J.M. (Jimmy) Xu

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Curriculum VitaeJ.M. (Jimmy) Xu
Charles C. Tillinghast Jr. ’32 University Professor Professor of Engineering and Professor of Physics
Brown University Providence, Rhode Island 02912
Cell: 401-714-7132; Tel 401-863-1439; Fax 401-863-9107; [email protected]
_____________________________________________________________________ 3. Degrees: Ph.D, Electrical Engineering, University of Minnesota 1987 M.Sc, Physics, Drexel University 1984 (Bypassed B.Sc. degree) _____________________________________________________________________ 4. Appointments
“Charles C. Tillinghast Jr. 1932 University Professor”, Engineering and Physics, Brown University, 1999 - (One of the Endowed-Chair Professorships of Brown University)
Director, Nortel Institute for Telecommunications, University of Toronto, 1997-99 James Ham Chair Professor of Optoelectronics, Electrical Engineering, University of Toronto,
1993-1999 James Ham Junior Chair & Assoc. Professor, Electrical Eng., University of Toronto, 1990-93 Assist. Professor and NSERC Junior Chair Electrical Engineering, University of Toronto, 1987-90
5. Awards/Honors/Services:
• Fellow: AAAS, APS, IEEE, InstP (UK), Guggenheim, • Steacie Prize of Canada, 1995, (An annual award to one scientist or engineer under 40 for
outstanding achievements in the fields of Science and Engineering) • Award of Professional Excellence, Canadian-Chinese Professional Association, 1998 • Conference Board of Canada - NSERC Awards for "Best Practices in University-Industry R&D",
1998 on behalf of Nortel Institute; and 1995, as individual, 2nd Place (Honorable Mention). • James M. Ham Chair Professor in Optoelectronics (University of Toronto, endowed by Northern
Telecom Ltd., Bell - Northern Research Ltd. and NSERC), 1992-97 • Nortel Chair Professor of Emerging Technologies, University of Toronto, 1997-99 • Senior Fellow, Massy College, University of Toronto, 1998 • NASA Distinguished Visiting Scientist, Office of NASA JPL’s Chief Scientist, 2000-02 • NASA Tech Brief Award for NTR no 30207, “Waveguide-Embedded Carbon Nanotube Array RF
Filter and RF Filter Bank” by B. Hunt, M. Honek, F. Noca, and J.M. Xu. • Distinguished Visiting Professor, POSTECH, Korea, Summer, 2003 • Charles C. Tillinghast University Professor, Brown University, 2005-present • Guggenheim Fellow, 2005 (one of the four in the fields of engineering) • World-Class University Professor (visiting), 2008-13, Seoul National University • Professeur Invite’, 2014-16, CNRS-IEMN&Universite de Lille, France • Chang-Jiang Chair Professor (visiting), 2015-17, 18-20, UESTC, China • Albert Nelson Marquis Lifetime Achievement Award, USA, 2018 • • Editorial Board member: IoP, J. of Physics D, UK, 2003-05; Editor (compound semiconductor),
IEEE Transactions on Electron Devices, 1992-1997; Executive Editor, Springer Nano Convergence 2018-
• Advisory Board Member: IMS of NRC Canada (Three consegetive 3-year terms 1998-2009); Brown U, Provost Search; Brown U VP-research; Brown U VP-intl affairs; Brown U Academic Priorities (Academic programs), Brown University Resources; Nortel Networks Inc., Nortel Technologies Inc., Bell-Northern Research Ltd., Cebra Ltd, LightCross Ltd., Altamira Funds,
Bessemer Venture Capital, Matrix Partners; Foreign Associate, Canadian Institute of Advanced Research, 1999-2004; CNTY Group 2013-
• Selected as one of the 24 Successes of AFRL research program in 2008(“AFRL NanoScience Technologies”, pp.29, 24 Nov 2008)
• Co-Chair, Future Trends in Microelectronics, (formerly a NATO ARW), 1995-2015 • Co-Editor, Future Trends in Microelectronics, Wiley, 1995-2015 • Advisor to the LED and Photonics programs, Ministry of Industry and Trade, Korea • Reviewer for founding agencies in US, Korea, Germany, Norway, Ireland, Canada, China.
