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Quantum entangled Sagnac interferometer

Wen Zhao, Xuan Tang, Xueshi Guo, Xiaoying Li, and Z. Y. Ou

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Abstract

By inserting quantum entangled SU(1,1) interferometers into a Sagnac interferometers, we form a Sagnac-SU(1,1) interferometer for rotational sensing. We find the rotational signal comes from ``classical" and ``quantum" parts with the latter enhanced by quantum entanglement.

© 2023 The Author(s)

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