Subject Code: EC6L012 Name: Optical Communication L-T-P: 3-0-0 Credit: 3
Introduction: overview of optical fiber communications, optical spectral bands, fundamental of data communication concepts, network information rate.

Optical fibers:  introduction to the optical fibres: evolution of optical fibres, itu-t standards g652, g655,  optical fibres cables, measurements on optical links: the otdr principles

Optical sources: light-emitting diodes, power–current characteristics, led spectrum, semiconductor lasers, optical gain, feedback and laser threshold, laser structures. Distributed feedback lasers, coupled-cavity semiconductor lasers, tunable semiconductor lasers, laser characteristics, reliability considerations.

Optical detection: photo detectors, optical receivers,  detector responsivity, rise time and bandwidth, common photo detectors, p–i–n photodiodes, avalanche photodiodes, receiver design, receiver noise, coherent receiver,  noise mechanisms, receiver sensitivity, bit-error rate, minimum received power, quantum limit of photo detection, intensity noise, timing jitter, receiver performance.

Digital: point-to-point links, power penalties, error control, intensity modulation, coherent modulation,  wavelength multiplexing (wdm) techniques, components for wdm, optical amplifier and optical filters for wdm links.

Optical networks: network concept, network topology, sonet/sdh, components for optical networks: characteristics and evolution trends- oadm (optical add and drop multiplexers)- oxc (optical cross connecters)- wavelength converters (w-c)

Prerequisite: None

Text Books:
  1. G. P. Agrawal, Fiber-Optic Communication Systems, Third Ed., John Wiley & Sons, Inc., 2002
  2. G. Keiser, Optical Fiber Communications, McGraw-Hill, 2000
Reference Books: 
  1. J. Senior, Optical Fiber Communications. Principle and Practice, Prentice Hall, 
  2. J.P. Laude, DWDM Fundamentals, Components and Applications, Ed. Artech House, 2002.
  3. R. Ramaswami Optical Networks. A Practical Perpective, Morgan Kaufmann Publishers, Inc. ITU-T Recommendations
  4. R. L. Freeman, Fiber-Optic Systems for Telecommunications, John Wiley & Sons, Inc., 2002
  5. Eugene Hecht , Optics, 4th Edition, (Addison-Wesley)
  6. Djafar K. Mynbaev and Lowell L. Scheiner,  Fiber-Optic Communications Technology,  (Prentice-Hall)
  7. Joseph C. Palais , Fiber Optic Communications, 4th Edition,  (Prentice Hall)
  8. Selvarajan and Kar, “Optical Fiber Communications”, Tata McGraw-Hill Education, 2003.