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extc sem8 ofc assignments .pdf


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Optical Fiber Communication (OFC
OFC)
Assignments
 Assignment No. 1
1. What are the advantages of optical fiber communication?
2. Derive the expression for NA of a step index fiber. What will happen to NA if
cladding is removed?
3. Discuss in brief single mode step index fiber & multimode step index fiber.
4. Write the short notes on:
i)
Linearly polarized modes
ii)
Propagation of optical signal through in GIF
5. Explain the following terms: i)
Total internal reflection
reflec
ii)
Acceptance angle
iii)
Critical Angle.

 Assignment No. 2
1. Describe the various methods of splicing individual fiber together. Enlist the desirable
requirements of good fiber conductor.
2. Compare the different methods of fabrication.
3. Explain any one fabrication in detail.
4. Explain the types of connectors used in optical fiber communication.
5. Short Note on: MCVD method.

 Assignment No. 3
1. What are the reason of signal attenuation in an optical fiber & explain them in brief.
2. Explain intermodal & intermodal dispersion in optical fiber .How does dispersion
affect the transmission BW of the optical fiber.
3. Explain the relationship between bit rate & bandwidth in OPC.
4. Explain the OTDR.
5. What are factors affecting the power loss in optical fiber? Explain in brief.
Please Contact for any correction or Update:
Update

Nilesh Deokar
9821540802

Bhushan Borole
9892703175

Ajinkya Jadhav
8097260574

 Assignment No. 4
1. Explain spontaneous & stimulated emission.
2. State the difference between LED LASER.
3. Describe the quantum efficiency & responsitivity of photo detector. Derive an
expression for the responsitivity of an intrinsic photo detector.
4. Briefly discuss the possible source LED with its structure & compare it with edge
emitting LED.
5. Short Note On:i.
Raman Amplifier
ii.
APD
iii.
Photo detector
iv.
PIN Diode

 Assignment No. 5
1. What are the possible sources of noise in optical fiber receiver in detail?
2. What are the various parameters required to find the performance of digital optical
receiver in detail.
3. Explain the working of optical receiver & derive the expression for output pulse.
4. Short Note:-Quantum
Quantum noise.
5. Compare the Dark current with optical current semiconductor.

 Assignment No. 6
1.
2.
3.
4.
5.

Explain the different techniques for measurement of Attenuation, dispersion in detail
Compare the coherent & non coherent optical transmission
What are the measurements techniques for NA of a fiber?
What iss Link power budget & rise time Budget?
Short Note:i.
WDM
ii.
Multiplexing of optical signals

Please Contact for any correction or Update:
Update

Nilesh Deokar
9821540802

Bhushan Borole
9892703175

Ajinkya Jadhav
8097260574


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