Refereed Journal Publications (~280 refereed journal papers; ~290 invited talks/keynotes; ~200 conference proceedings; ~24 patents): 10 representative publications in selected areas
1. D. Routkevitch, T. Bigioni, M. Moskovits, and J.M. Xu; "Electrochemical Fabrication of CdS Nano-Wire Arrays in Porous Anodic Aluminum Oxide Templates”; Vol. 100(33), 14037-14047, J. Phys. Chem., 1996.
2. J. Li, C. Papadopoulos, and J.M. Xu, “Growing Y-junction carbon nanotubes”, Nature 402, 253-254 (2000) ( 1st report on growing structured carbon nanotubes).
3. J. Li, C. Papadopoulos, and J. M. Xu, “Highly-ordered carbon nanotube arrays for electronics applications,” Appl. Phys. Lett. 75, 367-369 (1999)
4. A. Rakitin, Aich, P., Papadopoulos, C., Kobzar, Yu., Vedeneev, A.S., Lee, J.S., J.M. Xu, “Metallic conduction through engineered DNA: DNA nanoelectronic building block”, Phys. Rev. Lett., 86(16), 3670-3673, 2001.
5. A.J. Yin, J. Li, W. Jian, A.J. Bennett, J.M. Xu, “Fabrication of Highly Ordered Metallic Nanowire Arrays by Electrodeposition”, Appl. Phys. Lett., 79(7), 1039-1041, 2001
6. S. Cloutier, P. Kossyrev, and J.M. Xu, “Optical gain and stimulated emission in periodic nanopatterned crystalline silicon”, Nature Materials, 4, 887-891 (2005) (1st demonstration of stimulated emission in crystalline silicon patterned with nanopore arrays).
7. Z. Xia, L. Riester, W. A. Curtin, B. W. Sheldon, J.Y. Liang, B.H. Chang and J. M. Xu, “Direct observation of toughening mechanisms in carbon-nanotube ceramic matrix composites” Acta Materialia, 52, 931-944, 2004.
8. H. Chik, J. Liang, S. G. Cloutier, N. Kouklin, and J. M. Xu, “Periodic array of uniform ZnO nanorods by second-order self-assembly” Appl. Phys. Lett. 84, 3376-3378, (2004)
9. M. Steward, A.J. Yin, J.M. Xu, and J. Valles, “Superconducting Pair Correlations in an Amorphous Insulating Nano-Honeycomb Film”, Science, 318, 1273-1275 (2007) (This work was cited as one of ‘Ten Top Physics Stories of 2007” in the year-end issue of AIP Bulletin of Physics News, 850 #1, Dec. 13, 2007).
10. C.-H. Hsu, S. Cloutier, S. Palefsky, and J. Xu, “Synthesis of diamond nanowires using atmospheric-pressure chemical vapor deposition”, Nano Lett. 10, 3272-3276 (2010) (an accidental discovery of crystalline diamond nanowire formed in CVD synthesis under atmosphere pressure).
5. (a) Books/Monographs
1. S. Luryi, J. M. Xu, and A. Zaslavsky, eds., Future Trends in Microelectronics: Reflections on the Road to Nanotechnology, NATO ASI Series E Vol. 323, Dordrecht, Kluwer Academic, 1996.
2. S. Luryi, J. M. Xu, and A. Zaslavsky, eds., Future Trends in Microelectronics: The Road Ahead, New York: Wiley Interscience, 1999.
3. Y.S. Park, S. Luryi, M.S. Shur, J.M. Xu and A. Zaslavsky, “Frontiers in Electronics: From Materials to Systems”, World Scientific, Singapore, 2000.
4. S. Luryi, J. M. Xu, and A. Zaslavsky, eds., Future Trends in Microelectronics: The Nano Millennium, New York: Wiley Interscience/IEEE Press, 2002.
5. S. Luryi, J. M. Xu, and A. Zaslavsky, eds., Future Trends in Microelectronics: The Nano, The Giga, and The Ultra, New York: Wiley Interscience/IEEE Press, 2004.
6. S. Luryi, J. M. Xu, and A. Zaslavsky, eds., Future Trends in Microelectronics: Up the Nano Creek, New York: Wiley Interscience/IEEE Press, 2007.
