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Resonant third harmonic generation of an infrared laser in a semiconductor wave guide

Published online by Cambridge University Press:  17 June 2010

Vijay Garg  and
V.K. Tripathi
Vijay Garg*
Affiliation:
Department of Physics, Indian Institute of Technology Delhi, New Delhi, India Department of Physics, M.M.College, Modinagar, Ghazibad, India
V.K. Tripathi
Affiliation:
Department of Physics, Indian Institute of Technology Delhi, New Delhi, India
*
Address correspondence and reprint requests to: Vijay Garg, Department of Physics, Indian Institute of Technology Delhi, New Delhi-110016, India. E-mail: [email protected]
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Abstract

An infrared laser propagating through a semiconductor waveguide, embedded with a density ripple of wave number q, resonantly excites third harmonic radiation. The phase matching is achieved when q equals difference between third harmonic wave number and three times the wave number of the laser. The excited third harmonic is in higher order radial Eigen mode than the pump laser. The third harmonic efficiency increases with electron concentration and decreases with the frequency of the laser.

Keywords

Mode structurePump LaserRipple densityThird harmonic generationWave guide
Type
Research Article
Information
Laser and Particle Beams , Volume 28 , Issue 2 , June 2010 , pp. 327 - 332
Copyright
Copyright © Cambridge University Press 2010

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