Optical Sources

Preview 19:52

Semiconductor gain media- structure, spectrum

Preview 34:03

Optical sources: LED

Preview 11:46

External Quantum Efficiency

Preview 18:45

Modulation Bandwidth of LED

Preview 20:48

Optical and Electrical Bandwidth of LED

Preview 20:14

Emission Pattern of LED

Preview 11:27

Optical Sources: Laser Diodes over LEDs

Preview 09:31

Laser Diodes: Resonator Concepts 1a

Preview 19:10

Laser Diodes: Resonator Concepts 1b

Preview 10:29

Laser Diodes: Resonator Concepts 1c

Preview 17:08

Laser Diodes: Gain Coefficient

Preview 11:05

Laser Diodes: Photon life time

Preview 13:09

Laser rate equation: Steady State solution1

Preview 14:07

Laser rate equation: LI Chara

Preview 17:04

Laser power derivation

Preview 18:12

Modulation Response of Laser 1

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Modulation Response of Laser 2

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Modulation Response of Laser 3

Preview 21:24

Setbacks of direct modulation of laser: Modulation Chirp

Preview 16:01

Setbacks of direct modulation of laser: Transcient Chirp

Preview 10:32

Recap of direction modulation consequences

Preview 10:08

Noise in Lasers

Preview 17:04

Relative Intensity Noise

Preview 15:17

Laser Phase Noise 1

Preview 08:30

Laser Phase Noise 2

Preview 16:04

Effect of Laser Phase Noise: A case study

Preview 20:47

Electro-optic phase modulation

Preview 13:55

Electro-optic intensity modulator

Preview 16:33

Biasing of MZM: BPSK Generation

Preview 14:44

Biasing of MZM: QPSK and 16 QAM Generation

Preview 18:00

Line coding schemes and their bandwidth requirements

Preview 18:34

Introduction to optical Fiber

Preview 11:21

Attenuation in optical fibers

Preview 24:57

Fiber Modes

Preview 13:09

Modes of a step index fiber 1

Preview 35:00

Modes of a step index fiber 2

Preview 17:40

Modes of a step index fiber 3

Preview 13:21

Modes of a step index fiber 4

Preview 14:28

Modes of a step index fiber 5

Preview 16:36

Modes and Cut-off conditions

Preview 18:24

Universal b-V curves

Preview 15:49

Modal Profiles in step index fiber

Preview 17:19

Mode Field Diameter

Preview 16:37

Dispersion- Intermodal dispersion derivation

Preview 18:31

Dispersion-Bit rate distance Product

Preview 17:32

Phase Velocity and Group Velocity 1

Preview 16:55

Phase Velocity and Group Velocity 2

Preview 13:36

Material dispersion

Preview 18:46

Waveguide dispersion

Preview 22:11

Total Dispersion in optical fiber

Preview 23:43

Polarization mode dispersion

Preview 15:21

Photodetectors concepts

Preview 18:19

p-n & p-i-n Photodetectors

Preview 18:50

Avalance Photodetector

Preview 10:09

Direct detection receiver and sources of noise

Preview 20:03

Quantifying noises in direct detection receivers

Preview 14:12

SNR and Operation Regimes

Preview 13:55

Noise Equivalent power and SNR in APDs

Preview 15:13

Coherent Receivers

Preview 19:33

SNR analysis of coherent receivers

Preview 20:04

Performance Evaluation 1

Preview 16:06

Performance Evaluation 2

Preview 13:08

Performance Metrics: BER,Q, and Receiver Sensitivity

Preview 22:04

Performance Metrics:Q and SNR

Preview 09:54

Quantum limit of photodetection

Preview 19:18

Optical Amplifier

Preview 17:54

Erbium doped fiber amplifier 1

Preview 27:48

Erbium doped fiber amplifier 2

Preview 14:00

Erbium doped fiber amplifier 3

Preview 24:22

Erbium doped fiber amplifier 4

Preview 23:46

Link Design - Rise Time Budget

Preview 14:24

Link Design- Case Study

Preview 16:19

Link Design- Passive Optical Network and long haul link

Preview 36:53

Dispersion - recap

Preview 13:48

Dispersion Compensation - Pulse Propagation with disperison

Preview 11:15

Pulse propagation -2

Preview 09:09

Dispersion Compensation -Dispersion Transfer Function

Preview 13:38

Dispersion Compensation -Case Study

Preview 15:01

Dispersion COmpensation - WDM & DSP

Preview 11:17

Nonlinear Effects- Nonlinear refractive Index

Preview 18:24

Self Phase Modulation

Preview 19:12

Cross Phase Modulation

Preview 18:11

Scattering Processes in optical fibers

Preview 12:05

Stimulated Brillouin Scattering

Preview 27:09

Stimulated Raman Scattering

Preview 16:06

Components- Directional Couplers

Preview 17:28

Components - VOA, Polariser, Polarisation Controllers

Preview 13:25

Components- Isolator

Preview 16:33

Components - Circulator, Definitions

Preview 12:35

Components - Wavelength filters

Preview 18:35

Components - Arrayed Waveguide Gratings, WSS

Preview 08:38

Balanced Detection

Preview 14:16

Polarisation Diverse Coherent Receiver

Preview 10:11

Phase and Polarisation Diverse Coherent Reciever

Preview 15:33

Overview of impairments in coherent optical communication

Preview 11:55

Transceiver impairments - Generation and Compensation

Preview 27:53

Channel Impairments - Generation and Compensation

Preview 17:15

Demo video

Preview 02:55

Introduction to Optical Networks

Preview 20:28

Layers of Optical Network

Preview 21:21

SDH/SONET Layering, Frame Structure

Preview 16:20

Physical Networks Topologies

Preview 29:17

Topology specific Link Design

Preview 11:42

Network Protection

Preview 16:56

Access Networks- PON

Preview 26:02

Optical Interconnects, Data Centers

Preview 08:58

Optical communication for Wireless Fronthauling

Preview 16:53

Live Session 17-08-2021

Preview 73:50

Live Session 24-08-2021

Preview 56:00

Live Session 18-09-2020

Preview 71:05

Live Session 25-09-2020

Preview 73:28

Live Session 09-10-2020

Preview 70:55

Live Session 16-10-2020

Preview 76:40

Live Session 23-10-2020

Preview 73:40

Live Session 27-10-2020

Preview 67:50

Live Session 11-03-2020

Preview 45:40

Live Session 10-11-2020

Preview 66:55

Live Session 17-11-2020

Preview 54:00

Live Session 24-11-2020

Preview 47:40

Live Session 01-12-2020

Preview 26:40

Live Session 12-08-2020

Preview 66:55