Optical Communication & Networks for BE Anna University R21CBCS (V, VI (Vertical VIII - ECE - CEC345))

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Syllabus Optical Communication & Networks - (CEC345) 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. (Chapter - 1) 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. (Chapter - 2) 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, P-N Photodiode, P-I-N Photo Diode and Avalanche Photodiode. (Chapter - 3) 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. (Chapter - 4) 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. (Chapter - 5)

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Pages: 244 Edition: 2023 Vendors: Technical Publications