Electro-optical device based on photonic structure with a dual-frequency cholesteric liquid crystal

被引：66
|
作者：
Hsiao, Yu-Cheng [1 ]
Wu, Chong-Yin [1 ]
Chen, Chih-Heng [1 ]
Zyryanov, Victor Ya [2 ]
Lee, Wei [1 ,3 ]
机构：
[1] Chung Yuan Christian Univ, Dept Phys, Chungli 32023, Taiwan
[2] Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[3] Chung Yuan Christian Univ, Ctr Nanotechnol, Chungli 32023, Taiwan
来源：
OPTICS LETTERS | 2011年 / 36卷 / 14期
关键词：
TUNABLE DEFECT MODE; LAYER;
D O I：
10.1364/OL.36.002632
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An electrically tunable and polarizer-free photonic device is developed using a one-dimensional photonic crystal (PC) infiltrated with dual-frequency cholesteric liquid crystal (DFCLC) as a defect layer. The PC/DFCLC hybrid cell allows the employment of various frequency-modulated voltage pulses to regulate defect modes and switch between stable states. This device possesses many alluring features such as rapid bistable switching, intensity tunability, and wavelength tunability in the defect modes, and it requires no polarizers. It can be used as a filter, fast-speed shutter, or light-intensity modulator. (C) 2011 Optical Society of America
引用
收藏
页码：2632 / 2634
页数：3
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