Non-trivial scaling of self-phase modulation and three-photon absorption in III-V photonic crystal waveguides

被引：60

作者：

Husko, Chad ^{[1
,2
]}

Combrie, Sylvain ^{[1
]}

Tran, Quynh Vy ^{[1
]}

Raineri, Fabrice ^{[3
,4
]}

Wong, Chee Wei ^{[2
]}

De Rossi, Alfredo ^{[1
]}

机构：

[1] Thales Res & Technol, F-91767 Palaiseau, France

[2] Columbia Univ, Opt Nanostruct Lab, New York, NY 10027 USA

[3] CNRS, Lab Photon Nanostruct, UPR 20, F-91460 Marcoussis, France

[4] Univ D Diderot, F-75205 Paris, France

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 25期

基金：

美国国家科学基金会;

关键词：

SLOW-LIGHT; BAND-GAP; SILICON; ENHANCEMENT; DISPERSION; CHIP; HALF; EMISSION; ALGAAS;

D O I：

10.1364/OE.17.022442

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the nonlinear response of photonic crystal waveguides with suppressed two-photon absorption. A moderate decrease of the group velocity (similar to c/6 to c/15, a factor of 2.5) results in a dramatic (x 30) enhancement of three-photon absorption well beyond the expected scaling, proportional to 1/v(g)(3). This non-trivial scaling of the effective nonlinear coefficients results from pulse compression, which further enhances the optical field beyond that of purely slow-group velocity interactions. These observations are enabled in mm-long slow-light photonic crystal waveguides owing to the strong anomalous group-velocity dispersion and positive chirp. Our numerical physical model matches measurements remarkably. (C) 2009 Optical Society of America

引用

页码：22442 / 22451

页数：10

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