Page 62 - CatalogNEP-PS

 analyse various premises, approaches procedures and results related to optoelectronic
systems,
 use optical fibre equipment, and data transfer using optical fiber.
 conduct experiments and measurements in laboratory and on real components, devices,
and equipment of optoelectronic systems, 6. interpret the acquired data and measured
results,
 describe development and application of optoelectronic systems
 take part in team work and be able to independently present various professional materials.

THEORY(45 Hours)

UNIT 1 (15 Hours)

Optical sources. Radiation and amplification. Optical gain. Optical amplifiers.
Injection luminescence: Recombination processes, the spectrum of recombination radiations,
Direct and Indirect band gap Semiconductors, The Internal Quantum Efficiency, The External
Quantum Efficiency
The basic principles of laser actions: spontaneous and stimulated emission and absorption, the
condition for the laser action, Types of laser, Semiconductor lasers; Theory of Laser action in
Semiconductors, condition for gain, The threshold conditions for oscillations, rates of spontaneous
and stimulated emission, effect of refractive index, calculation of the gain coefficients, relation of
the gain coefficient to current density, Semiconductor Injection Laser :Efficiency, Stripe geometry
LED materials, commercial LED materials, LED construction, Response time of LED‘s, LED
derive circuitry.

UNIT 2 (15 Hours)
Optical Detectors: Introduction, Device types, Optical Detection. Principles, Absorption, quantum
efficiency, Responsivity, Long wavelength cut off, Photoconductive Detectors, Characteristics of
photoconductive materials. Solar cell, Holography and its applications, Liquid crystal displays
The Optical Fiber, Multimode and Single Mode Fibers, Glass Fibers, Plastic Optical Fibers, Fiber-
Optic Bundle, Fabrication of Optical Fibers ,Preform fabrication, Fiber Fabrication ,Free Space
Optics
UNIT 3 (15 Hours)

Junction Detectors: detectors performance parameters Semiconductors p-i-n diodes, General
Principle, quantum efficiency, Materials and design for p-i-n photodiodes. Impulse & frequency
response of p-i-n photodiodes. Avalanche photodiodes detectors. The multiplication process,
Avalanche photodiodes (APD) design, APD bandwidth, phototransistors
Circuits for signal conditioning of optoelectronic sensors.
Electro-optic and opto-electric transducers. Optical bistability., Optoelectronic integrated circuits.
Optical fiber telecommunication. Optical signal processing and computing.
Photonic crystal nanostructures and Nanoplasmonics

*
Tutorial(15 Hours) one hour per week
SUGGUESTED READINGS:

1. Optical communication systems. John Gowar (Prentice Hall of India Pvt.Ltd.New
Delhi1987.)
2. Optical fibre communications-Principles and practice John. M. Senior. Prentice
HallInternational (1985)
3. Optoelectronics-An Introduction(Second edition) J.Wilson. , J.F.B Hawkes Prentice
HallInternational (1989).

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