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Optical Comm Course for B.Tech Students

This document outlines an optical communication course, including its objectives, syllabus, textbooks, and outcomes. The course covers topics like optical fiber modes and transmission characteristics, optical sources and detectors, fiber connectors, power launching, and optical system design. The objectives are to study optical fiber transmission, sources, detectors, measurements, coupling techniques, and communication systems. The syllabus covers these topics over six units. On completing the course, students will be able to apply knowledge of optical communication concepts, analyze problems, design links, provide solutions to fiber losses, and select appropriate components for advanced optical networks.

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Prakash Babu
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220 views2 pages

Optical Comm Course for B.Tech Students

This document outlines an optical communication course, including its objectives, syllabus, textbooks, and outcomes. The course covers topics like optical fiber modes and transmission characteristics, optical sources and detectors, fiber connectors, power launching, and optical system design. The objectives are to study optical fiber transmission, sources, detectors, measurements, coupling techniques, and communication systems. The syllabus covers these topics over six units. On completing the course, students will be able to apply knowledge of optical communication concepts, analyze problems, design links, provide solutions to fiber losses, and select appropriate components for advanced optical networks.

Uploaded by

Prakash Babu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Course Name OPTICAL COMMUNICATION

Year/Semester III B.Tech/ISem L T P C


Regulation Year 2019-2020 3 0 0 3

OPTICAL COMMUNICATION
OBJECTIVES:
The main objectives of this course are:

 To study about the various optical fiber modes, configuration and transmission
characteristics of optical fibers
• To learn about the various optical sources, detectors and transmission techniques
• To explore various idea about optical fiber measurements and various coupling techniques
• To enrich the knowledge about optical communication systems and network

SYLLABUS:

UNIT I:
OVERVIEW OF OPTICAL FIBER COMMUNICATION: Introduction, , optical fiber
waveguides, Ray theory, Total Internal Reflection, Acceptance angle, Numerical Aperture, Skew
rays, Cylindrical fibers- Modes, V-number, Mode coupling, Step Index fibers, Graded Index fibers,
Single mode fibers- Cut off wavelength, Mode Field Diameter, Effective Refractive Index,. Optical
Fibers: fiber materials, photonic crystal, fiber optic cables specialty fibers. Related problems

UNIT II:
TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS: Introduction,
Attenuation, absorption, scattering losses, bending loss, Core and Cladding losses, dispersion,
Intra modal dispersion, Inter modal dispersion,Related problems

UNIT III:
OPTICAL FIBER CONNECTORS: Connector types, Single mode fiber connectors,
Connector return loss, Fiber Splicing- Splicing techniques, Splicing single mode fibers, Fiber
alignment and joint loss- Multimode fiber joints, single mode fiber joints.

UNIT IV:
OPTICAL SOURCES AND DETECTORS: Introduction, LED’s, LASER diodes,
Quantum efficiency, Power, Modulation, Power bandwidth product. Photo detectors, principles of
PIN and APD detectors , Photo detector noise, Response time, double hetero junction structure,
comparison of photo detectors.

UNIT V:
POWER LAUNCHING: Source to fiber power launching - Output patterns, Power
coupling, Power launching, Equilibrium Numerical Aperture, Laser diode to fiber coupling,
Digital signal transmission, error sources, Receiver configuration, Digital receiver
performance, Quantum limit.

UNIT VI:
OPTICAL SYSTEM DESIGN: Point-to- point links- Component choice and
considerations, Link power budget, Rise time budget with examples, Line coding in Optical
links, WDM- Necessity& Principles, Eye pattern.

1
TEXT BOOKS: 1. Optical Fiber Communications by Gerd Keiser, Mc Graw-Hill
Internationaledition,3rdEdition,
2. Optical Fiber Communications by John M. Senior, PHI, 2nd Edition, 2002

REFERENCES: 1. Fiber Optic Communications – D.K. Mynbaev , S.C. Gupta and Lowell
L. Scheiner, Pearson Education,2005.
2. Text Book on Optical Fiber Communication and its Applications – S.C.Gupta, PHI, 2005.
3. Fiber Optic Communication Systems – Govind P. Agarwal , John Wiley, 3rd Ediition,
2004. 4. Fiber Optic Communications – Joseph C. Palais, 4th Edition, Pearson Education,
2004.

OUTCOMES:
On successful completion of the course, students will be ableto:
CO1. Apply knowledge to understand
· Mode theory of optical communication.
· Losses in optical fibers.
· Optical sources and detectors.
· Power Launching and coupling techniques.
· Optical links.
· WDM concepts.
· Optical Networks.
CO2. Analyze Problems in analog and Digital Links.
CO3. Design and Develop Optical Sources, Detectors and Links.
CO4. Provide valid solutions to overcome losses in optical fibers.
CO5. Select appropriate optical components to suit advanced optical communications and
Networks.
CO6. Assess and propose cost effective solutions to minimize the radiation hazards caused by
wireless links.

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