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arXiv quant-ph/9803015quant-ph
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相位相干态的产生

Generation of phase-coherent states

Giacomo M. D'Ariano, Matteo G. A. Paris, Massimiliano F. Sacchi

摘要:

提出了一种利用非线性$χ^{(2)}$介质相互作用产生相位相干态的方案。该装置是基于真空的参数放大,然后由所产生的双光束的上转换。通过精确数值对角化研究了所涉及的非线性相互作用。给出了一个实验上可实现的高转换率的PCS近似工作状态,并讨论了参数近似的有效性。

英文摘要:

An interaction scheme involving nonlinear $χ^{(2)}$ media is suggested for the generation of phase-coherent states (PCS). The setup is based on parametric amplification of vacuum followed by up-conversion of the resulting twin-beam. The involved nonlinear interactions are studied by the exact numerical diagonalization. An experimentally achievable working regime to approximate PCS with high conversion rate is given, and the validity of parametric approximation is discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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