II B.E. (Electronics & Communication)

VIII SEMESTER

8 EC3- OPTICAL COMMUNICATION

1. OPTICAL FIBERS: Basic optical laws and definitions, Principal of light propagation in fibers. Ray theory, Optical fiber modes, and configurations. Step index and graded index fibers, Mono mode and multimode fibers, Fiver materials, fiber fabrication, Fiber optic cables.

2. SIGNAL DEGRADATION IN OPTICAL FIBERS: Attenuation signal distortion in optical fibers, Dispersion -intra modal & inter modal, Dispersion shifted and flattened fiber.

3. OPTICAL SOURCES: LED's- Structure, Materials, Characteristics, Modulation, Power, and efficiency, Laser Diodes -Basic concepts, Structure, properties and modulation.

4. OPTICAL DETECTORS: PIN and avalanche photo diodes, photo detector noise, detector response time, Avalanche multiplication noise Photo diode materials. Fundamental of Optical Receiver Operation.

5. OPTICAL FIBER COMMUNICATION SYSTEMS: Source fiber coupling, fiber-to-fiber joints, fiber splicing, fiber connectors. Principal components. Link design calculation, Applications, Wavelength division multiplexing.

6. OPTICAL FIBER MEASUREMENTS: Measurements of Fiber attenuation Dispersion, refractive index profile, Numerical aperture & diameter.

 Recommended Books:

1. Gerd Keiser -Optical Fiber Communications, Tata McGraw 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.

5. Joseph C. Palais-Fiber Optic Communications, LPE, Pearson Education Asia.