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Generation of Spin Squeezed State via a Degenerate Parametric Down-Converter

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Abstract

We explicitly present an experimentally feasible scheme for generating spin squeezed state of photons via a degenerate parametric down-converter. The evolution of the mean spin vector can be regarded as a precession under some conditions. The spin squeezed state can be generated rapidly in the dynamical process by adjusting some correlative parameters. The strongest squeezing is independent of the detuning, but a larger one induces over a relatively longer squeezing time interval.

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Acknowledgments

This work was supported by the National Natural Sciences Foundation of the People’s Republic of China (Grant No. 71461010 and 70961001).

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Authors and Affiliations

  1. School of Information Technology, Jiangxi University of Finance and Economics, Nanchang, 330032, People’s Republic of China

    Cui-Xia Wang

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  1. Cui-Xia Wang
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Correspondence to Cui-Xia Wang.

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Wang, CX. Generation of Spin Squeezed State via a Degenerate Parametric Down-Converter. Int J Theor Phys 54, 1594–1599 (2015). https://doi.org/10.1007/s10773-014-2358-4

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  • DOI: https://doi.org/10.1007/s10773-014-2358-4

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