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  • 9:33 PM, Tuesday, 26 Oct 2021

Course Postgraduate
Semester Electives
Subject Code PH664
Subject Title Optical Communication


Introduction to information theory- Shannon noiseless coding theorem and Shannon noisy coding theorem

Introduction to optical communication: Overview of General communication, advantage of optical communication, review of optical fibre and its propagation characteristics, signal attenuation in fibre, dispersion, classification and effect of dispersion in information transfer, review of fibre connectors, couplers, optical filter, isolator, circulator and attenuator.

Aspects of design of optical communication: optical fibre systems, modulation schemes, Digital and analog fibre communication system, system design consideration, emitter and detector design, fibre choice, connectors, various amplifiers and its characteristics

Optical transmitter: Basic concepts, characteristics of semiconductor injection LASER, LED, transmitter design

Optical Receiver: Basic concepts, P-n and Pin photo detectors, Avalanche photo detectors, MSM photo detector, receiver design, receiver noise, receiver sensitivity, optical amplifier and its applications

Coherent communication: Basic concept, detection principles, practical considerations, modulation and demodulation schemes, heterodyne and homodyne detection, single and multicarrier systems, DPSK field demonstrated system, multicarrier and network
Introduction to Advance optical communication:
Wavelength division multiplexing (WDM): multiplexing techniques, topologies and architectures, wavelength shifting and reverse, switching WDM demultiplexer, optical add/drop multiplexers.

Dense wavelength division multiplexing (DWDM): system considerations, multiplexers and demultiplexers
Fiber amplifier for DWDM, SONET/SDH transmission, modulation formats, NRZ and RZ signalling, DPSK system modeling.

Text Books

Same as Reference


1. Communication system - B.P Lathi
2. Optical fiber communications: Principles and practice- John M. Senior-Prentice Hall of India
3. Optical communication systems-John Grower- Prentice Hall of India
4. Optical fiber communications- Gerd Keiser-McGraw Hill, 3 ed.
5. Non-linear optics – G.P Agarwal- Academic Press
6. WDM optical networks: concepts, design and algorithms- C.Sivaram murthy and Mohan Gurusamy- Prentice Hall of India, 2002
7. Understanding SONET/SDT and ATM communication network for next millenium- Stamatios V Kartalopoulos- Prentice Hall of India, 2000
8. Elements of Information theory,  T M Cover and J A Thomas, Wiley,  2006