversity of New South Wales, Australia

Poster 10.Strong coherent excitation of a single (_171)yb+ ion by ultrafast π-pulses

Kenji ShimizuGriffith University, Australia


0047 >>>0046 <<<<<

Poster 11.Universal quantum computing platform with time-domain multiplexed two-dimensional cluster states

Warit AsavanantThe University of Tokyo, Japan

Poster 12. Stability analysis of optical coherent feedback squeezer

Shota YokoyamaUniversity of New South Wales, Australia

Poster 13.Noise spectroscopy beyond frequency domain

Behnam TonekaboniGriffith University, Australia

Poster 14. Hamiltonian formulation of Hadamard matrix searching problem on a two-body interacting quantum annealing machine

Andriyan Bayu SuksmonoInstitut Teknologi Bandung, Indonesia

Poster 15.Nonstationary optomechanical force sensing beyond the quantum limit

Diego N. Bernal-GarcíaUniversity of New South Wales, Australia

Posters

Poster 16.Spectroscopy of rare earth crystals for microwave-optical conversion

Matt BerringtonAustralian National University, Australia

Poster 17.Quantum processing with rare-earth ensembles in EuCl36D2O

Matthew J. PearceAustralian National University, Australia

Poster 18.Single rare-earth ions as atomic-scale probes in ultra-scaled transistors

Qi ZhangUniversity of Science and Technology of China, China

Poster 19.Test of quantum nonlocality and entanglement-based metrology with an ultracold atomic scattering halo

David K. ShinAustralian National University, Australia

Poster 20. A satellite-based quantum network

Kate FergusonAustralian National University, Australia


0049 >>>0048 <<<<<

Poster 21.A quantum memory at 1550 nm, in Erbium

James S. StuartAustralian National University, Australia

Poster 22.Photonic chip-based quantum memories of Er:Y2SiO5

Adam PamplinAustralian National University, Australia

Poster 23.Quantum communication via thermal networks

Ze-Liang XiangSun Yat-sen University, China

Poster 24.Cluster state constructions of holographic codes

Nathan A. McMahonUniversity of Queensland, Australia

Poster 25.Bayesian estimation of switching rates for blinking quantum emitters

Jemy GeordyMacquarie University, Australia

Posters Notes


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1st Quantum Science, Engineering and Technology

Conference (qSET 2019)Venue:

BLD 32 UNSW Canberra

www.unsw.adfa.edu.au

UNSW Canberra at the Australian Defence Force AcademyNorthcott Drive, Canberra ACT 2600

+61 2 6268 8112

[email protected]

316723773CRICOS No. 00098G

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