My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
Anna University B.E - E.C.E - Semester 7 - OPTICAL COMMUNICATION
Posted Date: 10 Dec 2007 Resource Type: Articles/Knowledge Sharing Category: General
|
Posted By: Bala Member Level: Diamond
Rating:  Points: 1
|
|
|
EC433 OPTICAL COMMUNICATION
1. INTRODUCTION TO OPTICAL FIBERS
Evolution of fiber Optic system – Element of an Optical Fiber Transmission link – Ray Optics – Optical Fiber Modes and Configurations – Mode theory of Circular Wave guides – Overview of Modes – Key Modal concepts – Linearly Polarized Modes – Single Mode Fibers – Graded Index fiber structure.
2 SIGNAL DEGRADATION IN OPTICAL FIBERS
Attenuation – Absorption losses, Scattering losses, Bending Losses, Core and Cladding losses, Signal Distortion in Optical Wave guides – Information Capacity determination – Group Delay – Material Dispersion, Wave guide Dispersion, Signal distortion in SM fibers – Polarization Mode dispersion, Intermodal dispersion, Pulse Broadening in GI fibers – Mode Coupling – Design Optimization of SM fibers – RI profile and cut-off wavelength.
3. FIBER OPTICAL SOURCES
Direct and indirect Band gap materials – LED structures – Light source materials – Quantum efficiency and LED power, Modulation of a LED, Laser Diodes – Modes and Threshold condition – Rate equations – External Quantum efficiency – Resonant frequencies – Laser Diodes structures and radiation patterns – Single Mode lasers – Modulation of Laser Diodes, Temperature effects, Introduction to Quantum laser, Fiber amplifiers.
4. FIBER OPTICAL RECEIVERS
PIN and APD diodes – Photo detector noise, SNR, Detector Response time, Avalanche Multiplication Noise – Comparison of Photo detectors – Fundamental Receiver Operation – pre-amplifiers - Error Sources – Receiver Configuration – Probability of Error – The Quantum Limit.
5. DIGITAL TRANMISSION SYSTEM
Point-to-Point links – System considerations – Fiber Splicing and connectors – Link Power budget – Rise-time budget – Noise Effects on System Performance – Operational Principals of WDM, Solutions.
|
Responses
|
| Author: Bala 10 Dec 2007 | Member Level: Diamond Points : 1 | TEXT BOOK:
1. Gerd Keiser, “Optical Fiber Communication” McGraw-Hill International, Singapore, 3rd ed., 2000
REFERENCES:
1. J.Senior, “Optical Communication, Principles and Practice”, Prentice Hall of India, 1994.
2. J.Gower, “Optical Communication System”, Prentice Hall of India, 2001.
|
|
Watch TV Channels
|