Continuous-wave sum-frequency generation in AlGaAs Bragg reflection waveguides

被引：27

作者：

Han, Junbo ^{[1
]}

Abolghasem, Payam ^{[1
]}

Bijlani, Bhavin J. ^{[1
]}

Helmy, Amr S. ^{[1
]}

机构：

[1] Univ Toronto, Edward S Rogers Sr Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada

来源：

OPTICS LETTERS | 2009年 / 34卷 / 23期

基金：

加拿大自然科学与工程研究理事会;

关键词：

SINGLE-PHOTON DETECTION; COMMUNICATION WAVELENGTHS;

D O I：

10.1364/OL.34.003656

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Efficient sum-frequency generation in epitaxial GaAs/AlGaAs waveguides is reported. Phase matching is achieved for type II nonlinear interaction using Bragg reflection waveguides. Continuous-wave signal and pump in 1550 nm wavelength window were used for upconversion of photons to the 775 nm region. For a pump and signal with powers of 0.69 mW and 0.35 mW, sum-frequency power of 35 nW was measured. The normalized conversion efficiency was estimated to be 298 % W-1 cm(-2) in a device with a length of 2.2 mm. The bandwidth of the process was found to exceed 60 nm. (C) 2009 Optical Society of America

引用

页码：3656 / 3658

页数：3

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