Challenges in passive resonant miniature optical gyroscope based on integrated optics technologies

G. Feugnet; M. Descampeaux; F. Bretenaker

doi:10.1117/12.2616221

4 March 2022 Challenges in passive resonant miniature optical gyroscope based on integrated optics technologies

G. Feugnet, M. Descampeaux, F. Bretenaker

Proceedings Volume 11987, Laser Resonators, Microresonators, and Beam Control XXIV; 1198709 (2022) https://doi.org/10.1117/12.2616221
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

By combining the requirements on the angular random walk and the bias stability of an optical passive resonant gyroscope, we end up with simple expressions of its minimum diameter and the maximum power it should be probed with. These design parameters depend only on the propagation losses, the mode size and the Kerr properties of the cavity material. We applied these results to passive miniature resonant optical gyroscope based on state-of-the-art performances of photonic integrated circuit and whispering gallery mode technologies. We show that tactical grade gyroscope performances can be achieved with a diameter of a few cm provided the detrimental influence of the Kerr effect is mitigated using, for instance, an active control of the unbalance in the intensities. We further extend the analysis to medium performance gyroscope and give some hints on the efforts to be made to potentially demonstrate a miniature resonant optical gyroscope with this level of performance.

Conference Presentation

Citation Download Citation

G. Feugnet, M. Descampeaux, and F. Bretenaker "Challenges in passive resonant miniature optical gyroscope based on integrated optics technologies", Proc. SPIE 11987, Laser Resonators, Microresonators, and Beam Control XXIV, 1198709 (4 March 2022); https://doi.org/10.1117/12.2616221

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