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Proceedings Paper

Photonic devices based on antisymmetric Bragg gratings
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Paper Abstract

This paper presents our recent studies on photonic devices based on antisymmetric Bragg gratings (ASBGs). ASBGs can realize backward mode conversion between the fundamental and first order transverse electric mode, i.e., TE0 and TE1. If a π phase shift is inserted in the middle of ASBG, light resonance along with mode conversion can be set up. We call this new resonance as the “Hybrid mode resonance”. Based on this structure, several photonic devices are realized. For example, we experimentally demonstrated an on-chip light filter with dropped reflected light. It can be equivalent to the light circulator in some cases and benefits the application to photonic integrated systems. Besides, other photonic devices such as single wavelength resonator and narrow band reflector are also realized. We think the proposed grating structure may give a new way to design high-performance photonic devices.

Paper Details

Date Published: 12 March 2020
PDF: 10 pages
Proc. SPIE 11435, 2019 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing, 114350F (12 March 2020); doi: 10.1117/12.2548947
Show Author Affiliations
Yuechun Shi, Nanjing Univ. (China)
Yong Zhao, Nanjing Univ. (China)
Rulei Xiao, Nanjing Univ. (China)
Yitao Wu, Nanjing Univ. (China)
Xiangfei Chen, Nanjing Univ. (China)
Chunliang Ma, Nanjing Univ. (China)


Published in SPIE Proceedings Vol. 11435:
2019 International Conference on Optical Instruments and Technology: Optical Communication and Optical Signal Processing
Jian Chen; Yi Dong; Fabien Bretenaker, Editor(s)

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