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 | December, 2015 | |
| City, State | new delhi, |
Question Paper
1. Explain the operation of a typical optical fiber communication system with the help of a neatly labelled block diagram. What are the advantages of an optical fiber communication system?
2. Mathematically give the solution of Maxwell's equation in a circularly symmetric step-index optical fiber.
3. Explain the phenomenon of dispersion in single-mode and multi-mode fibers. Define the term polarization. How is it maintained in fibers?
Classify optical fibers on the basis of fiber mode and refractive index variation.
Calculate the maximum allowable radius of a single-mode fiber with nl 1·53 and n2 1·5 operating at a wavelength of 1300nm.
5. Explain the operating principle of a light-emitting diode with the help of a neatly labelled diagram.
6. Derive the expression for the following terms for an avalanche photodiode
Responsivity
Sensitivity
Quantum Efficiency
7. Calculate the maximum 3-dB bandwidth for a silicon photodiode with a 25 um depletion layer width and with a carrier velocity of 3 x 10^4 m/s.
8. Explain the operation of Raman amplifier in the amplification of optical signals.
9. Differentiate between low-impedance and high-impedance pre-amplifiers used in optical fiber systems.
10. Write short notes on any two of the following:
Kerr Non-linearity
Trans-impedance Receivers
Graded Index Fibers
2. Mathematically give the solution of Maxwell's equation in a circularly symmetric step-index optical fiber.
3. Explain the phenomenon of dispersion in single-mode and multi-mode fibers. Define the term polarization. How is it maintained in fibers?
Classify optical fibers on the basis of fiber mode and refractive index variation.
Calculate the maximum allowable radius of a single-mode fiber with nl 1·53 and n2 1·5 operating at a wavelength of 1300nm.
5. Explain the operating principle of a light-emitting diode with the help of a neatly labelled diagram.
6. Derive the expression for the following terms for an avalanche photodiode
Responsivity
Sensitivity
Quantum Efficiency
7. Calculate the maximum 3-dB bandwidth for a silicon photodiode with a 25 um depletion layer width and with a carrier velocity of 3 x 10^4 m/s.
8. Explain the operation of Raman amplifier in the amplification of optical signals.
9. Differentiate between low-impedance and high-impedance pre-amplifiers used in optical fiber systems.
10. Write short notes on any two of the following:
Kerr Non-linearity
Trans-impedance Receivers
Graded Index Fibers
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
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