Second harmonic generation in ridge Bragg reflection waveguides

被引：30
作者：
Bijlani, Bhavin [1 ]
Abolghasem, Payam [1 ]
Helmy, A. S. [1 ]
机构：
[1] Univ Toronto, Edward Rogers Sr Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 10期
关键词：
Bragg reflectors;
D O I：
10.1063/1.2894516
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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 cm(2), 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/ degrees C. Possible routes for enhancing the current efficiency levels are also discussed. (C) 2008 American Institute of Physics.
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