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

页码：1462 / 1464

页数：3

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