Highly Efficient Second-Harmonic Generation in Monolithic Matching Layer Enhanced AlxGa1-xAs Bragg Reflection Waveguides

被引：43
|
作者：
Abolghasem, Payam [1 ,2 ]
Han, Junbo [1 ,2 ]
Bijlani, Bhavin J. [1 ,2 ]
Arjmand, Arghavan [1 ,2 ]
Helmy, Amr S. [1 ,2 ]
机构：
[1] Univ Toronto, Edward S Rogers Sr Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
[2] Univ Toronto, Inst Opt Sci, Toronto, ON M5S 3G4, Canada
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2009年 / 21卷 / 19期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Bragg reflection waveguides (BRWs); nonlinear optics; optical nonlinearities in semiconductors; phase matching; second-harmonic generation (SHG); second-order nonlinearities; MU-M;
D O I：
10.1109/LPT.2009.2027996
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we demonstrate significant improvement in second-harmonic (SH) generation using matching layer enhanced Al(x)G(1-x)As Bragg reflection waveguide in type-I and type-II phase-matching schemes. For a 1.8-ps pulsed pump around 1550 nm with an average power of 3.3 mW, peak SH powers of 28 and 60 mu W were measured in type-I and type-II interactions, respectively. The associated normalized conversion efficiencies were estimated to be 5.30 x 10(3)% and 1.14 x 10(4)% W-1 . cm(-2) with SH process bandwidths of 1.7- and 1.8-nm full-width at half-maximum. Waveguides with various ridge widths ranging between 2.8 and 4.8 mu m with 2.17-mm length were characterized.
引用
收藏
页码：1462 / 1464
页数：3
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