Optical Filter Switchable Between Bandstop and Bandpass Responses in SOI Wafer

被引：10
作者：
Jiang, Weijun [1 ]
Xu, Lu [1 ]
Liu, Yifan [1 ]
Chen, Yu [1 ]
Liu, Xiaolong [2 ,3 ]
Yi, Jinqiao [4 ]
Yu, Yu [1 ]
Yu, Yuan [1 ]
Zhang, Xinliang [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[2] Hisilicon Optoelect Co Ltd, Wuhan 430074, Peoples R China
[3] Huawei Technol Co Ltd, Wuhan 430074, Peoples R China
[4] Hubei Minzu Univ, Sch Informat Engn, Enshi 445000, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2020年 / 32卷 / 17期
基金：
中国国家自然科学基金;
关键词：
Optical filters; Optical switches; Band-pass filters; Optical device fabrication; Optical attenuators; Microwave filters; Optical waveguides; Optical filter; microring resonator; complex plane; silicon-on-insulator; RING-RESONATOR; SILICON; COMPACT;
D O I：
10.1109/LPT.2020.3012820
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An optical filter switchable between bandpass and bandstop responses is proposed by analyzing frequency response in the complex plane. The device is fabricated based on silicon-on-insulator wafer. Experimental results show that the bandstop response has an extinction ration of exceeding 62.5 dB and a full width at half maximum (FWHM) bandwidth of 971 MHz, and the bandpass response has a rejection ration of 19.5 dB and a FWHM bandwidth of 840 MHz, respectively. The device also exhibits good tunability for both bandstop and bandpass responses.
引用
收藏
页码：1105 / 1108
页数：4
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