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Quantum properties of correlated emission laser with dephasing and phase fluctuation
Results in Physics ( IF 4.4 ) Pub Date : 2021-07-24 , DOI: 10.1016/j.rinp.2021.104567
Desalegn Ayehu 1
Affiliation  

We consider a two-photon laser in a cascade configuration coupled to an ordinary vacuum reservoir via a partially transmitting mirror. The impacts of the dephasing and the phase fluctuation on the entanglement, two-mode squeezing, and the intensity of the intracavity radiation are studied at steady-state. It so happens that the initial atomic coherence is the cause for the quantum properties of the cavity radiation even in the presence of the decoherence. We show that the dephasing rates and the phase fluctuations hurt the amount of squeezing and entanglement of the intracavity radiation. However, the dephasing rate leads to an increase in the intensity of the cavity radiation. Moreover, the phase fluctuation degrades the intensity of the intracavity radiation near to the initial maximum atomic coherence and it enhances otherwise.



中文翻译:

具有移相和相位波动的相关发射激光器的量子特性

我们考虑通过部分透射镜耦合到普通真空容器的级联配置中的双光子激光器。在稳态下研究了移相和相位波动对纠缠、双模压缩和腔内辐射强度的影响。碰巧的是,即使在退相干存在的情况下,初始原子相干性也是腔辐射量子特性的原因。我们表明,移相率和相位波动会损害腔内辐射的挤压和纠缠量。然而,移相率导致腔辐射强度的增加。此外,相位波动会降低初始最大原子相干附近的腔内辐射强度,否则会增强。

更新日期:2021-07-30
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