Fiber Optic Communication Technology (Prof. Deepa Venkitesh, IIT Madras) | Electronics and Electrical Engineering

Fiber Optic Communication Technology

Fiber Optic Communication Technology. Instructor: Prof. Deepa Venkitesh, Department of Electrical Engineering, IIT Madras. This is a graduate level course, intended to expose the students to the physical layer elements and seamlessly provide a transition from the physical layer issues to data link layer issues in optical communication systems and networks. (from nptel.ac.in)

Introduction

Lecture 01 - Introduction to Fiber Optic Communication Technology

Lecture 02 - Communication through the Ages

Lecture 03 - Communication: Basics 1

Lecture 04 - Communication: Basics 2

Lecture 05 - Digital Communication for Optical Communication

Lecture 06 - Digital Modulation: Basics 2

Lecture 07 - Digital Modulation: Basics 3

Lecture 08 - Optical Communication System

Lecture 09 - Optical Sources

Lecture 10 - Semiconductor Gain Media - Structure, Spectrum

Lecture 11 - Optical Sources: LED

Lecture 12 - External Quantum Efficiency

Lecture 13 - Modulation Bandwidth of LED

Lecture 14 - Optical and Electrical Bandwidth of LED

Lecture 15 - Emission Pattern of LED

Lecture 16 - Optical Sources: Laser Diodes over LEDs

Lecture 17 - Laser Diodes: Resonator Concepts 1A

Lecture 18 - Laser Diodes: Resonator Concepts 1B

Lecture 19 - Laser Diodes: Resonator Concepts 1C

Lecture 20 - Laser Diodes: Gain Coefficient

Lecture 21 - Laser Rate Equation: Steady State Solution

Lecture 22 - Laser Rate Equation: L-I Characteristics

Lecture 23 - Laser Power Derivation

Lecture 24 - Modulation Response of Laser 1

Lecture 25 - Modulation Response of Laser 2

Lecture 26 - Modulation Response of Laser 3

Lecture 27 - Setbacks of Direct Modulation of Laser: Modulation Chirp

Lecture 28 - Setbacks of Direct Modulation of Laser: Transient Chirp

Lecture 29 - Recap of Consequences of Direct Modulation

Lecture 30 - Noise in Lasers

Lecture 31 - Relative Intensity Noise

Lecture 32 - Laser Phase Noise 1

Lecture 33 - Laser Phase Noise 2

Lecture 34 - Effect of Laser Phase Noise: A Case Study

Lecture 35 - Electro-optic Phase Modulation

Lecture 36 - Electro-optic Intensity Modulator

Lecture 37 - Biasing of MZM: BPSK Generation

Lecture 38 - Biasing of MZM: QPSK and 16 QAM Generation

Lecture 39 - Line Coding Schemes and their Bandwidth Requirements

Lecture 40 - Introduction to Optical Fiber

Lecture 41 - Attenuation in Optical Fibers

Lecture 42 - Fiber Modes

Lecture 43 - Modes of a Step Index Fiber 1

Lecture 44 - Modes of a Step Index Fiber 2

Lecture 45 - Modes of a Step Index Fiber 3

Lecture 46 - Modes of a Step Index Fiber 4

Lecture 47 - Modes of a Step Index Fiber 5

Lecture 48 - Modes and Cut-off Conditions

Lecture 49 - Universal b-v Curves

Lecture 50 - Modal Profiles in Step Index Fiber

Lecture 51 - Mode Field Diameter

Lecture 52 - Dispersion: Intermodal Dispersion Derivation

Lecture 53 - Dispersion: Bit-Rate Distance Product

Lecture 54 - Phase Velocity and Group Velocity 1

Lecture 55 - Phase Velocity and Group Velocity 2

Lecture 56 - Material Dispersion

Lecture 57 - Waveguide Dispersion

Lecture 58 - Total Dispersion in Optical Fiber

Lecture 59 - Polarization Mode Dispersion

Lecture 60 - Photodetectors: Concepts

Lecture 61 - p-n and p-i-n Photodetectors

Lecture 62 - Avalanche Photodetector

Lecture 63 - Direct Detection Receiver and Sources of Noise

Lecture 64 - Quantifying Noises in Direct Detection Receivers

Lecture 65 - SNR and Operation Regimes

Lecture 66 - Noise Equivalent Power and SNR in APDs

Lecture 67 - Coherent Receivers

Lecture 68 - SNR Analysis of Coherent Receivers

Lecture 69 - Performance Evaluation 1

Lecture 70 - Performance Evaluation 2

Lecture 71 - Performance Metrics: BER, Q and Receiver Sensitivity

Lecture 72 - Performance Metrics: Q and SNR

Lecture 73 - Quantum Limit of Photodetection

Lecture 74 - Optical Amplifier

Lecture 75 - Erbium Doped Fiber Amplifier 1

Lecture 76 - Erbium Doped Fiber Amplifier 2

Lecture 77 - Erbium Doped Fiber Amplifier 3

Lecture 78 - Erbium Doped Fiber Amplifier 4

Lecture 79 - Link Design: Rise Time Budget

Lecture 80 - Link Design: Case Study

Lecture 81 - Link Design: Passive Optical Network and Long Haul Link

Lecture 82 - Dispersion: Recap

Lecture 83 - Dispersion Compensation: Pulse Propagation with Dispersion

Lecture 84 - Pulse Propagation 2

Lecture 85 - Dispersion Compensation: Dispersion Transfer Function

Lecture 86 - Dispersion Compensation: Case Study

Lecture 87 - Dispersion Compensation: WDM and DSP

Lecture 88 - Nonlinear Effects: Nonlinear Refractive Index

Lecture 89 - Self Phase Modulation

Lecture 90 - Cross Phase Modulation

Lecture 91 - Scattering Processes in Optical Fibers

Lecture 92 - Stimulated Brillouin Scattering

Lecture 93 - Stimulated Raman Scattering

Lecture 94 - Components: Directional Couplers

Lecture 95 - Components: VOA, Polariser, Polarisation Controllers

Lecture 96 - Components: Isolator

Lecture 97 - Components: Circulator, Definitions

Lecture 98 - Components: Wavelength Filters

Lecture 99 - Components: Arrayed Waveguide Gratings, WSS

Lecture 100 - Balanced Detection

Lecture 101 - Polarisation Diverse Coherent Receiver

Lecture 102 - Phase and Polarisation Diverse Coherent Receiver

Lecture 103 - Overview of Impairment in Coherent Optical Communication

Lecture 104 - Transceiver Impairments: Generation and Compensation

Lecture 105 - Channel Impairments: Generation and Compensation

Lecture 106 - Demo Video

Lecture 107 - Introduction to Optical Networks

Lecture 108 - Layers of Optical Network

Lecture 109 - SDH/SONET Layering, Frame Structure

Lecture 110 - Physical Networks Topologies

Lecture 111 - Topology Specific Link Design

Lecture 112 - Network Protection

Lecture 113 - Access Networks: PON

Lecture 114 - Optical Interconnects, Data Centers

Lecture 115 - Optical Communication for Wireless Fronthauling

References

Fiber Optic Communication Technology
Instructor: Prof. Deepa Venkitesh, Department of Electrical Engineering, IIT Madras. This course deals with topics on the physical layer elements and issues and data link layer issues in optical communication systems and networks.