7. S. Luryi, J.M. Xu, and A. Zaslavsky, eds., Future Trends in Microelectronics: From Nanophotonics to Sensors and Energy, New York, Wiley, 2010
8. S. Luryi, J.M. Xu, and A. Zaslavsky, eds. Future Trends in Microelectronics – Frontiers and Innovations, New York, Wiley, 2013
9. S. Luryi, J.M. Xu, and A. Zaslavsky, eds. Future Trends in Microelectronics – into the unknowns, New York, Wiley, 2016
5. (b) Chapters in books:
1. E.H. Sargent and J.M. Xu, “Tunnel Devices”, Wiley Encyclopedia, Vol.22, ed. John Webster, 1999.
2. E.H. Sargent and J.M. Xu, “Lateral Injection Lasers”, in “Advances in Semiconductor Lasers and Applications to Optoelectroncis”, World Scientific, Singapore, eds. M. Dutta and M. Stroscio, 2000.
3. J.M. Xu, “Carbon Nanotube Engineering and Physics”, Artech House, ed. T. Steiner. 5. (c) Publications in Refereed Journals and Refereed Series
11. Y.S. Ling, M. Zhang, J.M. Xu, M. Vallierses, R. Gilmore and D.H. Feng, "The Multi-J
Nuclear Dynamical Supersymmetry U(6/20)", Physics Lett. 148b(1-3), 13-19, 1984. 12. J.M. Xu and M. Shur, "A Tunneling Emitter Bipolar Transistor", IEEE Electron Device
Lett., EDL-7(7), 416-418, 1986. 13. J.M. Xu, B.A. Bernhart, M. Shur, C.H. Chen, and A. Peczalski, "Electron Mobility and
Velocity in Compensated GaAs", Appl. Physics Lett., 49(6), 342-344, 1986. 14. Van der Ziel, J.B. Anderson, A.M. Birbas, W.C. Chen, P. Fang, J.M. Xu, "Shot Noise in
Solid State Diodes", Solid State Electronics, 29(10), 1069-1071, 1986. 15. D.K. Arch, J.K. Abrokwah, P.J. Vold, A.M. Fraasch, R.R. Daniels, M. Shur and J.M. Xu,
"Modulation Doped Field-Effect Transistors Utilizing Superlattice Charge Control Layers", IEEE Trans. Electron Device, ED-33(11), 1986.
16. J.M. Xu and M. Shur, "Velocity-Field Characteristics with Two Maxima in Compensated GaAs", Physics Review B., 36(2), 1352-1354, 1987.
17. J.M. Xu and M. Shur, "Ballistic Transport in Hot Electron Transistors", J. Appl. Physics, 62(9), 3816-3820, 1987.
18. J.M. Xu, M. Shur and M. Hack, "Amplification of Bipolar Current Flow by Charge Induced from an Insulated Gate Electrode", J. Appl. Physics, 62(3), 1108-1111, 1987.
19. J.M. Xu and M. Shur, "Velocity-Field Dependence in GaAs", IEEE Trans. on Electron Devices, ED-34(8), 1831-1832, 1987.
20. M. Sweeny, J.M. Xu and M. Shur, "Hole Subbands in One-Dimensional Quantum Well Wires", J. of Superlattice and Microstructures, 4(4/5), 623-626, 1988.
21. J. Zou, J.M. Xu and M. Sweeny, "Effects of Asymmetric Barriers on Resonant Tunneling Current", J. of Semiconductor Sci. And Tech., 3(8), 819-822, 1988.
22. J.M. Xu and M. Shur, "Temperature Dependence of Electron Mobility and Peak Velocity in Compensated GaAs", Appl. Physics Lett., 52(11), 922-924, 1988.
23. J.M. Xu and M. Shur, "Double Base Hot Electron Transistors", J. of Superlattice and Microstructures, 4(3), 329-332, 1988.
24. J.M. Xu and M. Shur, "Double Ridley-Watkins-Hilsum-Gunn Effect in Compensated GaAs", Solid State Electronics, 31(3/4), 607-610, 1988.
