SRINIVASA INSTITUTE OF ENGINEERING AND TECHNOLOGY

DEPARTMENT OF ELECTRICAL &ELECTRONICS ENGINEERINGOPTICAL COMMUNICATION LESSON PLAN

Branch: ECE Year & Sem: IV-I

Faculty: AKHIL DUTT TERA , Assistant Professor Date: 10-07-2015

S.NoUnitNo. Topics To Be Covered

No.ofPeriods

Required

Class work date

I

Unit Name: OVERVIEW OF OPTICAL FIBER COMMUNICATION

1. Historical development, The general system, advantages of OFC 1 13th July, 2015

2. Optical fiber wave guides- Introduction, Ray theory transmission 1 14th, July, 2015

3. Total Internal Reflection, Acceptance angle, Numerical Aperture, Skew rays 4 15th, 16th , 17th ,20th

July, 20154. Cylindrical fibers- Modes, V number, Mode coupling,

Step Index fibers, Graded Index fibers 4 22nd 23rd, 24th, 27th July 2015

II

Unit Name: SINGLE MODE FIBERS5. Cut off wavelength, Mode Field Diameter, Effective

Refractive Index 1 28th July, 2015

6. Fiber materials — Glass, Halide, Active glass, Chalgenide glass, Plastic optical fibers. 1 29th July, 2015

7. Signal distortion in optical fibers- Attenuation 1 30th July,20158. Absorption, Scattering and 1 31st July, 20159. Core and Cladding losses 1 3rd Aug, 201510. Bending losses 2 4th ,5th ,Aug, 2015

III

Unit Name: INFORMATION CAPACITY DETERMINATION

11. Group delay 1 6th , Aug, 201512. Types of Dispersion - Material dispersion 1 7th Aug, 201513. Wave-guide dispersion, Polarization mode dispersion 2 10th , 11th Aug,

201514. Intermodal dispersion, Pulse broadening. 2 12th 13thAug, 201515. Optical fiber Connectors- Connector types, Single mode

fiber connectors, Connector return loss 3 14th 17th 18th Aug, 2015

IV

Unit Name: FIBER SPLICING16. Splicing techniques 1 19th Aug, 201517. Splicing single mode fibers 2 20th 21st Aug, 2015

18. single mode fiber joints 3 24th , 25th 26th Aug 2015

19. Optical sources- LEDs, Structures, Materials, Quantum efficiency 1 27th Aug, 2015

20. Power, Modulation, Power bandwidth product 1 31st ,Aug, 201521. Revision for I,II,III & IV Units 4 1st 2nd 3rd 4th Sept

V

Unit Name: SOURCE TO FIBER POWER LAUNCHING

22. Power coupling, Power launching 3 14th, 15th, 16th Sept, 2015

23. Equilibrium Numerical Aperture, 3 18th, 19th, 21st Sept, 2015

24. Laser diode to fiber coupling 3 22nd, 23rd, 25th

Sept, 2015

VI

Unit Name- OPTICAL DETECTORS 25. Physical principles of PIN and APD 3 28th, 29th, 30th, Sept,

201526. Detector response time, Temperature effect on

Avalanche gain 1 1st Oct 2015

24. Comparison of Photo-detectors 2 5th, 6th, Oct 201528. Optical receiver operation- Fundamental receiver

operation 1 7th Oct 2015

29. Digital signal transmission, error sources, Receiver configuration 2 8th, 9th, Oct 2015

30. Digital receiver performance, Probability of error, Quantum limit 1 12th Oct 2015

VII

Unit Name- OPTICAL SYSTEM DESIGN31. Considerations, Component choice, Multiplexing 1 13th Oct 201532. Point-to- point links, System considerations 1 14th Oct 201533. Link power budget with examples 1 15th Oct 201534. Overall fiber dispersion in Multi mode and Single mode

fibers 3 16th , 19th, 20th Oct 2015

35. Rise time budget with examples 1 26th Oct 201536. Multiplexing 1 27th Oct 2015

VIII

Unit Name-8

37. Transmission distance 2 28th, 29th Oct 201538. Line coding in Optical links 3 30th Oct, 2nd, 3rd,

Nov, 201539. WDM, Necessity, Principles, Types of WDM 2 4th Nov, 2015

Measurement of Attenuation, Measurement of Dispersion, Eye pattern 1 4th Nov, 2015

40. Revision for V, VI VII & VIII Units 3 5th,6th, 7th Nov, 2015

Total No. of Periods 75Prescribed Text Books

1. Optical Fiber Communications by Gerd Keiser,TMH,3rd Edition,20002. Optical Fiber Communications by J. M. Senior, PHI, 2nd Edition, 20023. Fiber Optic Communication by . D.K. M,S.C. Gupta and Lowell L. Scheiner, Pearson Education,

2005.

Signature of HOD PRINCIPAL SIGNATURE OF FACULTY