Photonic crystal self-collimation sensor

被引：34
|
作者：
Wang, Yufei [1 ,2 ,3 ]
Wang, Hailing [1 ]
Xue, Qikun [2 ]
Zheng, Wanhua [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[3] Longyan Univ, Sch Phys & Electromech Engn, Longyan 364012, Peoples R China
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 11期
基金：
中国国家自然科学基金;
关键词：
WAVE-GUIDES; SENSITIVITY; NANOLASER; ARRAYS; BEAMS; AREA;
D O I：
10.1364/OE.20.012111
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel refractive index sensor based on the two dimensional photonic crystal folded Michelson interferometer employing the self-collimation effect is proposed and its performances are theoretically investigated. Two sensing areas are included in the sensor. Simulation results indicate the branch area is suitable for the small index variety range and fine detection, whereas the reflector area prone to the large index change range and coarse detection. Because of no defect waveguides and no crosstalk of signal, the sensor is desirable to perform monolithic integrated, low-cost, label-free real-time parallel sensing. In addition, a flexible design of self-collimation sensors array is demonstrated. (C) 2012 Optical Society of America
引用
收藏
页码：12111 / 12118
页数：8
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