无序微腔中量子压缩的产生与光子局域化
Quantum squeezing generation versus photon localization in a disordered microcavity
摘要：
从理论上研究了强泵浦场作用下无序平面微腔的非线性动力学行为。通过自洽理论，我们证明了量子光噪声压缩的产生是如何受到面内平移不变性的破坏和光子局域化的影响。我们发现，在理想平面情况下，即使其他模处于真空态，由于多模非线性耦合而产生的无序也可以阻止单模克尔压缩的产生。然而，过量噪声是无序振幅的非单调函数。在强局域化极限下，我们证明了系统相对于这个基本的耦合机制是受保护的，并且可以获得理想的正交压缩产生。
英文摘要：
We investigate theoretically the nonlinear dynamics induced by an intense pump field in a disordered planar microcavity. Through a self-consistent theory, we show how the generation of quantum optical noise squeezing is affected by the breaking of the in-plane translational invariance and the occurrence of photon localization. We find that the generation of single-mode Kerr squeezing for the ideal planar case can be prevented by disorder as a result of multimode nonlinear coupling, even when the other modes are in the vacuum state. However, the excess noise is a non-monotonous function of the disorder amplitude. In the strong localization limit, we show that the system becomes protected with respect to this fundamental coupling mechanism and that the ideal quadrature squeezing generation can be obtained.
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