STUPIDSID
1 (a)
Explain the elements of an optical fiber transmission link with the functional
description of each block.
7 M
1 (b)
Mention the advantages and applications of optical fiber communications.
7 M
2 (a)
Compare step index fibers and graded index fibers.
7 M
2 (b)
Compare Ray theory and Electromagnetic mode theory for light propagation
through fiber.
7 M
2 (c)
Explain the fiber fabrication technique along with the schematic of a fiber
drawing apparatus.
7 M
3 (a)
Explain the principle, characteristics and operation of avalanche photodiode.
7 M
3 (b)
List the types of Light Emitting Diodes used in optical system and explain any
one of them with required figure.
7 M
3 (c)
Discuss the various dispersion mechanisms that contribute to pulse broadening during the fiber transmission.
7 M
3 (d)
Discuss briefly the distributed-feedback(DFB) laser diode with neat sketch.
7 M
4 (a)
Write the differences between LEDs and LASERs.
7 M
4 (b)
Discuss optical power loss model for a point to point link.
7 M
4 (c)
What are Eye diagrams? Explain different eye pattern features with diagrams.
7 M
4 (d)
Explain (1) fusion splicing, (2) V-grove splicing.
7 M
5 (a)
Explain Semiconductor optical Amplifiers (SOAS).
7 M
5 (b)
Write short notes on Synchronous Optical Fiber Networks(SONET).
7 M
5 (c)
Explain Optical Time Domain Reflectometry (OTDR) method with its benefits over other techniques.
7 M
5 (d)
Write a brief note on Optical Couplers.
7 M
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