Previous Year Questions of OFC (B-TECH Electronics and Communication Engineering 7-8th)
Very Short Questions
Optical fiber communication
Previous year question paper with solutions for Optical fiber communication
PTU • B-TECH • Electronics and Communication Engineering • 7-8th
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
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Frequently Asked Questions
Answers about this subject, its syllabus, and solved questions.
01 Where can I find optical fiber communication previous year question papers for Bachelor of Technology Electronics and Communication Engineering, 7-8th semester?
This page lists optical fiber communication question papers uploaded for Punjab Technical University Bachelor of Technology Electronics and Communication Engineering, 7-8th semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year optical fiber communication papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does optical fiber communication usually cover?
The question papers here relate to the optical fiber communication syllabus set by the university for this course and semester, which typically includes topics such as optical fiber types, light propagation, and optical transmitters and receivers.
05 Does this page include a optical fiber communication question bank with answers or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology Electronics and Communication Engineering?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology Electronics and Communication Engineering.