We report on a study of performance of both active and passive optical gyroscopes based on high finesse crystalline whispering gallery mode (WGM) resonators. We show that the sensitivity of the devices is ultimately limited due to the nonlinearity of the resonator host material. A gyroscope characterized with 0.02 deg/hr^1/2 angle random walk and 2 deg/hr bias drift is demonstrated.
Wei Liang, Vladimir S. Ilchenko, Danny Eliyahu, Anatoliy A. Savchenkov, Andrey B. Matsko, and Lute Maleki, "Gyroscope based on a crystalline optical WGM microresonator (Conference Presentation)," Proc. SPIE 10090, Laser Resonators, Microresonators, and Beam Control XIX, 1009018 (Presented at SPIE LASE: February 01, 2017; Published: 21 April 2017); https://doi.org/10.1117/12.2256703.5387835792001.
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