Optical Communication And Networks Question Paper - Dec 17 - Electronics And Telecomm (Semester 7)

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yashbeer ★ 11k

Optical Communication And Networks - Dec 17

Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question No. 1 is compulsory.
(2) Attempt any three from remaining five questions.

1(a) Define Fresnel Reflection. Numerical Aperture and V-number.

(5 marks) 925 924

1(b) Differentiate APD and PIN code.

(5 marks) 957

1(c) Define Splicing. Mention its types and limitations.

(5 marks) 00

1(d) Define Four Wave Mixing (FWM).

(5 marks) 00

2(a) Explain OTDR working principle in detail. Mention its limitation.

(10 marks) 948

2(b) Discuss different types of Dispersion in optical fiber.

(5 marks) 942

2(c) What is DWDM? Mention its advantages and disadvantages.

(5 marks) 970

3(a) Explain in brief any two Fiber Fabrication Techniques.

(10 marks) 935 936

3(b) Explain working principle of LASER source used in optical fiber communication.

(5 marks) 955

3(c) Compare Circulator and Isolators.

(5 marks) 972

4(a) Derive an expression for Link Power Budget Analysis of optical fiber.

(7 marks) 962

4(b) Explain EDFA amplifier. Mention its advantages.

(8 marks) 00

4(c) Explain Macro Bending loss.

(5 marks) 947

5(a) Explain Optical Safety and Cross talk.

(10 marks) 982

5(b) Derive an expression for power penalty with Impairement.

(10 marks) 00

Q6) Write notes on:(Any two)

(20 marks)

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