Fabrication and characterization of chalcogenide glass photonic crystal waveguides

被引：58

作者：

Suzuki, Keijiro ^{[1
,2
]}

Hamachi, Yohei ^{[1
,2
]}

Baba, Toshihiko ^{[1
,2
]}

机构：

[1] Yokohama Natl Univ, Dept Elect & Comp Engn, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan

[2] Japan Sci & Technol Agcy, Chiyoda Ku, Tokyo 1020075, Japan

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 25期

关键词：

SLOW-LIGHT; OPTICAL-PROPERTIES; SILICON; ENHANCEMENT; FILMS; AG;

D O I：

10.1364/OE.17.022393

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the fabrication of chalcogenide glass (Ag-As2Se3) photonic crystal waveguides and the first detailed characterization of the linear and nonlinear optical properties. The waveguides, fabricated by e-beam lithography and ICP etching exhibit typical transmission spectra of photonic crystal waveguides, and exhibit high optical nonlinearity. Nonlinear phase shift of 1.5 pi through self-phase modulation is observed at 0.78 W input peak power in a 400 mu m long device. The effective nonlinear parameter gamma(eff) estimated from this result reaches 2.6 x 10(4) W(-1)m(-1). Four-wave mixing is also observed in the waveguide, while two-photon absorption at optical communication wavelengths is sufficiently small and the corresponding figure of merit is larger than 11. (C) 2009 Optical Society of America

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页码：22393 / 22400

页数：8

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