25. Y. Okada, J.M. Xu, H.C. Liu, D. Landheer, M. Buchanan and D.C. Houghton, "Noise Characteristics of a Si/SiGe Resonant Tunneling Diode", Solid State Electronics, 32(9),797-800, 1989.
26. C.C. Zhu, J.H. Liu and J.M. Xu, "Optical Activation of Capacitance of MPNIM Structures", C. J. of Semiconductors, 10(6), 419-425, 1989.
27. M. Sweeny and J.M. Xu, "On Photon-Assisted Tunneling in Quantum Well Structures", IEEE Quantum Electronics, 25(5), 885-888, 1989.
28. M. Sweeny and J.M. Xu, "Resonant Interband Tunnel Diodes", Appl. Physics Lett., 54(6) 546-548, 1989.
29. C.C. Sun and J.M Xu, "The Stepped-Gate-Oxide Structure - A New Approach For Speed Enhancement in the Gate-Controlled Photodetectors", Appl. Physics Lett., 54(14), 1335- 1337, 1989.
30. C.C. Sun and J.M. Xu, "Observation of Capacitive Modulation of Bipolar Current In Poly- Si Gated Lateral PIN Structures", Appl. Physics Lett., 54(19), 1875-1877, 1989.
31. M. Sweeny and J.M. Xu, "Hole Energy Levels in Zero-Dimensional Quantum Balls", Solid State Comm. 72(3), 301-304, 1989.
32. Y. Okada, J.M. Xu, D.J. Day, H.C. Liu, M. Buchanan, D. Landheer, and R.L.S. Devine, "Noise Characteristics of An AlAs/InGaAs Resonant Tunneling Diode", Solid State Electronics, 1990.
33. C.C. Sun and J.M. Xu, "An Experimental Investigation of the Transverse Field in CCD", J.Optical and Quantum Electronics, 22, 55-63, 1990.
34. C.M. Tan, J.M. Xu and S. Zukotynski, "Study of Resonant Tunneling Structures: A Hybrid Incremental Airy Function-Plane Wave Approach", J. Appl. Physics, 67(6), 3011- 3017, 1990.
35. P.M. Smith, D.R. Conn and J.M. Xu, "The Limits of Resonant Tunneling Diode- Subharmonic Mixer Performance", J. Appl. Physics, 66(3), 1454-1458, 1990.
36. D.S. Malhi, J.M. Xu, F. Hegmann, B. Takasaki and R. Surridge, "Effects of Material Modification on Dark Current of GaAs MSM Detectors", Semi-Insulating III-V Materials, Eds. Milnes and Miner, Ch.5, 451-456, Adam Hilger, Bristol, 1990.
37. D.J. Day, Y. Chung, C. Webb, J.N. Eckstein, J.M. Xu and M. Sweeny, "Double Quantum Well Resonant Tunnel Diodes", Appl. Physics Lett., 57 (12), 1260-1261, 1990.
38. Q.M. Zhang, G.L. Tan, J.M. Xu, and D.J. Day, "Current Gain and Transit Time Effects in HBT's with Graded Emitter and Base Regions", IEEE Electron Device Lett., 11(11), 508- 510, 1990.
39. C.C. Sun, J.M. Xu, A. Hagley, R. Surridge and A. SpringThorpe, "Electron Mobility Measurement in Short-Channel FET's Using the Cutoff Frequency Method", IEEE Electron Device Lett., 11(9), 382-384, 1990.
40. C.C. Sun, J.M. Xu, A. Hagley, R. Surridge and A. SpringThorpe, "Measurement of Source and Drain Series Resistances of HIGFETs Using a Bias-Scan Method", Solid State Electronics, 33 (10), 1279-1282, 1990.
41. C.C. Sun, J.M. Xu, A. Hagley, R. Surridge and A. SpringThorpe, "Observation of Electron Velocity Overshoot in AlxGa1-xAs/GaAs Heterostructure Insulated Gate Field-Effect Transistors", Appl. Physics Lett., 57(6), 566-568, 1990
42. D.J. Day, Y. Chung, C. Webb, J.N. Eckstein, J.M. Xu and M. Sweeny, "Heterostructure p- n Junction Tunnel Diodes", Appl. Physics Lett., 57 (11), 1140-1142, 1990.
