06EC72 - OPTICAL FIBER COMMUNICATION |
PART – A |
UNIT – I |
OVERVIEW OF OPTICAL FIBER COMMUNICATION: Introduction,
Historical development, general system, advantages, disadvantages, and
applications of optical fiber communication, optical fiber waveguides, Ray
theory, cylindrical fiber (no derivations in article 2.4.4), single mode fiber,
cutoff wave length, mode filed diameter. Optical Fibers: fiber materials,
photonic crystal, fiber optic cables specialty fibers. |
UNIT – II |
TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS:
Introduction, Attenuation, absorption, scattering losses, bending loss,
dispersion, Intra model dispersion, Inter model dispersion. |
UNIT – III |
OPTICAL SOURCES AND DETECTORS: Introduction, LED’s, LASER
diodes, Photo detectors, Photo detector noise, Response time, double hetero
junction structure, Photo diodes, comparison of photo detectors. |
UNIT – IV |
FIBER COUPLERS AND CONNECTORS: Introduction, fiber alignment
and joint loss, single mode fiber joints, fiber splices, fiber connectors and
fiber couplers. |
PART – B |
UNIT – V |
OPTICAL RECEIVER: Introduction, Optical Receiver Operation, receiver
sensitivity, quantum limit, eye diagrams, coherent detection, burst mode
receiver, operation, Analog receivers |
UNIT – VI |
ANALOG AND DIGITAL LINKS: Analog links – Introduction, overview
of analog links, CNR, multichannel transmission techniques, RF over fiber,
key link parameters, Radio over fiber links, microwave photonics.
Digital links – Introduction, point–to–point links, System considerations, link
power budget, resistive budget, short wave length band, transmission distance
for single mode fibers, Power penalties, nodal noise and chirping. |
UNIT – VII |
WDM CONCEPTS AND COMPONENTS: WDM concepts, overview of
WDM operation principles, WDM standards, Mach-Zehender interferometer,
multiplexer, Isolators and circulators, direct thin film filters, active optical
components, MEMS technology, variable optical attenuators, tunable optical
fibers, dynamic gain equalizers, optical drop multiplexers, polarization
controllers, chromatic dispersion compensators, tunable light sources. |
UNIT – VIII |
Optical Amplifiers and Networks – optical amplifiers, basic applications and
types, semiconductor optical amplifiers, EDFA.
OPTICAL NETWORKS: Introduction, SONET / SDH, Optical Interfaces,
SONET/SDH rings, High – speed light – waveguides. |
REFERENCE |
TEXT BOOKS: |
1. "Optical Fiber Communication”, Gerd Keiser, 4th Ed., MGH,
2008.
2. "Optical Fiber Communications", John M. Senior, Pearson
Education. 3rd Impression, 2007. |
Reference Books |
1. Fiber Optic Communication - Joseph C Palais: 4th Edition,
Pearson Education. |
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