Ultrafast all-optical switching in two-dimensional organic photonic crystal

被引：47

作者：

Hu, XY

Liu, YH

Tian, J

Cheng, BY

Zhang, DZ

机构：

[1] Chinese Acad Sci, Inst Phys, Opt Phys Lab, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.1884254

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An all-optical switching with high switch efficiency is realized based on two-dimensional nonlinear photonic crystal made of polystyrene. The prism-film coupling method is used to couple energy of probe light into photonic crystal waveguide. High transmittance contrast of more than 60% is realized for the probe light. Time response of the optical switching is around 10 ps. The dynamical shifts of photonic gap induced by pump light are measured and analyzed in detail. The photonic gap shifts 10 nm under the excitation of 16.7 GW/cm(2) pump intensity, which is in agreement with the theoretical predictions. (C) 2005 American Institute of Physics.

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页码：1 / 3

页数：3

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