Ultra-Broadband Tunable Filter Based on Cascaded Chirped Subwavelength Grating Assisted Contra-Directional Coupler

Shasha Liao; Hang Bao; Yuting Feng; Cong Huang; Wuhao Zhang; Shuai Zhao; Zhenwei Liu

doi:10.3788/AOS202242.1405003

Acta Optica Sinica, Volume. 42, Issue 14, 1405003(2022)

Ultra-Broadband Tunable Filter Based on Cascaded Chirped Subwavelength Grating Assisted Contra-Directional Coupler

Shasha Liao^1,2、*, Hang Bao¹, Yuting Feng¹, Cong Huang¹, Wuhao Zhang¹, Shuai Zhao¹, and Zhenwei Liu¹

¹School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

²State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China

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Shasha Liao, Hang Bao, Yuting Feng, Cong Huang, Wuhao Zhang, Shuai Zhao, Zhenwei Liu. Ultra-Broadband Tunable Filter Based on Cascaded Chirped Subwavelength Grating Assisted Contra-Directional Coupler[J]. Acta Optica Sinica, 2022, 42(14): 1405003

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Paper Information

Category: Diffraction and Gratings

Received: Jan. 10, 2022

Accepted: Jan. 27, 2022

Published Online: Jul. 15, 2022

The Author Email: Liao Shasha (liaoss@cqupt.edu.cn)

DOI:10.3788/AOS202242.1405003

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