CEC345 Optical Communication and Networks Syllabus:
CEC345 Optical Communication and Networks Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
● To Study About The Various Optical Fiber Modes, Configuration Of Optical Fibers
● To Study 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 Networks.
UNIT-I INTRODUCTION TO OPTICAL FIBER COMMUNICATION
Introduction – The General Systems – Advantages of Optical Fiber Communication- Ray Theory Transmission : Total Internal Reflection, Acceptance Angle, Numerical Aperture, Skew Rays – Electromagnetic Mode Theory for Optical Propagation: Modes in a Planar Guide, Phase and group velocity – Cylindrical Fiber: Step index fibers, Graded index fibers – Single mode fibers: Cutoff wavelength.
UNIT-II TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS
Attenuation – Material absorption losses in silica glass fibers: Intrinsic absorption, Extrinsic absorption – Linear scattering losses: Rayleigh Scattering, Mie Scattering -Nonlinear scattering losses: Stimulated Brillouin Scattering, Stimulated Raman Scattering – Fiber Bend Loss – Dispersion- Chromatic dispersion: Material dispersion, Waveguide dispersion- Intermodal dispersion : Multimode step index fiber, Multimode graded index fiber.
UNIT-III OPTICAL SOURCES AND OPTICAL DETECTORS
The laser : Introduction – Basic concepts: Absorption and emission of radiation, Population inversion , Optical feedback and laser oscillation, Threshold condition for laser oscillation- Optical emission from semiconductors: The PN junction, Spontaneous emission, Carrier recombination, Stimulated emission and lasing, Hetero junctions- LED: Introduction- Power and Efficiency – LED structures: Planar LED, Dome LED, Surface emitter LED, Edge emitter LED- LED Characteristics. Optical Detectors:Introduction ,Optical Detection Principles, Quantum Efficiency, Resposivity, PN Photodiode ,P-I-N Photo Diode and Avalanche Photodiode.
UNIT-IV OPTICAL FIBER MEASUREMENTS
Introduction- Total Fiber Attenuation Measurement, Fiber Dispersion Measurements In Time Domain and Frequency Domain, Fiber Cut off Wavelength Measurements, Numerical Aperture Measurements. Fiber Diameter Measurements,.Reflectance And Optical Return Loss, Field Measurements
UNIT-V OPTICAL NETWORKS
Introduction- Optical Network Concepts: Optical Networking Terminology, Optical Network Node And Switching Elements, Wavelength Division Multiplexed Networks, Public Telecommunications Network Overview- Optical Network Transmission Modes, Layers And Protocols: Synchronous Networks, Asynchronous Transfer Mode, Open System Interconnection Reference Model, Optical Transport Network, Internet Protocol- Wavelength Routing Networks: Routing And Wavelength Assignment- Optical Switching Networks: Optical Circuit Switched Networks, Optical Packet Switched Networks, Multiprotocol Label Switching, Optical Burst Switching Networks- Optical Network Deployment : Long Haul Networks, Metropolitan area networks, Access networks, Local Area Networks- Optical Ethernet: Network protection, restoration and survivability.
TOTAL: 45 PERIODS
COURSE OUTCOMES
At the end of the course, the student will be able to understand the
CO1:Realize Basic Elements In Optical Fibers, Different Modes And Configurations.
CO2:Analyze The Transmission Characteristics Associated With Dispersion And Polarization Techniques.
CO3:Design Optical Sources And Detectors With Their Use In Optical Communication System.
CO4:Construct Fiber Optic Receiver Systems, Measurements And Techniques.
CO5:Design Optical Communication Systems And Its Networks.
TEXT BOOKS:
1. John M.Senior, “Optical Fiber Communication”, Pearson Education, Fouth Edition.2010.
REFERENCES:
1. Gred Keiser,”Optical Fiber Communication”, McGraw Hill Education (India) Private Limited. Fifth Edition, Reprint 2013.
2. Govind P. Agrawal, “Fiber-Optic Communication Systems”, Third Edition, John Wiley & Sons, 2004.
3. J.Gower, “Optical Communication System”, Prentice Hall Of India, 2001
4. Rajiv Ramaswami, “Optical Networks “ , Second Edition, Elsevier , 2004.
5. P Chakrabarti, “Optical Fiber Communication”, McGraw Hill Education (India)Private Limited, 2016