FIBER OPTIC COMMUNICATION COMMUNICATION Course Code:
BTE 702
Credit Units: 03
Course Objective: The objective of this course is to introduce the student to the fundamental basics and understanding of fiber optical communication. This includes the properties of optical fibers and how are they used to establish optical links for communication systems.
Prerequisite: Communication System, Electronics Devices & Circuit. Course Contents: Module I: Introduction Different generations of optical fiber communication systems, Optical fiber structure, Propagation of light- total internal reflection, acceptance angle and numerical aperture Module II: Fiber Properties Step-index, Graded-index, Single and Multimode fibers, Signal degradation due to attenuation and dispersion, fiber splicing, fiber connectors, connection losses, fiber couplers, fiber fabrication. Module III: Optical Sources LED-spontaneous emission- material used in LED, LED efficiency, surface emitting LED, edge emitters, Structure of various LED’s, LASER: stimulated emission, Laser diodes. Module IV: Photo Detectors Characteristics of photo detector, direct and indirect band gap semiconductors, homo junction and hetro junction photodiodes, p-i-n photodiode, avalanche photodiode, phototransistor, optocouplers. Module V: Fiber Optic Communication System Basic communication components, coupling to and from the fiber, multiplexing and coding, repeaters, bandwidth and rise time budgets, noise, bit error rate and eye pattern. Module VI: Optical Networks Network Topologies, SONET/SDH, Optical switching, WDM systems, Fiber optic sensors.
Learning Outcomes: (Scientific foundation) When faced with a technical problem the student should be able to use applied scientific knowledge 1A: to identify and implement relevant principles of mathematics and computer science. 1 B: to identify and implement relevant principles of physics and chemistry 1 C: to identify and implement relevant principles of engineering science (Tools) an ability to use the relevant tools necessary for engineering practice. (Technical design) the technical ability to design a prescribed engineering sub-system (Design assessment) the ability to develop and assess alternative system designs based on technical and nontechnical criteria 5A: to define overall needs and constraints. 5B: to assess the social and environmental requirements of the system and its impact on the global society.
Examination Scheme: Components A CT S/V/Q HA EE 5 10 8 7 70 Weightage (%) CT: Class Test, HA: Home Assignment, S/V/Q: Seminar/Viva/Quiz, EE: End Semester Examination; Att: Attendance
Text & References: Optical fiber Communications : Principles and practice by John M.Senior, 3 rd Edition, 2010, Pearson education th Optical Fiber Communication by Gerd Keiser, 5 Edition, 2013, Tata McGraw Hills rd Fiber Optic Communications Technology by Djafar K Mynbaev & Lowell L Scheiner, 3 Edition, 2008, Pearson Education. J. Gowar, Optical communication systems by J. Gowar, 2nd Edition, 2001, Prentice-Hall of India. Fiber-Optic Communication Systems by Govind P. Agrawal, 3 rd Edition, 2007, Wiley India.
