#1
June 27th, 2016, 08:36 AM
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Optical Communication RGPV
Hello sir I want to prepare for BE in Optical Communication exam in RGPV and here want question paper for practice so can you please give me its details ?
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#2
June 27th, 2016, 10:41 AM
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Re: Optical Communication RGPV
Hey as per your demand here I am providing you question paper for BE in Optical Communication exam Syllabus Unit-I Overview of Optical Fiber Communications (OFC): Motivation, optical spectral bands, key elements of optical fiber systems. Optical fibers: basic optical laws and definitions, optical fiber modes and configurations, mode theory for circular waveguides, singlemode fibers, graded-index fiber structure, fiber materials, photonic crystal fibers, fiber fabrication, fiber optic cables. Unit-II Optical sources: Light emitting diodes (LEDs): structures, materials, quantum efficiency, LED power, modulation of an LED. Laser diodes: modes, threshold conditions, laser diode rate equations, external quantum efficiency, resonant frequencies, structure and radiation patterns, single mode lasers, modulation of laser diodes. Power launching and coupling: source to fiber power launching, fiber to fiber joints, LED coupling to single mode fibers, fiber splicing, optical fiber connectors. Unit-III Photodetectors: pin photodetector, avalanche photodiodes, photodetector noise, detector response time, avalanche multiplication noise. Signal degradation in optical fibers: Attenuation: units, absorption, scattering losses, bending losses, core and cladding losses. Signal distortion in fibers: overview of distortion origins, modal delay, factors contributing to delay, group delay, material dispersion, waveguide dispersion, polarization-mode dispersion. Characteristics of single mode fibers: refractive index profiles, cutoff wavelength, dispersion calculations, mode field diameter, bending loss calculation. Specialty fibers. Unit-IV Optical receivers: fundamental receiver operation, digital receiver performance, eye diagrams, coherent detection: homodyne and heterodyne, burst mode receiver, analog receivers. Digital links: point to point links, link power budget, rise time budget, power penalties. Analog links: overview of analog links, carrier to noise ratio, multichannel transmission techniques. Unit-V Optical technologies Wavelength division multiplexing (WDM) concepts: operational principles of WDM, passive optical star coupler, isolators, circulators, Active optical components: MEMS technology, variable optical attenuators, tunable optical filters, dynamic gain equalizers, polarization controller, chromatic dispersion compensators. Optical Communication paper ![]() ![]() ![]() Address Rajiv Gandhi Prodyogiki Vishwavidyalaya, MP (University of Technology of Madhya Pradesh) Airport Bypass Road, Gandhi Nagar, Bhopal – 462 036 |
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