Standard quantum limit of sensitivity of an optical gyroscopeстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 1 апреля 2022 г.
Аннотация:We find that the measurement sensitivity of an optical integrating gyroscope is fundamentally limited due
to ponderomotive action of the light leading to the standard quantum limit of the rotation angle detection. The
uncorrelated quantum fluctuations of power of clockwise and counterclockwise electromagnetic waves result
in optical power-dependent uncertainty of the angular gyroscope position. We also show that, on the other
hand, a quantum backaction evading measurement of the angular momentum of a gyroscope becomes feasible
if the proper measurement strategy is selected. The angle is perturbed in this case. This observation hints at the
fundamental inequivalence of integrating and rate gyroscopes.