Fiber Optic Communication for GTU 18 Course (VI- Elex./ECE/Prof. Elec.-II - 3161005)

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1. Overview of Optical fiber Communications : Electromagnetic spectrum, Optical spectral bands, Evolution of fiber optic system, Multiplexing techniques, Elements of an optical fiber transmission link with the functional description of each block, WDM concepts, Transmission widows, Advantages of optical fiber link over conventional copper systems, Applications of fiber optic transmission systems. (Chapter - 1) 2. Optical fibers : Structures, Waveguiding and Fabrication : Optical laws and definitions, Optical fiber modes and configurations, Mode theory, Step index and graded index (GI) fibers, Single mode and graded index fibers, Derivation for numerical aperature, V number and modes supported by step index fiber, Mode field, Numerical aperture and modes supported by GI fibers, Fiber materials, Lineraly polarized modes fiber fabrication techniques and mechanical properties of fibers, Fiber optic cables. (Chapter - 2) 3. Signal Degradation in Optical Fibers : Attenuation, Signal distortion in optical waveguides, Pulse broadening in graded index fiber, Characteristics of single mode fibers, Mode coupling , International standards for optical transmission fibers. (Chapter - 3) 4. Optical Sources : Semiconductor physics background, Light emitting diode (LEDs) - structures, Materials, Figure of merits, Characteristics and modulation. Laser diodes - Modes and threshold conditions, Diode rate equations, resonant frequencies, Structures, Characteristics and figure of merits single mode lasers, Modulation of laser diodes, Spectral width temperature effects and light source linearly. (Chapter - 4) 5. Power Launching and Coupling : Source to fiber power launching, Lensing schemes, Fiber-to-fiber joints, LED coupling to single mode fibers, Fibers, Fiber splicing, Optical fiber connectors. (Chapter - 5) 6. Photodectors : Principles of operation, Types, Characteristics, Figure of

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Pages: 320 Edition: 2023 Vendors: Technical Publications