Dr. Ashwini Kumar Sharma
Associate Professor
Department of Physics
Indian Institute of Technology Guwahati
Guwahati - 781 039, Assam, INDIA
e-mail:    aksharma@iitg.ernet.in
Phone:  +91-361-258-2724 (Off.), 4724 (Res.)
Fax:        +91-361-2582749 / 2690762
 
HOME ACADEMIC TEACHING RESEARCH PUBLICATION

PH413: Lasers & Photonics, July-Nov, 2011


Welcome to the course PH413. This web page is intended to provide all the necessary information on the course.

Course coordinator

Dr Ashwini Kumar Sharma
Room No. 107
Department of Physics,
Email: aksharma@iitg.ernet.in
Tel: 2724

Course detailstop

Laser physics: Basic principle of laser, optical amplification, laser rate equations, gain coefficient, threshold condition, line broadening, optical resonators, longitudinal and transverse modes, optimum output coupling, properties of laser, Q-switching, mode locking and pulse compression, Various common laser systems and applications. Laser modulators: electro-optics, Acousto-optics modulators, deflectors, tunable filters.

Nonlinear optics: Nonlinear optical susceptibilities, Harmonic generation, Frequency conversion, Phase matching, Bistable devices, Optical switching.

Photonic devices: Optical detectors, Optical waveguides, Integrated optics, Fiber-optic communication systems, Optical computing.

Texts:

1. O. Svelto and D. C. Hanna, Principles of Lasers, Springer (1998).
2. R.W. Boyd, Nonlinear Optics, 3rd Ed., Academic Press (2007).
3. K. Izuka, elements of Photonics, John Wiley & Sons (2002).
4. B.E.A. Saleh and M.C.Teich, Fundamentals of Photonics, 2nd Ed., Wiley (2007).

References:

1. A. E. Seigmen, Lasers, University Science Books (1986).
2. A. Yariv, Optical Electronics, 4th Ed., Saunders College Publishing (1991).
3. Y. R. shen, The Principle of Nonlinear Optics, John wiley (1984).
4. G. Keisser, Optical Fiber Communication, McGraw-Hill (1991).

Class Schedule top

Please visit the following link for the class time table

http://shilloi.iitg.ernet.in/~phy/timetable.pdf

Lectures:

Room No.: 4203

Monday: 11:00 - 11:55 hrs
Wednesday: 8:00 - 8:55 hrs
Friday: 10:00 - 10:55 hrs

Tutorial : Thursday: 9:00 - 9:55 hrs.

Student timings: Through appointment (by email)


Exam Scheduletop

Please visit the following link for the exam time table

http://shilloi.iitg.ernet.in/~acad/intranet/tt/ett.htm

Exam

Date

Time

Venue

Weightage

Quiz I

25.08.2011

8:00-8:55 hrs

Respective tutorial class rooms

10%

Midsem

23.09.2011

10:00 – 12:00 hrs

TBA by academic section

30%

Quiz II

03.11.2011

8:00-8:55 hrs

Respective tutorial class rooms

10%

Endsem

25.11.2011

9:00 – 12:00 hrs

TBA by academic section

50%

Assignmentstop

Tutorials/Quizzes/Exams

Tutorial 1 

Tutorial 2

Tutorial 3

Quiz I

Tutorial 4

Tutorial 5

Tutorial 6

Midsem

Tutorial 7

Quiz II

Tutorial 8

Tutorial 9

Endsem


Lecture slides

Quantum cascade laser

Dye & He-Ne laser

Laser-matter interaction

Laser cooling & BEC

Fiber-optic evanescent wave sensor

Ultrashort pulsewidth measurement