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problem 1) Why LASER is favoured over LED? How the Line-width of LASER diode play the significant role in minimizing the dispersion effect?

problem 2) What do you mean by SOA and various kinds of SOA amplifiers? Describe in detail. Compare the performance of TWA- and FPA- amplifiers.

problem 3) What are the various kinds of non-linear affects in optical communication systems? How Four Wave Mixing affects performance of the optical transmission system and describe various techniques used to reduce the Four Wave Mixing.

problem 4) Describe Pre compensation and post compensation dispersion management techniques used in optical communication system.

problem 5) How a Soliton pulse is generated? Describe in detail. How a loss managed and high speed-Soliton systems are carried out?

problem 6) Sketch a block diagram of optical receiver and discuss the Noise Mechanism in Optical Receiver? Compare the performance of P-i-N-and Avalanche- photo-detectors.

problem 7) prepare down the difference between WDM and DWDM optical communication system? Describe the chirping and significance of Chirp Parameter in reducing the dispersion in SMF fiber?

problem 8)(a) How Fiber Bragg Grating helps in reducing dispersion effects in optical communication system?

(b) A SMF fiber is measured to have λ2(d2/d λ2) = 0.02 at 800nm. Compute the dispersion parameters D and β2.

Electrical & Electronics, Engineering

• Category:- Electrical & Electronics
• Reference No.:- M99586

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