碲锌镉中的自偏转和全光光束控制

Self-deflection and all-optical beam steering in CdZnTe.

作者信息

Shwartz Sharon, Segev Mordechai, El-Hanany Uri

机构信息

Department of Physics and Solid State Institute, Technion-Israel Institute of Technology, Haifa 32000, Israel.

出版信息

Opt Lett. 2004 Apr 1;29(7):760-2. doi: 10.1364/ol.29.000760.

DOI:10.1364/ol.29.000760

PMID:15072383

Abstract

We report on the experimental observation of very large self-deflection of optical beams, along with all-optical steering, and electro-optic beam deflection. We observe as many as 27 resolvable spots of deflection at 1-W/cm2 intensity. These deflections arise from enhanced photorefractive effects in CdZnTe:V, giving rise to optically induced index changes in excess of 0.08, which is to our knowledge the strongest nonlinearity ever reported for any bulk semiconductor.

摘要

我们报告了光束的超大自偏转以及全光转向和电光光束偏转的实验观测结果。我们在1 W/cm²的强度下观察到多达27个可分辨的偏转光斑。这些偏转源于CdZnTe:V中增强的光折变效应，导致光致折射率变化超过0.08，据我们所知，这是任何体半导体中报道过的最强非线性。