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Semiconductor Optoelectronics

By Prof. M. R. Shenoy   |   IIT Delhi
Learners enrolled: 2386
This course introduces the students to the field of Semiconductor Optoelectronics, which deals with the physics and technology of semiconductor optoelectronic devices such as light emitting diodes, laser diodes and photodiodes, which are becoming important components in consumer optoelectronics, IT and communication devices, and in industrial instrumentation. Assuming a general science/engineering undergraduate level background, the course begins with a recap of essential (to this course) semiconductor physics, followed by the study of interaction of photons with electrons and holes in a semiconductor, leading to the realization of semiconductor photon amplifiers, sources, modulators, and detectors. A variety of designs and configurations of these devices have been emerging with application-specific characteristics. The course is ‘applied’ in nature, and could be offered at the level of B.E/B.Tech IIIrd/ IVth Year, M.Sc IInd/ M.Tech. I Year.

INTENDED AUDIENCE: IIIrd, IVth year B.Tech / M.Sc (Physics/ Electronics/ Electronic Sciences) students, M.Tech Ist Sem students
PREREQUISITES:          Basic undergraduate-level knowledge of Semiconductors, Optics, Electronics and Quantum Mechanics would be required.
INDUSTRY SUPPORT:   Companies and R&D Laboratories working on Laser Applications, Optoelectronic and Optical Communication are expected to value this course.
Summary
Course Status : Completed
Course Type : Elective
Duration : 12 weeks
Start Date : 14 Sep 2020
End Date : 04 Dec 2020
Exam Date : 19 Dec 2020 IST
Enrollment Ends : 25 Sep 2020
Category :
  • Physics
  • Photonics
Credit Points : 3
Level : Undergraduate/Postgraduate

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Course layout

Week 1  :  Introduction, Energy bands in solids, Density of states
Week 2  :   Occupation probability and Carrier concentration, Quasi Fermi levels
Week 3  : Semiconductor optoelectronic materials and Heterostructures
Week 4  :  Heterostructure p-n junctions, Schottky junctions, Ohmic contacts
Week 5  :  Interaction of photons with electrons and holes in a semiconductor
Week 6  :  Amplification by stimulated emission, The semiconductor laser amplifier
Week 7  :  Absorption in semiconductors and quantum wells, Electro-absorption modulator
Week 8  :  Injection electroluminescence, Light emitting diode and their characteristics
Week 9  :  Semiconductor laser: Device structure and characteristics
Week 10  :  Single frequency lasers, VCSEL and Quantum well lasers
Week 11  :  Semiconductor photodetectors, General characteristics
Week 12  :  Photodiodes: PIN diode and APD. Photonic Integrated Circuits

Books and references

  • B. E. A. Saleh and M. C. Teich, Fundamentals of Photonics, John Wiley & Sons, Inc., 2 nd Ed. (2007), Ch.16, 17, and 18.
  • G. Ghione, Semiconductor Devices for High-Speed Optoelectronics, Cambridge University Press (2009)
  • A. Yariv and P. Yeh, Photonics: Optical Electronics in Modern Communication, Oxford University Press (2007), 6 th Ed., Ch.15-17.
  • G. Keiser, Optical Fiber Communications, McGraw-Hill Inc., 3 rd Ed. (2000), Ch.4,
  • P. Bhattacharya, Semiconductor Optoelectronic Devices, Prentice Hall of India (1995).
  • J. Singh, Semiconductor Optoelectronics: Physics and Technology, McGraw-Hill Inc. (1995).

Instructor bio

Prof. M. R. Shenoy

IIT Delhi
M. R. SHENOY received the M. Sc. in Physics in 1979 from Mysore University and the PhD in the field of Fiber and Integrated Optics from IIT Delhi in 1987. He joined the faculty of IIT Delhi in 1988, where he is currently Professor in the Department of Physics. Dr. Shenoy was a Visiting Scientist with the Department of Electrical and Electronic Engineering, University of Glasgow, Glasgow, U.K., in 1990 for 10 months, and on short- duration visits at the University of Nice Sophia Antipolis, Nice, France, in 1992, 1997, 2006 and 2008 for collaborative research on Integrated Optical Devices. He has authored/co- authored a number of research papers and book chapters, and has supervised a large number of student projects at the B.Tech, M.Sc. M.Tech and Ph.D. levels. He is a co-editor of the book Fiber Optics Through Experiments (Viva Publications, New Delhi, 1994, 2008). He has delivered a full video course of 46 lectures on Semiconductor Optoelectronics, facilitated by NPTEL, and freely available for download on YouTube. He has been involved in several Sponsored R&D projects on the design and development of guided-wave optical components and devices. His current research interests are in the area of Optoelectronics and Guided Wave Optical Components .

Course certificate

• The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
• The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
• Date and Time of Exams: 19 December,2020, Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
• Registration url: Announcements will be made when the registration form is open for registrations.
• The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
• Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE:
• Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course. 
• Exam score = 75% of the proctored certification exam score out of 100
• Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. 
• If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
• Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Madras. It will be e-verifiable at nptel.ac.in/noc
• Only the e-certificate will be made available. Hard copies will not be dispatched.


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