Spectral correlation measurements at the Hong-Ou-Mandel interference dip

被引：63

作者：

Gerrits, T. ^{[1
]}

Marsili, F. ^{[2
]}

Verma, V. B. ^{[1
]}

Shalm, L. K. ^{[1
]}

Shaw, M. ^{[2
]}

Mirin, R. P. ^{[1
]}

Nam, S. W. ^{[1
]}

机构：

[1] NIST, Boulder, CO 80305 USA

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

PHYSICAL REVIEW A | 2015年 / 91卷 / 01期

关键词：

PHOTONS;

D O I：

10.1103/PhysRevA.91.013830

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present an efficient tool capable of measuring the spectral correlations between photons emerging from a Hong-Ou-Mandel interferometer. We show that for our spectrally factorizable spontaneous down-conversion source, the Hong-Ou-Mandel interference visibility decreases as the photons' frequency spread is increased to a maximum of 165 nm. Unfiltered, we obtained a visibility of 92.0% +/- 0.2%. The maximum visibility was 97% +/- 0.2% after applying filtering. We show that the tool can be useful for the study of spectral correlations that impair high-visibility and high-fidelity multisource interference applications. The nature of this tool also allows for arbitrary post-selective spectral filtering and high-rate multiphoton spectral correlation measurements.

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页数：7

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