Difference-frequency generation in AlGaAs Bragg reflection waveguides

被引：25

作者：

Han, Jun-Bo ^{[1
]}

Abolghasem, Payam ^{[1
]}

Kang, Dongpeng ^{[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 | 2010年 / 35卷 / 14期

关键词：

GAAS; CONVERSION;

D O I：

10.1364/OL.35.002334

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate Type II difference-frequency generation (DFG) around 1550 nm in AlGaAs Bragg reflection wave-guides using a pump around 778 nm and a signal within the C-band range. Difference-frequency power of 0.95 nW was obtained using a pump power of 62.9 mW and a signal power of 2.9 mW. Nonlinear conversion efficiency was estimated to be 2.5 x 10(-2)%/W(-1) cm(-2) in a 1.5-mm-long sample. Using numerical simulations, the phase-matching bandwidth was predicted to be 100 nm, while the measured DFG showed no sign of bandwidth limitation across a wavelength span of 40 nm, which was limited by instrumentation. (C) 2010 Optical Society of America

引用

页码：2334 / 2336

页数：3

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