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arXiv 1306.1578quant-phcond-mat.mes-hall
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$N$光子束的发射体

Emitters of $N$-photon bundles

C. Sánchez Muñoz, E. del Valle, A. González Tudela, S. Lichtmannecker, K. Müller, M. Kaniber, C. Tejedor, J. J. Finley, F. P. Laussy

摘要:

我们提出了一个方案的基础上的相干激发的两个级别的系统在一个腔中产生一个超亮CW和聚焦的量子光源,在组(束)的$N$光子,整数$N$可调的激发激光的频率。我们定义了一个新的量,\emph{purity}的$N$ -光子发射,来描述发射的光子束的百分比,从而绕过了Glauber关联函数的限制。我们专注于$1\le N\le3$的情况下,并表明,接近100%的双光子发射和90%的三光子发射是在达到最先进的腔QED样品。束流发射的统计表明,可以实现从$N$光子激光到$N$光子枪的各种机制。这是证明通过广义关联函数,扩展到多光子水平的标准定义。

英文摘要:

We propose a scheme based on the coherent excitation of a two-level system in a cavity to generate an ultrabright CW and focused source of quantum light that comes in groups (bundles) of $N$ photons, for an integer $N$ tunable with the frequency of the exciting laser. We define a new quantity, the \emph{purity} of $N$-photon emission, to describe the percentage of photons emitted in bundles, thus bypassing the limitations of Glauber correlation functions. We focus on the case $1\le N\le3$ and show that close to 100% of two-photon emission and 90% of three-photon emission is within reach of state of the art cavity QED samples. The statistics of the bundles emission shows that various regimes---from $N$-photon lasing to $N$-photon guns---can be realized. This is evidenced through generalized correlation functions that extend the standard definitions to the multi-photon level.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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