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Solvable Model of Phase-Switching Quantum Feedback

机译:相位切换量子反馈的可溶性模型

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A quantized optical cavity mode controlled by dissipation, squeezed-light source and feedback loop is studied. The feedback is activated by detections of photons leaving the cavity and rapidly shifts the phase of the cavity field by π. The steadystate of the mode and first-order field correlation functions are obtained in closed analytical form and investigated. It appears that the feedback radically modifies the mode's spectrum. It gains asymmetry and its double-peaked structure becomes much more pronounced than in no-feedback case.
机译:研究了通过耗散,挤压光源和反馈回路控制的量化光学腔模式。 通过检测留下腔的光子并通过π通过π迅速移动腔场的相位来激活反馈。 以封闭的分析形式获得模式和一阶场相关函数的稳态和研究。 似乎反馈似乎从根本上修改了模式的频谱。 它增益不对称,其双峰结构比无反馈案例更加明显。

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