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Generation of polarization squeezed light with an optical parametric amplifier at 795 nm

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arxiv 1705.08696 v2 pith:IKQXYFFR submitted 2017-05-24 quant-ph

Yashuai Han , Xin Wen , Jinyu Liu , Jun He , Junmin Wang This is my paper · ORCID
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keywords beamsqueezedpolarizationamplifieropticalparametricquadraturesqueezing
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We report the experimental demonstration of polarization squeezed beam at 795 nm by combining a quadrature squeezed beam with a coherent beam. The quadrature squeezed beam is generated by a degenerate optical parametric amplifier based on a PPKTP crystal. Stokes parameter squeezing of -3.8 dB and anti squeezing of +5.0 dB is observed. This polarization squeezed beam resonant to rubidium D1 line has potential applications in quantum information networks and precise measurement beyond the shot noise limit.

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