NPTEL - Fiber Optics
offered by IIT Roorkee

Public/Government Institute
Estd. 1847

Fiber Optics
at
IIT Roorkee
Overview

Boost your career by developing the skills use in Fiber Optics

Duration	8 weeks
Mode of learning	Online
Credential	Certificate

Fiber Optics
at
IIT Roorkee
Highlights

Earn a E- certificate of completion from IIT Roorkee

Fiber Optics
at
IIT Roorkee
Course details

Skills you will learn

Budgeting

Who should do this course?

For Undergraduate students of Electronics and Communication Engineering, Computer Science and Engineering, Electrical Engineering, Information Technology

More about this course

The course is aimed at equipping the undergraduate Engineering and Physics students with the basic understanding of optical fibers and optical fiber communication
The course provides knowledge of optical fiber waveguide at fundamental level, essentials of an optical fiber communication system and understanding of various components of an optical fiber telecommunication system

Fiber Optics
at
IIT Roorkee
Curriculum

Week 1

Introduction

Need for optical communication

Salient features of optical fibers

Ray theory of light guidance

Numerical aperture

Modes of a fiber

Single and multimode fibers

Step-index and graded-index fibers

Fiber fabrication techniques

Week 2

Transmission characteristics of optical fibers

Attenuation

Pulse broadening mechanism

Intermodal dispersion

Bit rate - length product

Material dispersion

Electromagnetic wave analysis of light propagation in an infinitely extended medium

Electromagnetic waves in dielectrics

Boundary conditions

Week 3

Electromagnetic analysis of planar optical waveguides

TE and TM modes

Planar mirror waveguide

Dielectric symmetric step-index

Planar waveguide

Symmetric and anti-symmetric modes

b-V curves

Modal fields

Week 4

Power associated with modes of dielectric symmetric planar waveguide

Asymmetric planar waveguide

Single polarization single mode waveguide

Excitation of guided modes by prism coupling technique

Radiation modes

Optical fiber waveguide

EH and HE modes

Weakly guiding fibers

LP modes

Mode cut-offs

b-V curves

Week 5

Optical fiber modes

Field patterns

Degeneracies

Fractional power in the core

Single mode fiber

Cut-off wavelength

Mode field diameter

Bend loss

Splice loss

Waveguide dispersion

Group delay

Week 6

Total chromatic dispersion

Pulse broadening and chirping

Dispersion in graded-index and multilayer fibers

Optical fiber components and devices

Directional coupler

Power splitter

WDM coupler

Polarization controllers

Fiber Bragg gratings

Week 7

Various types of fiber Bragg gratings

Fabrication methods

Applications

Long period gratings

Optical fiber amplifier

Erbium doped fiber amplifier

Dispersion management

Dispersion shifted fiber

Dispersion compensating fiber

Sources for optical fiber communication

Light emitting diode

Internal and external quantum efficiencies

LED characteristics

Laser diode

Week 8

Detectors for optical communication

p-i-n photodetector

APD

System design

Dispersion and attenuation limited systems

BER

Power budgeting of fiber link

Recent advances

Fiber Optics
at
IIT Roorkee
Faculty details

Dr. Vipul Rastogi

Dr. Vipul Rastogi received PhD degree from the Indian Institute of Technology, Delhi, India in 1998. He carried out post-doctorate in Université de Nice Sophia Antipolis, France during 1998 – 1999. From 2000 to 2003 he worked in the Department of Electronic Engineering in City University of Hong Kong as a Research Fellow.