All-optical switching in silicon-on-insulator photonic wire nano-cavities

被引：46

作者：

Belotti, Michele ^{[1
,2
]}

Galli, Matteo ^{[1
,2
]}

Gerace, Dario ^{[1
,2
]}

Andreani, Lucio Claudio ^{[1
,2
]}

Guizzetti, Giorgio ^{[1
,2
]}

Zain, Ahmad R. Md ^{[3
,4
]}

Johnson, Nigel P. ^{[3
]}

Sorel, Marc ^{[3
]}

De la Rue, Richard M. ^{[3
]}

机构：

[1] Univ Pavia, Dipartimento Fis A Volta, I-27100 Pavia, Italy

[2] Univ Pavia, UdR CNISM, I-27100 Pavia, Italy

[3] Univ Glasgow, Dept Elect & Elect Engn, Optoelect Res Grp, Glasgow G12 8LT, Lanark, Scotland

[4] Univ Bristol, Dept Elect & Elect Engn, Ctr Commun Res, Photon Res Grp, Bristol BS8 1TR, Avon, England

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 02期

关键词：

CRYSTAL NANOCAVITY; QUALITY-FACTOR; WAVE-GUIDES; MICROCAVITY; ENHANCEMENT; LIGHT;

D O I：

10.1364/OE.18.001450

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on experimental demonstration of all-optical switching in a silicon-on-insulator photonic wire nanocavity operating at telecom wavelengths. The switching is performed with a control pulse energy as low as similar to 0.1 pJ on a cavity device that presents very high signal transmission, an ultra-high quality-factor, almost diffraction-limited modal volume and a footprint of only 5 mu m(2). High-speed modulation of the cavity mode is achieved by means of optical injection of free carriers using a nanosecond pulsed laser. Experimental results are interpreted by means of finite-difference time-domain simulations. The possibility of using this device as a logic gate is also demonstrated. (C) 2009 Optical Society of America

引用

页码：1450 / 1461

页数：12

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