Polarization squeezing of intense pulses with a fiber Sagnac interferometer

Details Polarization squeezing of intense pulses with a fiber Sagnac interferometer Polarization squeezing of intense pulses with a fiber Sagnac interferometer

2003-02-12

arxiv.org/abs/quant-ph/0302100v4

PRA 68 013815 2003

Physics

Quantum Physics

v4: 2 small typos corrected v3: misc problems with Tex surmounted - mysteriously missing text returned to results - vol# for K

Scientific paper

10.1103/PhysRevA.68.013815

We report on the generation of polarization squeezing of intense, short light pulses using an asymmetric fiber Sagnac interferometer. The Kerr nonlinearity of the fiber is exploited to produce independent amplitude squeezed pulses. The polarization squeezing properties of spatially overlapped amplitude squeezed and coherent states are discussed. The experimental results for a single amplitude squeezed beam are compared to the case of two phase-matched, spatially overlapped amplitude squeezed pulses. For the latter, noise variances of -3.4dB below shot noise in the S0 and the S1 and of -2.8dB in the S2 Stokes parameters were observed, which is comparable to the input squeezing magnitude. Polarization squeezing, that is squeezing relative to a corresponding polarization minimum uncertainty state, was generated in S1.

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