Three-mode opto-acoustic interactions in optical cavities: introducing the three-mode opto-acoustic parametric amplifier

Francis A. Torres; David G. Blair; Li Ju; Chunnong Zhao; Haixing Miao

doi:10.1117/12.847173

17 February 2010 Three-mode opto-acoustic interactions in optical cavities: introducing the three-mode opto-acoustic parametric amplifier

Francis A. Torres, David G. Blair, Li Ju, Chunnong Zhao, Haixing Miao

Author Affiliations +

Proceedings Volume 7579, Laser Resonators and Beam Control XII; 75791A (2010) https://doi.org/10.1117/12.847173
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

Three-mode opto-acoustic interactions can occur in optical cavities when a mirror acoustic mode has the appropriate mode shape and frequency to scatter carrier light into a cavity high order mode that has matching mode shape and frequency. The interaction can be very strong since the strength scales as the product of two optical and one acoustic quality factor. The phenomenon enables a new class of transducer, amplifier or optical cooler. Small-scale devices are predicted to enable efficient cooling to the quantum ground state, while in the long optical cavities of gravitational wave detectors, the phenomenon can lead to acoustic instability. Experimental results are presented for both large and smallscale systems, and the design of systems for optical cooling to the quantum ground state is discussed.

Citation Download Citation

Francis A. Torres, David G. Blair, Li Ju, Chunnong Zhao, and Haixing Miao "Three-mode opto-acoustic interactions in optical cavities: introducing the three-mode opto-acoustic parametric amplifier", Proc. SPIE 7579, Laser Resonators and Beam Control XII, 75791A (17 February 2010); https://doi.org/10.1117/12.847173

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