可控光子对光谱关联

2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) Pub Date : 2019-06-23 DOI:10.1109/CLEOE-EQEC.2019.8873257

M. Cordier, B. Debord, F. Gérôme, P. Delaye, F. Benabid, I. Zaquine

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引用次数: 0

摘要

光子对状态，无论是光谱相关的还是可分离的，都可以在量子技术应用中非常有用。例如，前者用于提高量子密钥分发的安全性，而后者是预示的单光子源的骨干。研究表明，联合谱振幅函数(Joint spectral Amplitude function, JSA)的形状很好地描述了光谱相关性的数量，它主要取决于源介质中泵浦、信号和空闲光子之间的相对群速度关系[1]。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Controllable Photon-Pair Spectral Correlations

Photon-pair states, whether spectrally correlated or separable, can all be very useful in quantum technology applications. For example, the former are used for improving the security of quantum key distribution, whilst the latter are the backbone in heralded single photon sources. It has been shown that the amount of spectral correlations is well-described by the shape of the Joint Spectral Amplitude function (JSA), which mostly depends on the relative group velocity relation between the pump, signal and idler photons within the source medium [1].

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2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)

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