Course Details
Subject {L-T-P / C} : EC4506 : Optical Communication { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Santos Kumar Das
Syllabus
Introduction to optical communication: Characteristics of optical transmission media, optical fibers- preparation and transmission characteristics, loss and dispersion mechanisms Optical sources: principles of operation, modulation characteristics and driver circuits, LED, laser diodes, light source linearity, modal, and partition and reflection noise Power Launching and Coupling: Source to fiber power launching, lensing schemes for coupling improvement, fiber to fiber joints, couplers, multiplexers and splices Photo detectors: principles of operation, circuits and performance, preamplifiers and post-detection amplifiers Optical Fiber systems: intensity modulation/direct detection system, link budget using direct detection, coherent system, wavelength converters, coherent and WDM systems, Photonic switching. RWA: Different Wavelength Assignment (WA) Techniques. Different Quality Estimation Technique.
Course Objectives
- Explain different properties of optical fiber.
- Link budget calculation of optical fiber communication.
- Different techniques for Quality estimation of optical fiber communication.
Course Outcomes
1. Analyses the performance of both digital and analogue optical fiber systems, <br />2. Calculates the system bandwidth, noise, probability of error and maximum usable bit rate of a digital fiber system. <br />3. Calculates the system link loss, distortion and dynamic range of an RF photonic link.
Essential Reading
- Keiser, Optical Fiber Communications, McGraw Hill , 2008
- John M. Senior, Optical Fiber Communications: Principles and Practice, PHI , 2008
Supplementary Reading
- Jones, William B. Jones, Introduction to Optical Fiber Communications Systems, Oxford University Press , 1995
- A. J. Rogers, Understanding Optical Fiber Communications, , Artech House , 2001