Optoelectronics and Fiber Optic Communication

Course

Postgraduate

Semester

Electives

Subject Code

AVR867

Subject Title

Optoelectronics and Fiber Optic Communication

Syllabus

Planar Optical Waveguides: Wave propagation in planar optical waveguides, ray theory, electromagnetic mode theory, phase and group velocity, dispersion. Optical Fibre Waveguides: Wave propagation in cylindrical fibres, modes and mode coupling, step and graded index fibres, single-mode fibres. Transmission Characteristics of Fibres: Attenuation, material absorption and scattering loss, bend loss, intra-modal and inter-modal dispersion in step and graded fibres, overall dispersion in single and multi-mode fibres. Optical Fibre Connection: Optical fiber cables, stability of characteristics, fibre alignment; Fibre splices, connectors, couplers. Optical Sources: Absorption and emission of radiation, population inversion and laser oscillation, pn junction, recombination and diffusion, stimulated emission and lasing, hetero-junctions, single frequency injection lasers and their characteristics, light emitting diode structures and their characteristics. Optical Detectors: Optical detection principles, p-n, p-i-n, and avalanche photodiodes. Optical Communication System: System description and design considerations of an optical fibre communication system, noise in detection process, power budgeting, rise time budgeting, maximum transmission distance. Optical networks: WDM concepts and principles, basic networks, SONET/SDH, broadcast-andselect WDM networks, wavelength-routed networks, nonlinear effects on network performance, performance of WDM & EDFA systems; Solitons; Optical CDMA.

Text Books

Same as Reference

References

1. Optical Fiber Communications, Senior, J.M., 2nd Edition, Prentice-Hall of India, 1999.

2. Optical Fiber Communications, Keiser, G.,3rd Edition, McGraw-Hill, 2000.

3. Introduction to Fiber Optics, Ghata, A. and Thyagarajan, K., Cambridge University Press. 1999

4. Fiber Optics and Optoelectronics, Cheo, P.K., 2nd Ed., Prentice-Hall. 1990

5. Optical Communication Systems, Govar, J., 2nd Ed., Prentice-Hall of India. 1996

6. Optical Waveguide Theory, Snyder, A.W. and Love, J.D., Chapman & Hall. 1983.

Course Outcomes (COs):

Course Outcomes (COs):
CO1: Understand the electronic and optoelectronic properties of semiconductors, operation of PN diode, various light absorption and emission mechanisms in semiconductors

CO2: Study the basic operating principle of LED, Semiconductor lasers, heterojunction lasers, quantum well lasers, VCSEL, DFB and DBR lasers, photodetectors, solar cells.

CO3: Understand total internal reflection, Snell's law, Understanding construction and light guiding mechanisms in waveguides [optical fibers and planar waveguides].

CO4: Design an optical communication link and test it and understand different types of optical fibers, loss and dispersion mechanisms.