On the indistinguishability of Raman photons

On the indistinguishability of Raman photons
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关于拉曼光子的不可区分性

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
R. Beausoleil
R. Beausoleil
中科院分区:
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文献类型:
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作者:
C. Santori;D. Fattal;K. Fu;P. Barclay;R. Beausoleil

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我们提供了一个理论框架来研究退相对相干驱动腔QED Λ-系统发射的单光子的量子不变性的影响。我们发现,与一个大的激发态失谐,光子的不可压缩性可以大大提高,提供影响激发态的噪声源的波动率是快速的光子发射率相比。在某些情况下,需要光谱滤波器来实现这种改进,但是可以使效率方面的成本很小。
We provide a theoretical framework to study the effect of dephasing on the quantum indistinguishability of single photons emitted from a coherently driven cavity QED Λ-system. We show that with a large excited-state detuning, the photon indistinguishability can be drastically improved provided that the fluctuation rate of the noise source affecting the excited state is fast compared with the photon emission rate. In some cases a spectral filter is required to realize this improvement, but the cost in efficiency can be made small.
DOI: 10.1038/nphys1182
发表时间: 2009-03-01
期刊: NATURE PHYSICS
影响因子: 19.6
作者:
Vamivakas, A. Nick;Zhao, Yong;Atatuere, Mete
通讯作者: Atatuere, Mete