43. Z.Y. Zhao, Q.M. Zhang, G.L. Tan and J.M. Xu, "A New Preconditioner for CGS Iteration in Solving Large Sparse Nonsymmetric Linear Equations in Semiconductor Device Simulation", IEEE Trans. on CAD, 10(11), 1432-1440, 1991.
44. C.M. Tan and J.M. Xu, "Assessment of the Performance Potential of Quantum Resonant Tunneling Structure Under Current Density Constraint", Intl. J. Electronics 70(4), 703- 712, 1991.
45. R.Q. Yang, and J.M. Xu, "Energy Dependent Electron Wave Coupling Between Two Asymmetric Quantum Well Waveguides", Appl. Phys. Lett., 59(3), 1-3, 1991.
46. R.Q. Yang and J.M. Xu, "Population Inversion Through Resonant Interband Tunneling", Appl. Phys. Lett., 59(2), 181-182, 1991.
47. G.L. Tan, Q.M. Zhang and J.M. Xu, "Computation of Field and Charge Transport in Compound Semiconductor Devices - Some New Features and Methods", IEEE Trans. on Magnetics, 27(5), 4158-4161, 1991.
48. S.G. Zhou, M. Sweeny, J.M. Xu and O. Berolo, "Chaotic Behavior of Quantum Resonant Tunneling Diodes", Physica D, 52, 544-550, 1991.
49. R.Q. Yang, M. Sweeny, D. Day and J.M. Xu, "Interband Tunneling In Heterostructure Tunnel Diodes", IEEE Trans. on Electron Devices, 38(3), 442-446, 1991.
50. R.Q. Yang and J.M. Xu, "Analysis of Guided Electron Waves in Coupled Quantum Wells", Phys. Rev. B, 43(2), 1699-1706, 1991.
51. J.M. Xu, T.J. Moore, M. Sweeny, "Characteristics of Displaced PN- and Hetero- Junctions", Solid State Electronics, 34(4), 423-425, 1991.
52. W.A. Hagley, D.J. Day, D.S. Malhi and J.M. Xu, "High Speed Noise Immune AlGaAs/GaAs HBT Logic for Static Memory Application", IEEE Trans. on Electron Devices, 38(4), 932-934, 1991.
53. Wu, C. Rolland, N. Puetz, R. Bruce, K.D. Chik, and J.M. Xu "A Vertically Coupled InGaAsP/InP Directional Coupler Filter of UltraNarrow Bandwidth", IEEE Photonics Tech. Lett., 3(6), 519-521, 1991.
54. J.M. Xu, "On Inter-Subband Population Inversion in Quantum Wells", Excitations in Superlattices ad Multi-Quantum Wells, Eds. M. Cottam and M. Singh, Springer Series in Physics, Springer-Verlag, Berlin, 1992.
55. Q.M. Zhang, K. Lee, G.L. Tan and J.M. Xu, "Analysis of the Emitter-Down Configuration of Double Heterojunction Bipolar Transistors", IEEE Trans. on Elec. Dev., 39(10), 2220- 2228, 1992.
56. Q.M. Zhang, G.L. Tan, W.T. Moore and J.M. Xu, "Effects of Displaced P-N Junction on Heterojunction Bipolar Transistors", IEEE Trans. on Elec. Dev., 39(11), 2430-2437, 1992.
57. R.Q. Yang and J.M. Xu, "Bound and Quasi-Bound States in 'Leaky' Quantum Well", Phys. Rev. B., 46(11), 6969-6974, 1992.
58. Z.-M. Li, D. Landheer, M. Veilleux, D.R. Conn, R. Surridge, J.M. Xu and R.I. McDonald, "Analysis of a Resonant-Cavity Enhanced GaAs/AlGaAs MSM Photodetector", IEEE Photonics Tech. Lett., 4(5), 473-476, 1992.
59. J.M. Xu, A.G. MacDonald, L.V. Iogansen, D.J. Day and M. Sweeny, "Study of Peak and Valley Currents in Double Quantum Well Resonant Interband Tunnel Diodes", J. Semicond. Sci. and Technol., 7, 1097-1102, 1992.
60. J.M. Xu, R. Mand, A. SpringThorpe and K.D. Chik, "Demonstration of Quantum Well Gate-Controlled Photodetector Switch", Electronics Lett. 28(5), 501-503, 1992.
