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UNIT I INTRODUCTION

1.1 Introduction

1.2 Ray theory transmission - Total internal reflection-Acceptance angle, Numerical aperture

1.3 Skew rays

1.4 Electromagnetic mode theory of optical propagation - EM waves

1.5 Modes in Planar guide

1.6 Phase and group velocity

1.7 Cylindrical fibers

1.8 SM fibers

UNIT II TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS

2.1 Attenuation

2.2 Material absorption losses in silica glass fibers

2.3 Linear and Non linear Scattering losses

2.4 Fiber Bend losses

2.5 Midband and farband infra red transmission

2.6 Intra and inter Modal Dispersion - Over all Fiber Dispersion

2.7 Polarization - Non linear Phenomena

2.8 Fiber alignment and Joint Losses

2.9 Fiber Splices

2.10 Optical Fiber connectors – Expanded Beam Connectors

2.11 Fiber Couplers

UNIT III SOURCES AND DETECTORS

3.1 Optical sources

3.2 Light Emitting Diodes - LED structures, Surface and edge emitters, Mono and hetero structures

3.3 Internal quantum efficiency

3.4 Injection laser diode structures

3.5 Comparison of LED and ILD (Comparison of performance)

3.6 Optical Detectors: PIN Photo detectors - Construction, characteristics and properties

3.7 Avalanche photo diodes - Construction, characteristics and properties

3.8 Photo detector noise - Noise sources , Signal to Noise ratio

3.9 Detector response time

UNIT IV FIBER OPTIC RECEIVER AND MEASUREMENTS

4.1 Fundamental receiver operation - Pre amplifiers, Error sources

4.2 Receiver Configuration – Probability of Error – Quantum limit

4.3 Fiber Attenuation measurements

4.4 Dispersion measurements

4.5 Fiber Refractive index profile measurements

4.6 Fiber cut-off Wave length Measurements

4.7 Fiber Numerical Aperture Measurements

4.8 Fiber Diameter measurements

UNIT V OPTICAL NETWORKS

5.1 Basic Networks

5.2 SONET / SDH

5.3 Broadcast and select WDM Networks

5.4 Wavelength Routed Networks

5.5 Non linear effects on Network performance

5.6 Performance of WDM + EDFA system

5.7 Solitons

5.8 Optical CDMA

5.9 Ultra High Capacity Networks