Pump-shaping of non-collinear and non-degenerate entangled photons

被引：3

作者：

Lib, Ohad ^{[1
]}

Bromberg, Yaron ^{[1
]}

机构：

[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel

来源：

OPTICS LETTERS | 2020年 / 45卷 / 24期

基金：

以色列科学基金会;

关键词：

DOWN-CONVERSION; LIGHT; PROPAGATION; WAVES; SPACE;

D O I：

10.1364/OL.411606

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Free-space quantum key distribution is gaining increasing interest as a leading platform for long range quantum communication. However, the sensitivity of quantum correlations to scattering induced by turbulent atmospheric links limits the performance of such systems. Recently, a method for compensating for the scattering of entangled photons was demonstrated, allowing for real-time optimization of their quantum correlations. In this Letter, we demonstrate the use of wavefront shaping for compensating for the scattering of non-collinear and non-degenerate entangled photons. These results demonstrate the applicability of wavefront shaping schemes for protocols utilizing the large bandwidth and emission angle of the entangled photons. (C) 2020 Optical Society of America

引用

页码：6827 / 6830

页数：4

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