We discuss whispering gallery mode resonators used as reference cavities for laser frequency stabilization. Differential sensing of orthogonal modes allows active control of the resonator temperature, improving the locked laser's frequency stability.
© 2012 OSA
L. Baumgartel, R. Thompson, D. Strekalov, I. Grudinin, and N. Yu, "Dual Mode Frequency Stabilization of a Whispering Gallery Mode Optical Reference Cavity," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper CTh3A.6.
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