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Total No. of Questions : 05
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ESS-197
B.Tech. (New Scheme) Examination, 2025
(Sixth Semester)
FIBRE OPTICS COMMUNICATION
EL-604
Core Elective-II
Time : 3 Hours
[Maximum Marks : 60
Note : All questions are compulsory Each question carry equal marks.
(a) Explain in detail the theory of nature of light.
(b) Compare between Ray model and Wave model.
Or
(a) Describe in detail propagation of light in a cylindrical rod.
(b) Explain in detail the vector nature of light.
(a) Explain in detail the different types of optical fiber.
(b) Explain measurement techniques OTDR.
Or
(a) Explain in detail various reasons of signal degradation on optical fiber.
(b) Explain in detail fabrication of fiber.
(a) Describe LASER structure with a neat diagram.
(b) Describe the construction and working principle of PIN-Diode.
Or
(a) Explain in detail the principle of optical sources.
(b) Discuss the spontaneous emission and population inversion.
(a) Explain in detail electro-optics switches.
(b) Describe in detail Roman Amplifier.
Or
(a) Explain in detail optical switches.
(b) Explain in detail principle of EDFA.
(a) Explain in detail DWDM systems.
(b) Explain in detail soliton based communication.
Or
(a) Explain in detail WDM system.
(b) Explain the concept of self-phase modulation.