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Second harmonic generation in ridge Bragg reflection waveguides

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3 Author(s)
Bijlani, B. ; Edward Rogers, Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario M5S 3G4, Canada ; Abolghasem, P. ; Helmy, A.S.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2894516 

Monolithic AlGaAs ridge Bragg reflection waveguides are used to achieve exact phase matching in a second harmonic generation experiment for a pump at 1600 nm. Phase-matching bandwidth of 4.5 nm, with a peak internal conversion efficiency of 205%/W cm2, is obtained. This conversion efficiency is comparable to numbers reported for periodically poled lithium niobate. The phase-matching peak was found to redshift with sample temperature providing tunablity at a rate of 0.25 nm/ °C. Possible routes for enhancing the current efficiency levels are also discussed.

Published in:
Applied Physics Letters  (Volume:92 ,  Issue: 10 )

Date of Publication: Mar 2008

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