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arXiv 0906.1933quant-ph
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相干反馈增强光场压缩

Enhancement of Field Squeezing Using Coherent Feedback

J. E. Gough, S. Wildfeuer

摘要:

量子反馈网络的理论最近已经发展,目的是展示量子输入-输出组件如何连接在一起,以便控制,稳定或增强其中一个子组件的性能。在本文中,我们将展示如何在何种程度上一个理想化的组件(一个退化的参量放大器在强耦合制度)可以挤压输入字段可能会提高通过放置在一个简单的反馈机制,包括分束器的组件在回路中。我们研究了输出场的谱特性,特别强调功率密度的弹性和非弹性分量。

英文摘要:

The theory of quantum feedback networks has recently been developed with the aim of showing how quantum input-output components may be connected together so as to control, stabilize or enhance the performance of one of the subcomponents. In this paper we show how the degree to which an idealized component (a degenerate parametric amplifier in the strong-coupling regime) can squeeze input fields may be enhanced by placing the component in-loop in a simple feedback mechanism involving a beam splitter. We study the spectral properties of output fields, placing particular emphasis on the elastic and inelastic components of the power density.

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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