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Proceedings Paper

Quantum limitations and back action evading measurements in classical force and rotation detection
Author(s): A. B. Matsko; S. P. Vyatchanin; A. A. Savchenkov; S. Williams
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Paper Abstract

We theoretically study both the technical and the fundamental quantum limitations of the sensitivity of a resonant optical gyroscope based on a high finesse optical cavity. We show that the quantum back action associated with the resonantly enhanced optical cross and self-phase modulation results in the nonlinear optics-mediated standard quantum limit (SQL) of the angle random walk of the gyroscope. We also found that the measurement sensitivity of a generic optical gyroscope is fundamentally limited due to the opto-mechanical properties of the device. Ponderomotive action of the light interrogating the gyroscope cavity leads to the opto-mechanical SQL of the rotation angle detection. The uncorrelated quantum fluctuations of power of clockwise and counterclockwise light waves result in optical power-dependent uncertainty of the angular gyroscope position.

Paper Details

Date Published: 1 March 2019
PDF: 9 pages
Proc. SPIE 10934, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology, 109340V (1 March 2019); doi: 10.1117/12.2515797
Show Author Affiliations
A. B. Matsko, OEwaves, Inc. (United States)
S. P. Vyatchanin, Moscow State Univ. (Russian Federation)
A. A. Savchenkov, OEwaves, Inc. (United States)
S. Williams, OEwaves, Inc. (United States)

Published in SPIE Proceedings Vol. 10934:
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology
Selim M. Shahriar; Jacob Scheuer, Editor(s)

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