All-optical bistable band-edge Bloch modes in a two-dimensional photonic crystal

被引：52
作者：
Yacomotti, A. M.
Raineri, F.
Vecchi, G.
Monnier, P.
Raj, R.
Levenson, A.
Ben Bakir, B.
Seassal, C.
Letartre, X.
Viktorovitch, R.
Di Cioccio, L.
Fedeli, J. M.
机构：
[1] CNRS, UPR 20, Lab Photon & Nanostruct, F-91460 Marcoussis, France
[2] CNRS, UMR 5512, Lab Electron Optoelectron & Microsyst, F-69134 Ecully, France
[3] CEA, DRT, LETI, F-38054 Grenoble 9, France
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 23期
关键词：
D O I：
10.1063/1.2207842
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate experimentally all-optical bistable operation in an InP-based two-dimensional photonic crystal slab lying on top of a Bragg reflector. Bistability is obtained around 1550 nm, using a low group velocity,mode at the band edge of the photonic dispersion characteristic. The origin of the bistable regime is shown to be the fast (275 ps relaxation time), electronically induced nonlinear refraction index. A low intensity threshold of 4 kW/cm(2) was observed, with a contrast of 65% between the high and low reflectivity states. (c) 2006 American Institute of Physics.
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页数：3
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