III B.E. (Computer Engg.)

V SEMESTER

5CP6.5 OPTICAL COMMUNICATION

1. OPTICAL FIBERS: Basic optical laws and definitions. Principles of light propagation in fibres. Ray theory. Optical fibre modes and configurations, Step index and graded index fibers. Monomode and multimode fibers. fiber materials. fiber fabrication. f:iber Optic cables.

2. SIGNAL DEGRAOATION IN OPTICAL FIBERS: Attenuation. signal distortion in optical fibers, Pulse broadening. Dispersion modified SM fibers.

3. OPTICAL SOURCES: LEDs -Structure, Materials, Characteristics, Power & efficiecy. Laser Diodes -Basic concepts, Structure, properties and modulation.

4. OPTICAL DETECTORS: PIN al1d Avalanche photo diode, photo detector noise. detector response time. Avalanche multiplication noise, Photo diode materials. Optical receivers.

5. POWER LAUNCHING & COUPLING: Source to fiber coupling, fiber to fiber joints, fiber splicing, fiber connectors.

6. OPTICAL FIBER COMMUNICATION SYSTEMS: Principal components. Design considerations & Applications, Wavelength division multiplexing.

 Recommended Books:

1. Gerd Keiser -Optical Fiber Communications, Tata Mc Graw Hill.

2. J, N. Senior -Optical Fiber Communication, Prentice Hall of India.

3. J. Gowar -Optical Communication Systems, Prentice Hall of India,

4. J. Wilson & Hawkes -Opto Electronics -An Introduction, prentice Hall of India.