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Overcoming detection losses in a supersensitive interferometer with coherent and squeezed vacuum inputs

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Abstract

We report phase sensitivity overcoming the shot-noise limit by 3 dB for a squeezing-assisted interferometer with 50% detection losses. The performance is tolerant to losses up to 87% because of an optical parametric amplifier at the output.

© 2020 The Author(s)

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More Like This
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