Previous year question paper for OFC (B-TECH electronics and communication engineering 7-8th)

Optical fiber communication

Previous year question paper with solutions for Optical fiber communication from 2007 to 2018

Our website provides solved previous year question paper for Optical fiber communication from 2007 to 2018. Doing preparation from the previous year question paper helps you to get good marks in exams. From our OFC question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

1. Introduction: Need of Fiber Optic Communications, Evolution of Light wave

Systems, Basic Concepts; Analog & Digital Signals, Channel Multiplexing, Modulation

Formats, Optical Communication Systems, Light wave System Components; Optical

Fibers as a Communication Channel, Optical Transmitters, Optical Receivers.

2. Optical Fibers: Geometrical-Optics Description; Step-Index Fibers, Graded Index

Fibers, Wave Propagation; Maxwell’s Equations, Fiber Modes, Single-Mode-Fibers,

Dispersion in Single-Mode Fibers; Group Velocity Dispersion, Material Dispersion,

Wave guide Dispersion, Higher-order Dispersion, Polarization-Mode Dispersion,

Dispersion-Induced Limitations; Basic Propagation Equation, Chirped Gaussian

Pulses, Limitations on the Bit Rate, Fiber Bandwidth , Fiber Losses; Attenuation

Coefficient, Material Absorption, Rayleigh Scattering, wave guide Imperfections,

Nonlinear Optical effects; Stimulated Light Scattering, Nonlinear Phase Modulation,

Four Wave Mixing, Fiber Manufacturing; Design Issues, Fabrication Methods, Cables

and Connectors

3. Optical Transmitters: Basic Concepts; Emission and Absorption Rates, p-n

Junctions, Non radiative Recombination, Semi conductor Materials, Light Emitting

Diodes; Power-current Characteristics, LED spectrum, Modulation Response, LED

Structures, Semi Conductor Lasers; DFB Lasers, Coupled Cavity semiconductor

Lasers, Tunable Semiconductor Lasers, Vertical Cavity Semiconductor Lasers, Laser

Characteristics, Small & Large Signal Modulation, Spectral Line width, Source Fiber

Coupling.

4. Optical Receivers: Basic concepts, p-n Photo Diodes, p-i-n Photo Diodes,

Avalanche Photo Diode, MSM Photo detector, Receiver Design, Receiver Noise;

Noise mechanism, Receiver sensitivity; Bit error rate, Minimum Receiver Power,

Sensitivity Degradation, Receiver Performance.

5. Light Wave Systems: System Architecture, Loss limited Light wave systems,

Dispersion limited Light wave systems, Power Budget, Long Haul systems, Sources

of Power Penalty; Model Noise, Dispersive Pulse Broadening, Mode Partition Noise,

Frequency Chirping, Reflection Feedback Noise.

6. Multi channel Systems: WDM Light wave systems, Optical TDM

2018
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