Single-polarization silicon nitride waveguide ring resonator

Changkun Feng; Hui Li; Shan Gao; Chen Qing; Lishuang Feng

doi:10.1117/12.2601262

24 November 2021 Single-polarization silicon nitride waveguide ring resonator

Changkun Feng, Hui Li, Shan Gao, Chen Qing, Lishuang Feng

Proceedings Volume 12062, AOPC 2021: Optoelectronics and Nanophotonics; 1206204 (2021) https://doi.org/10.1117/12.2601262
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

The polarization noise is the major factor affecting the long-term zero-bias stability of the integrated optical gyroscope (RIOG). Compared to the silicon, the Si₃N₄ waveguide has excellent polarization-dependent loss and can maintain a single polarization state. In our work, a transmissive Si₃N₄ WRR with a bending radius of 8 mm is successfully designed and fabricated. We prove its single-polarization performance through experiments at different temperature. The successful design and fabrication of this WRR is expected to achieve high precision RIOG.

Citation Download Citation

Changkun Feng, Hui Li, Shan Gao, Chen Qing, and Lishuang Feng "Single-polarization silicon nitride waveguide ring resonator", Proc. SPIE 12062, AOPC 2021: Optoelectronics and Nanophotonics, 1206204 (24 November 2021); https://doi.org/10.1117/12.2601262

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