Novel optical controllable terahertz wave switch

被引：19
|
作者：
Li Jiu-sheng [1 ,2 ]
Yao Jian-quan [1 ]
机构：
[1] Tianjin Univ, Inst Laser & Optoelect, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[2] China Jiliang Univ, Ctr THz Res, Hangzhou 310018, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2008年 / 281卷 / 23期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Terahertz wave; Optical excitation; Switch;
D O I：
10.1016/j.optcom.2008.09.018
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study theoretically and demonstrate experimentally light controllable terahertz wave switch. When the modulated optical excitation source is used to irradiate a high resistivity silicon wafer, a novel controllable terahertz wave switch is achieved. The results show that the ON-OFF response time is less than 150 ms and the attenuation of the novel terahertz wave switch is more than 20 dB at frequency of 0.315 THz. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：5697 / 5700
页数：4
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