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arXiv 2005.05736quant-ph
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二能级系统简并高阶超喇曼谱线的压缩特性

Squeezing properties of degenerate high-order hyper-Raman lines emitted by a two-level system

Ákos Gombkötő

摘要:

非线性光学过程的量化描述可以从开发新的非经典光源的角度来考虑。作为一种特殊情况,它是有用的,以表征由经典驱动系统发出的光,因为在许多实际情况下的激励是激光束。作为物质模型,我们选择了一个两能级系统。在早期的工作中,我们研究了光子统计和模态间互相关物理Rev. A 104(3):033703,(2021),并注意到压缩主要存在于特定的参数集中,对应于超拉曼线的简并性。在这里,我们专注于这组特定的参数,呈现挤压的细节。

英文摘要:

Quantized descriptions of nonlinear-optical processes can be relevant from the perspective of developing novel nonclassical sources of light. As a special case, it is useful to characterize light emitted by classically driven systems, since the excitations in many practical cases are laser beams. As a material model, we choose a two-level system. In an earlier work, we investigated photon statistics and intermodal cross-correlations Phys. Rev. A 104(3):033703, (2021), and noted that squeezing is primarily present in specific sets of parameters, corresponding to the degeneracy of hyper-Raman lines. Here we focus on this specific set of parameters, presenting details of the squeezing.

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