Note for Optical Fibre Communication - OFC By Sunil S Harakannanavar

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S. S. EDUCATION TRUST (R) S. G. BALEKUNDRI INSTITUTE OF TECHNOLOGY SHIVABASAV NAGAR BELAGAVI-10 OPTICAL FIBER COMMUNICATION [10EC72] Notes as per VTU Syllabus for VII Semester Electronics & Communication Engineering Mr. Sunil S Harakannanavar BE,M.tech (Control Systems) Assistant Professor Department Of Electronics & Communication Engineering S G Balekundri Institute Of Technology, Belagavi-10 Email: sunilsh143@gmail.com Mobile: 7411844948

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OPTICAL FIBER COMMUNICATION SEMESTER – VII (E&CE) 10EC72 IA Marks 04 Exam Hours 52 Exam Marks Subject Code Number of Lecture Hours/Week Total Number of Lecture Hours Course objectives: This course will enable students to:         25 03 100 Appreciate the construction and applications of optical fibers. Classify the transmission characteristics and identify the different losses in optical fibers. Explain the key transition process in LED and Laser diode. Summarize the functions of Fiber Splices, Connectors and Couplers. Inspect Eye pattern features and appreciate the use of optical receiver. Compare analog and digital links and evaluate total rise budget. Illustrate WDM Standards and examine optical adding and dropping wavelength. Classify optical amplifiers and networks and elaborate EDFA and SONET architecture. CHAPTERS CHAPTER 1 Teaching Hours (RBT)Level 07 Hours L1, L2, L3 06 Hours L1, L2, L3 06 Hours L1, L2, L3 06 Hours L1, L2, L3 06 Hours L1, L2, L3 08 Hours L1, L2, L3 (PART A) 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, and mode filed diameter. Optical Fibers: fiber materials, photonic crystal, fiber optic cables specialty fibers. CHAPTER 2 TRANSMISSION CHARACTERISTICS OF OPTICAL FIBERS: Introduction, Attenuation, absorption, scattering losses, bending loss, dispersion, Intra model dispersion, Inter model dispersion. CHAPTER 3 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. CHAPTER 4 FIBER COUPLERS AND CONNECTORS: Introduction, fiber alignment and joint loss, single mode fiber joints, fiber splices, fiber connectors and fiber couplers. CHAPTER 5 (PART B) OPTICAL RECEIVER: Introduction, Optical Receiver Operation, receiver sensitivity, quantum limit, eye diagrams, coherent detection, burst mode receiver, operation, and Analog receivers. CHAPTER 6 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, and transmission distance for single mode fibers, Power penalties, nodal noise and chirping.

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CHAPTER 7 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. 07 Hours L1, L2, L3 06 Hours L1, L2, L3 CHAPTER 8 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. Course Outcomes: At the end of the course, students will be able to:     Understand the advantages, disadvantages and applications of optical fibers. Understand the concept of WDM standards, active and passive networks. Understand the brief discussion of optical receivers. Understand the concept of SONET/SDH network services. Graduating Attributes (as per NBA)  Engineering Knowledge  Problem Analysis  Design / development of solutions (partly) Text Book: 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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