Video Lectures on "Optoelectronic Materials and Devices" by Prof. D.N.Bose, IITKGP

Video Lecture Series from IIT Professors :

Optoelectronic Materials and Devices by Prof. D.N.Bose sir

Prof. D.N. Bose

He is presently Scientific Adviser, Advanced Technology Center. He was formerly Professor, Materials Science Center, I.I.T Kharagpur from 1977 - 1985 and again in 1987 - 1997. He has also held teaching assignments at the E.C.E Dept., I.I.Sc Bangalore from (1970 - 1977); and at Virginia Tech U.S.A, (1985-86). He received his Ph.D. in Physics from University of Reading, U.K. in 1965. His Research Areas include: Bulk crystal growth, Epitaxy and PECVD; Surfaces & Interfaces; Solid state Ionics & Ferroelectrics; Optoelectronics, Lasers & Photodetectors. He was the recipient of the Ramlal Wadhwa Gold Medal of I.E.T.E 1984, and Fellow, Indian Academy of Sciences 1989. 

Course outline :The course deals with the following topics : Optical properties of semiconductors, MOVPE & MBE, strained layers, critical thickness, band-structure, photoconductivity - gain & bandwidth of photodetectors, p-n junction & p-i-n photodiodes, APDs, resonant cavity & quantum well photodetectors. Luminescence - Configuration coordinate diagram, LEDS-quantum efficiency and frequency response; Spontaneous & stimulated Emission, principle of SC laser- threshold current density & confinement factor, p-n homo, SH & DHJ lasers; DFB & DBR lasers; low dimensional effects - Quantum well lasers - advantages & performance. F-K & Stark effects; optical modulators- electro-optic & SEED, OEICs. Applications in Fibre-Optics, Remote sensing, IR Detection & Imaging. 



 

1. Introduction to Optoelectronics

2. Optical Processes in Semiconductors

3. Direct and Indirect Gap semiconductors

4. Heavy Doping Effects

5. Excitons and Lattice Vibrations

6. Electric and Magnetic Field effects

7. Excutons in Quantum wells

8. Luminescence in solids

9. Radiatne Recombination and Absorption

10. Recombination Mechanisms

11. Non Radiative Recombination

12. Auger and Surface Recombination

13. Fundamentals of Photodetectors

14. Background Fluctuations and Noise

15. Thermal Detectors and Noise

16. Quantum Detectors - 1 PE and PC

17. Quantum Detectors - 2 PE and PC

18. PIN Detectors

 19. Resonant cavity dectors

 20. Avalanche Photodiodes (APD)

 21. Quantum Well Infrared Detector

 22. Light Emitting Diodes - 1 (LEDs - 1)

 23. Light Emitting Diodes - 2 (LEDs - 2)

 24. Light Emitting Diodes - 3 (LEDs - 3)

 25. Semiconductor Lasers - 1

 26. Semiconductor Lasers - 2

 27. Threshold Current Density

 28. Confinement Factor

 29. Stripe Geometry Lasers

 30. Radiation and Device Fabrication

 31. Optical Emission Spectra

 32. Gain in Semiconductor Lasers

 33. DFB and DBR Lasers

 34. Vesels and Strained layers

 35. Quantum Confinement


 36. Quantum Confinement - II

 37. Quantum Well LASERs

 38. Seed Devices

 39. Quantum Well LASERs - II

 40. Electro Optic Modulators

 41. Electro Optic Modulators - II

 42. OEIC and Systems Applications