61. A.G. MacDonald, L.V. Iogansen, M. Sweeny, D.J. Day, and J.M. Xu, "Quantum Well Width Dependence of Interband Tunneling Currents", IEEE Elec. Dev. Lett., 13(3), 155- 157, 1992.
62. R.Q. Yang and J.M. Xu, "Self-Focusing and Coupling of Electron Waves in Effective Mass Waveguides", Solid State Comm., 81(1), 31-34, 1992.
63. R.Q. Yang and J.M. Xu, "A Calculation of the Center Wavelength in Waveguide Directional Couplers", Optics Communications, vol. 94, 71-75, 1992.
64. V. Minier, A. Kévorkian, and J.M. Xu, "Diffraction Characteristics of Superimposed Holographic Gratings in Planar Optical Waveguides", IEEE Photonics Tech. Lett., 4(10), 1115-1118, 1992.
65. R.Q. Yang and J.M. Xu, "Analysis of Transmission in Ploytype Interband Tunneling Heterostructures", J. of Appl. Phys., 72(10), 4714-4726, 1992.
66. G.L. Tan, N. Bewtra, K. Lee, and J.M. Xu, "A Two-Dimensional Non-Isothermal Finite- Element Simulation of Laser Diodes", IEEE J. of Quantum Electronics, 29(3), 822-835, 1993.
67. G.L. Tan, K. Lee, and J.M. Xu, "Finite-Element Light-Emitter Simulator (FELES): A New 2D Software Design Tool for Optoelectronic Devices", Jpn. J. of Appl. Phys., 32(1B), Part 1, 583-589, 1993.
68. R.Q. Yang and J.M. Xu, "'Leaky' Quantum Wells: A Basic Theory & Applications", Can J. Phys., 70, 1153-1158, 1993.
69. D.J. Day, R.Q. Yang, J. Lu, and J.M. Xu, "Investigation of The Influence of The Barrier Thickness in Double-Well Resonant Tunnel Diodes", Can. J. Phys., 70, 1013-1016, 1993.
70. C.Y. Wu, C.Z. Guo, and J.M. Xu, "Microwave-Assisted High Speed Modulation of Semiconductor Lasers", Can. J. of Physics, 70, 1057-1063, 1993.
71. C.M. Tan, J.M. Xu, and S. Zukotynski, "Electronic Properties of n-i-n-i Doping Superlattices", J. of Appl. Phys., 73(6), 2921-2933, 1993.
72. J.M. Xu, V.V. Malov and L.V. Iogansen, "Comparison of Resonant Tunneling in a Double-Quantum-Well Three-Barrier System and A Single-Quantum-Well Double- Barrier System", Physical Review B15, vol. 47(12), 7253-7259, 1993.
73. V. Minier and J.M. Xu, "Coupled-Mode Analysis of Superimposed Phase Grating Guided- Wave Structures and Inter-Grating Coupling Effects", Optical Engineering, vol. 32(9), 2054-2063, 1993.
74. G.L. Tan, J.M. Xu, and M.S. Shur, (Invited ) "A GaAs/AlGaAs Double-Heterojunction Lateral PIN Ridge Waveguide Laser", Optical Engineering,vol. 32(9), 2042-2045, Sept. 1993.
75. V. Minier, A, Kévorkian and J.M. Xu, "Superimposed Phase Gratings in Planar Optical Waveguides for Wavelength Demultiplexing Applications", IEEE Photonics Tech. Lett., 5(3), 330-333, 1993.
76. E. Abbott, M. Lee, R. Mand, M. Sweeny, and J.M. Xu, "A Quantum Gate Current Model", IEEE Transactions on Electron Devices, 40(5) 1022-1024, 1993.
77. J. Lu, R. Surridge, G. Paulski, H. van Driel, and J.M. Xu., "Studies of High Speed Metal- Semiconductor-Metal Photodetector with a GaAs/AlGaAs Heterostructure", IEEE Trans. Elec. Dev., 40(6), 1087-1092, 1993.
