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Conferences > QIM > 2019 > S4A > S4A.4

Sensitivity enhancement by mode entanglement in distributed phase sensing

Xueshi Guo, Johannes Borregaard, Casper R. Breum, Shuro Izumi, Mikkel V. Larsen, Jonas S. Neergaard-Nielsen, and Ulrik L. Andersen

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Abstract

We investigate the sensitivity of distributed phase sensing with squeezed state probes. By creating mode entanglement between probes with a beam-splitter network, sensitivity enhancement over independent probes is observed experimentally for the first time.

© 2019 The Author(s)

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