Paper
15 November 2018 Non-reciprocity induced by the nonlinear optical effect in microring structure and its application in optical sensing
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Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109646H (2018) https://doi.org/10.1117/12.2506534
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
Abstract
A structure in photonic integrated circuit with a microring serially connected by an optical attenuator is proposed to generate the non-reciprocity by the nonlinear optical effect in microring. We find that when the information of the transmission spectra of both forward and backward directions is utilized for sensing, the precision of sensing can be enhanced. We calculate the non-reciprocity ratio of our proposed structure, and utilize this spectrum for sensing. Simulation shows the non-reciprocal spectrum varies with the attenuation value of the attenuator. The slope of 4.34dB/GHz can be achieved by utilizing 10dB attenuator, and the sensing frequency range is 7.35GHz. These results benefit its application in sensing.
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Lin Gui, Yushuang Zhu, Yaoyu Cao, Jiancun Zuo, Dan Lu, and Guangcan Chen "Non-reciprocity induced by the nonlinear optical effect in microring structure and its application in optical sensing", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109646H (15 November 2018); https://doi.org/10.1117/12.2506534
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KEYWORDS
Microrings

Attenuators

Silicon

Optical isolators

Optical sensing

Waveguides

Photonic integrated circuits

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