Exam Details
| Subject | Opto Electronics Communication Systems | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages: 3 IBIELE-OOSI
B.Tech. -VIEP -ELECTRONICS AND COMMUNICATION ENGINEERING (BTECVI)
Term-End Examination
00636 June, 2016
BIELE-008 OPTO ELECTRONICS
COMMUNICATION SYSTEMS
Time: 3 hours Maximum Marks: 70
Note: Attempt any seven questions. All questions carry equal marks. Missing data, if any, may be suitably assumed. Use of scientific calculator is permitted.
1. Briefly explain the different attenuation mechanisms in optical fibers. 10
2. Define the following terms related to optical fibers
Cone of Acceptance
Acceptance Angle 5
Compare dispersion shifted and dispersion flattened fibers. 5
3. Explain the following terms 2x5=10
Self-phase modulation
Concept of V-number
4. Define the following terms related to optical fibers 5
Absorption Losses
Scattering Losses
An LED with spectral width of 17 nm is used as an optical source. Determine the material dispersion in optical fiber of length 20 km, if pulse spreading rate at the output is 1.76 ns/km. 5
5. Discuss the following terms related to optical source Light-Emitting Diode
Excitation process
Recombination process
Photon-extraction process
6. With the help of a neatly labelled diagram, explain the operating principle of a Laser Diode. 10
7. Derive expressions for the following parameters for a PN Detector: 4+6=10
Quantum Efficiency
Responsivity and Sensitivity
8. With the help of a Laser Diode structure, briefly explain its switching and modulation characteristics. 5+5=10
9. Explain the amplification process in optical fibers using semi-conductor amplifier.
10. Write short notes on any two of the following: 2x5=10
Brillouin Amplifier
Intermodulation Effects
Saturation Induced Crosstalk
B.Tech. -VIEP -ELECTRONICS AND COMMUNICATION ENGINEERING (BTECVI)
Term-End Examination
00636 June, 2016
BIELE-008 OPTO ELECTRONICS
COMMUNICATION SYSTEMS
Time: 3 hours Maximum Marks: 70
Note: Attempt any seven questions. All questions carry equal marks. Missing data, if any, may be suitably assumed. Use of scientific calculator is permitted.
1. Briefly explain the different attenuation mechanisms in optical fibers. 10
2. Define the following terms related to optical fibers
Cone of Acceptance
Acceptance Angle 5
Compare dispersion shifted and dispersion flattened fibers. 5
3. Explain the following terms 2x5=10
Self-phase modulation
Concept of V-number
4. Define the following terms related to optical fibers 5
Absorption Losses
Scattering Losses
An LED with spectral width of 17 nm is used as an optical source. Determine the material dispersion in optical fiber of length 20 km, if pulse spreading rate at the output is 1.76 ns/km. 5
5. Discuss the following terms related to optical source Light-Emitting Diode
Excitation process
Recombination process
Photon-extraction process
6. With the help of a neatly labelled diagram, explain the operating principle of a Laser Diode. 10
7. Derive expressions for the following parameters for a PN Detector: 4+6=10
Quantum Efficiency
Responsivity and Sensitivity
8. With the help of a Laser Diode structure, briefly explain its switching and modulation characteristics. 5+5=10
9. Explain the amplification process in optical fibers using semi-conductor amplifier.
10. Write short notes on any two of the following: 2x5=10
Brillouin Amplifier
Intermodulation Effects
Saturation Induced Crosstalk
Other Question Papers
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication