Engineered optical nonlinearity for quantum light sources

Agata M. Brańczyk

doi:10.1364/OE.19.000055

2010-12-20

114

DOI：10.1364/OE.19.000055

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摘要

En 中文

Many applications in optical quantum information processing benefit from careful spectral shaping of single-photon wave-packets. In this paper we tailor the joint spectral wave-function of photons created in parametric downconversion by engineering the nonlinearity profile of a poled crystal. We design a crystal with an approximately Gaussian nonlinearity profile and confirm successful wave-packet shaping by two-photon interference experiments. We numerically show how our method can be applied for attaining one of the currently most important goals of single-photon quantum optics, the creation of pure single photons without spectral correlations. (C) 2010 Optical Society of America

Keyword:

GENERATION

ENTANGLEMENT

STATE

INTERFERENCE

期刊

Optics Express

IF:

3.3

论文数:

6.1W

被引数:

14.3W

机构

University of Queensland

学者数:

5.0W

论文数: 5.1W

被引数: 9.2W

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