78. Chi Wu, C. Rolland, F. Shepherd, C. Laroque, N. Puetz, K.D. Chik, and J.M. Xu, "InGaAsP/InP Vertical Directional Coupler Filter with Optimally Designed Wavelength Tunability", IEEE Photonics Tech. Lett., 5(4), 457-459, 1993.
79. A.I. Akhtar, C.-Z. Guo, and J.M. Xu, "Effect of Well-Coupling on the Optical Gain of Multi-Quantum Well Lasers", J. Appl. Phys., 73(9), 4579-4585, 1993.
80. D.J. Day, R.Q. Yang, J. Lu, and J.M. Xu, "Experimental Demonstration of Resonant Interband Tunnel Diode With Room Temperature Peak-to-Valley Ratio Over 100", J. of Appl. Phys., Vol. 73(3), 1542-1544, 1993.
81. L.V. Iogansen, V. Malov, and J.M. Xu, "Time Dependent Theory of Double-Quantum Well Interband Tunneling Transistor", Semicond. Sci. & Technol., 8(4), 568-574, 1993.
82. J. Hu, Q.M. Zhang, R.K. Surridge, J.M. Xu, and D. Pavlidis, "A New Emitter Design of InGaP/GaAs HBT's for High Frequency Applications", IEEE Electron Device Letters, 14(12), 563-565, 1993.
83. J.M. Xu, "Effects of Coupling on Inter-Subband Transitions", in Quantum Well Inter- subband Transition Physics and Devices, eds. H.C. Liu, B.F. Levine and J.Y. Anderson, Kluwer Academic, pp. 379-388, 1994.
84. R.Q. Yang, J.M. Xu, and H.C. Liu,"Effect of Nonparabolicity on the Lifetime Limited Frequency in Resonant Tunneling Diodes", J. Superlattice and Microstructures, Vol.14 (2/3), 195-198, 1994.
85. J. Guthrie, G.L. Tan, M. Irikawa, R.S. Mand, J.M. Xu, "Beam Instability of 980nm Power Laser: Experiment and Theory", IEEE Photonic Tech. Lett., 6(12), 1409-1411, 1994.
86. R.Q. Yang, J.M. Xu and M. Sweeny, "Selection Rules of Intersubband Transitions in Conduction Band Quantum Wells", Phys. Rev. B., 50(11), 7474-7482, 1994.
87. A.I. Akhtar and J.M. Xu, "Differential Gain in Coupled Quantum Well Lasers", J. Appl. Phys., 78(5), 2962-2969, 1995.
88. D.A. Suda, H. Lu, T. Makino, and J.M. Xu, "An Investigation of Lateral Current Injection Laser Internal Operation Mechanisms", IEEE Photonic Tech. Lett., 7(10), 1122-1124, 1995.
89. M.L. Xu, G.L. Tan, J.M. Xu, M. Ohkubo, T. Fukushima, M. Irikawa, R.S. Mand, "Ultra High Differential Gain In GaInAs/AlGaInAs Quantum-Wells: Experiment and Modeling", IEEE Photonic Techn. Lett., 7(9), 947-949, 1995.
90. N. Bewtra, D.A. Suda, G.L. Tan, F. Chatenoud, and J.M. Xu, "Modeling of Quantum Well Lasers with Electro-Opto-Thermal Interaction", IEEE J. Sel. Topics in Quantum Electronics, 1(2), 331-340, 1995.
91. H. Anis, T. Makino, and J.M. Xu, "Mirror Effects on Dynamic Response of Surface Emitting Lasers", IEEE Photonic Tech. Lett., 7(3), 232-234, 1995.
92. A.A. Tager, M. Lu, M. Moskovits, and J.M. Xu, "SET Induced Spontaneous Charge Polarization in Coupled Nanowire Double-Junction Systems", Phys. Low-Dim. Struct., 12, 149-154, 1995.
93. M. Fakhraie, J.M. Xu, K.C. Smith, "Analog Quadratic Neural Networks (AQNNs)", accepted to IEEE Trans. on Neural Networks, Feb.20, 1996.
94. R.L Hyde, D. Barbier, A. Kevorkian, J-M. P. Delavaux, J. Bismuth, A. Othonos, M. Sweeny, and J.M. Xu, "Optical Amplification, Lasing and Wavelength Division…