Dipartimento di Scienze, Università degli Studi Roma Tre, Via della Vasca Navale 84, 00146, Rome, Italy.
Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 5, 00185, Rome, Italy.
Sci Rep. 2017 Aug 3;7(1):7247. doi: 10.1038/s41598-017-07555-4.
Not much, in the end. Here we put forward some considerations on how Hong-Ou-Mandel interferometry provides signatures of frequency entanglement in the two-photon state produced by parametric down-conversion. We find that some quantitative information can be inferred in the limit of long-pulse pumping, while the short-pulse limit remains elusive.
没多少，最终。在这里，我们提出了一些关于 Hong-Ou-Mandel 干涉如何在参量下转换产生的双光子态中提供频率纠缠特征的考虑。我们发现，在长脉冲泵浦的极限下可以推断出一些定量信息，而短脉冲极限仍然难以捉摸。
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