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B. Tech - III(EC), Semester - VI L T P C  
EC 308: FIBER OPTICS COMMUNICATION(NEW) 4 0 2 5  
COURSE OUTCOME:
Students will get the knowledge about the light source, detectors, and different types of fibers. They will be awarded with the linear and nonlinear properties of fiber. They will understand the phenomenon of fiber optic communications for single channel and multi channel systems in detail. They can design the loss limited and dispersion limited optical systems.
SYLLABUS:
• INTRODUCTION TO FIBER OPTIC COMMUNICATION
(07 Hours)
Nature Of Light, Basic Optical Laws, Propagation Of Light In Fiber, Elements Of Fiber Optic Communication, Optical Spectrum, Wavelengths, Frequencies, Channel Spacing, Optical Power, Types of Optical Fiber, Fiber Fabrication, Fiber Cables.
• SIGNAL DEGRADATION IN OPTICAL FIBERS
(08 Hours)
Degradation Of Signals In Optical Fiber, Attenuation, Absorption Losses, Scattering Losses, Bending Losses, Effect Of Dispersion On Pulse Transmission, Intermodal Dispersion, Dispersion, Waveguide Dispersion, Total Dispersion And Maximum Transmission Rates, Nonlinear Effects In Fiber.
• OPTICAL SOURCES
(06 Hours)
Basic Structure, Principle And Operation of Light Emitting Diode, Laser Diode, Comparison Between LED And ILD.
• POWER LAUNCHING & COUPLING
(06 Hours)
Source To Fiber Power Launching, Lensing Schemes, Fiber To Fiber Joints, Connectors, Splicing.
• DIGITAL LINKS
(03 Hours)
Concept Of Digital Link, Point To Point Link, System Design Considerations, Link Power Budget, Rise Time Budget, Power Penalty.
• PHOTO DETECTORS AND RECEIVER SYSTEM
(05 Hours)
PIN Photodiode, Avalanche Photodiode, Comparison Between PIN Photodiode And APD, Fundamental Receiver Operation, Receiver Sensitivity, System Performance Evaluation Criteria, Eye Diagram, BER, OSNR, And Q-Factor.
• WDM CONCEPTS AND COMPONENTS
(08 Hours)
Principles Of WDM, WDM System Configuration, Types of WDM System, WDM Components, Applications of WDM Systems.
• OPTICAL AMPLIFIERS
(03 Hours)
Principle Of Optical Amplification, Erbium—Doped Fiber Amplifiers, Raman Amplifiers, Semiconductor Optical Amplifiers.
• MEASUREMENTS
(06 Hours)
Refractive Index Measurements, Attenuation Measurement, Dispersion Measurement, OTDR Field Applications.
(Total Contact Time:66 Hours)
PRACTICALS
01) Introduction To FOT Kit.
02) Setting Of Fiber Optic Analog Link Using OFT Kit.
03) Setting Of Fiber Optic Digital Link Using OFT Kit.
04) Finding The Losses And NA For Given Optical Fiber Using OFT Kit.
05) Study Of The,Light Source And Power Meter.
06) Plotting The Characteristics Of LED And Photo Transistor.
07) Introduction To Photonics CAD 1.6.
08) Performance Analysis Of Single Channel Fiber Optic Communication Link Using Photonics CAD 1.6.
09) Performance Analysis Of Multichannel WDM Link Using Photonics CAD 1.6.
10) Mini Project.
BOOKS RECOMMENDED
1. Gerd Kaiser, "Optical Fiber Communication", McGraw Hill, 41h Ed., 2008.
2. Senior J. M., "Optical Fiber Communication - Principle And Practice", PHI, 2nd Ed., 15th Indian Reprint, 2003.
3. Agrawal G.P., "Fiber Optic Communication Systems", John Wiley & Sons, 4th Ed., 2010.
4. Mynbave and Scheiner, "Fiber Optics Communications Technology", Pearson Education Ed.s, is Indian Reprint, 2001.
5. Ramaswami Rajiv and Sivarajan K. N., "Optical Networks A Practical Perspective", Elsevier, Morgan Kaufmann Publishers, 3rd Ed:, 2009.