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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Dynamics of the cavity radiation of a correlated emission laser initially seeded with a thermal light
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Dynamics of the cavity radiation of a correlated emission laser initially seeded with a thermal light

机译：初始注入热光的相关发射激光器的腔辐射动力学

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摘要

A detailed analysis of the time evolution of the two-mode squeezing, entanglement and intensity of the cavity radiation of a two-photon correlated emission laser initially seeded with a thermal light is presented. The dependences of the degree of two-mode squeezing and entanglement on the intensity of the thermal light and time are found to have a more or less similar nature, although the actual values differ, especially in the early stages of the process and when the atoms are initially prepared with nearly 50:50 probability to be in the upper and lower energy levels. Seeding the cavity degrades the nonclassical features significantly, particularly in the vicinity of t=0. It is also shown that the mean photon number in a wider time span has a dip when mode b is seeded but a peak when mode a is seeded. Moreover, it turns out that the effect of the seed light on the nonclassical features and intensity of the cavity radiation decreases significantly with time, an outcome essentially attributed to the pertinent emission-absorption mechanism. This can be taken as an encouraging aspect in the practical utilization of this model as a source of a bright entangled light.
机译：详细分析了最初注入热光的双光子相关发射激光器的双模压缩的时间演化，纠缠和腔辐射强度。尽管实际值有所不同，特别是在过程的早期以及原子时，但实际值有所不同，发现双模压缩和纠缠程度对热光强度和时间的依赖性大致相似。最初以大约50:50的概率处于较高和较低的能量水平。播种腔会大大降低非经典特征，特别是在t = 0附近。还显示出，在播种了模式b时，较宽时间范围内的平均光子数有一个下降，而在播种了模式a时，一个平均光子数有一个峰值。此外，事实证明，种子光对非经典特征和腔辐射强度的影响随时间显着降低，这一结果基本上归因于相关的发射吸收机制。在实际使用该模型作为明亮的纠缠光源时，这可以被视为令人鼓舞的方面。

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