UNIT 1:
Evolution of fiber optic system
Graded index fiber structure
Mode theory of Circular Wave guides
Linearly polarized modes-Single mode fibers
Overview of modes-key modal concepts
Optical fiber modes and configurations
Numerical aperture-Skewray optics
Total internal reflection-Acceptance angle
Element of an Optical fiber transmission link
UNIT 2:
Pulse Broadening in GI fibers
Polarization Mode dispersion
Group Delay-Material Dispersion
Signal Distortion in Optical Wave guides-Information Capacity determination
Design Optimization of SM fibers-RI profile and cut-off wavelength
Wave guide Dispersion, Signal distortion in SM fibers
UNIT 3:
Fiber amplifiers- Power Launching and coupling
Laser Diodes, Temperature effects, Introduction to Quantum laser
External Quantum efficiency -Resonant frequencies
lasers Diodes-Modes and Threshold condition -Rate equations
Direct and indirect Band gap materials
LED structures -Light source materials
uantum efficiency and LED power, Modulation of a LED
Lencing schemes, Fiber -to- Fiber joint
Fiber splicing-Signal to Noise ratio , Detector response time
UNIT 4:
Fiber Numerical Aperture Measurements
Error sources – Receiver Configuration
Fiber diameter measurements
Fiber cut- off Wave length Measurements
Fiber Refractive index profile measurements
Probability of Error – Quantum limit
Fiber Attenuation measurements- Dispersion measurements
Fundamental receiver operation, Pre amplifiers
UNIT 5:
Link Power budget -Rise time budget
Non linear effects on Network performance
Wavelength Routed Networks
Basic Networks – SONET / SDH
Broadcast – and –select WDM Networks
Noise Effects on System Performance
Operational Principles of WDM Performance of WDM + EDFA system
Ultra High Capacity Networks
