Tunable optical bandpass filter with multiple flat-top bands in nanostructured resonators

被引：3
|
作者：
Xie, Jun [1 ]
Chen, Yuping [1 ]
Lu, Wenjie [1 ]
Chen, Xianfeng [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys, State Key Lab Fiber Opt Local Area Network & Adv, Shanghai 200240, Peoples R China
来源：
OPTICAL ENGINEERING | 2011年 / 50卷 / 03期
关键词：
optical devices; filtering; nonlinear optics; optical design; 2ND-HARMONIC GENERATION; INFRARED DETECTION; LITHIUM-NIOBATE; SLOW LIGHT; WAVE-GUIDE; CONVERSION; SHG;
D O I：
10.1117/1.3552697
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on second-order nonlinearity, we present a tunable optical bandpass filter at c-band by introducing a back quasiphase-matching technique with a nanostructured named multiple resonator waveguide. Two injecting forward lights and one backward propagating light interact with difference frequency generation. At that juncture, the transmission of the forward signal can be modulated via changing the forward control power. As a result, a tunable optical bandpass filter with multiple flat-top transmit bands of the forward signal can be formed in the waveguide. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3552697]
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页数：5
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