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Quantum Enhanced Measurement Using SU(1,1) Nonlinear Interferometers

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Abstract

SU(1,1) nonlinear interferometer (NLI) employs parametric amplifiers as the wave splitting and mixing elements. We show the applications of NLI in multi-parameter measurement, in phase measurement and in loss-tolerant measurement of continuous variable entanglement.

© 2022 The Author(s)

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