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Courses » Optical Communications

Optical Communications

ABOUT THE COURSE

Optical communications is a frequent elective/core course offered to third/final year undergraduate students in Electrical Engineering. This course offers a gradual approach to optical communications with emphasis on latest developments in coherent optical communications. Starting from a broad introduction to transmitters and receivers, this course covers optical fibers and waveguides, lasers, detectors, optical amplifiers, channel impairments and their mitigation using signal processing algorithms. Matlab models will be discussed.

INTENDED AUDIENCE

UG

PRE-REQUISITES

Knowledge of electromagnetics and digital communication fundamentals

INDUSTRY SUPPORT – LIST OF COMPANIES/INDUSTRY THAT WILL RECOGNIZE/VALUE THIS ONLINE COURSE

Tejas Networks, Sterlite Technologies, Many defense labs, etc

3288 students have enrolled already!!

COURSE INSTRUCTOR



Dr. Pradeep Kumar K obtained his PhD from the Department of Electrical Engineering, IIT Madras working on Quantum Key Distribution in 2009. He has since been at the Department of Electrical Engineering, IIT Kanpur. His research interests include Quantum key distribution, coherent optical communications, and nonlinear fiber optics.
COURSE LAYOUT

 Week 1:
Overview of optical fiber communications, Optical transmitter components--lasers and optical modulators

Week 2:
General digital communication system, Line coding and Pulse shaping, Signal space representation

Week 3:
Digital modulation formats: ASK, PSK, and QAM, Matlab models, Optical implementation, Matlab models

Week 4:
Higher-order modulation (star and square QAM) and Multicarrier modulation (OFDM), Optimum receiver principles

Week 5:
Optical receivers I: Photodetectors and its performance characteristics, noise in photodetection, common types of photodetectors

Week 6:
Optical receivers II: Direct detection, self-homodyne (differential) detection, and coherent detection, Sensitivity, Impact of noise

Week 7:
Lasers, rate equations, RIN and phase noise

Week 8:
Optical amplifiers: EDFA and SOA, ASE, system impact

Week 9:
Electromagnetic theory, Wave equations, Reflection and transmission of waves

Week 10:
Optical fiber modes, single and multi-mode fibers, single and multi-core fibers, attenuation and dispersion

Week 11:
Nonlinear effects (SPM, XPM, FWM), Multiplexing: Polarization, Wavelength, and Time division multiplexed systems, Important WDM components

Week 12:
DSP in optical communications, dispersion mitigation, phase noise estimation and compensation, carrier phase recovery, digital back propagation

SUGGESTED READING

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MORE DETAILS ABOUT THE COURSE
Course url: https://onlinecourses.nptel.ac.in/noc16_ec16
Course duration : 12 weeks
Start date and end date of course: 18 July, 2016 - 7 October, 2016
Dates of exams : 16 Oct 2016 and 23 Oct 2016
Time of exam : 2pm - 5pm
Final List of exam cities will be available in exam registration form.
Exam registration url - Will be announced shortly
Exam Fee: The online registration form has to be filled and the certification exam fee of approximately Rs 1000(non-Programming) needs to be paid.

CERTIFICATE

E-Certificate will be given to those who register and write the exam. Certificate will have your name, photograph and the score in the final exam. It will have the logos of NPTEL and IIT Kanpur.

It will be e-verifiable at nptel.ac.in/noc.