Single telecom photon heralding by wavelength multiplexing in an optical fiber

被引：0

作者：

Andreas Lenhard

José Brito

Stephan Kucera

Matthias Bock

Jürgen Eschner

Christoph Becher

机构：

[1] Universität des Saarlandes,Quantenoptik, Fachrichtung 7.2

[2] Universität des Saarlandes,Quantenphotonik, Fachrichtung 7.2

来源：

Applied Physics B | 2016年 / 122卷

关键词：

Laser Pulse; Fiber Bragg Grating; Quantum Channel; Wavelength Division Multiplexer; Lithium Niobate;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We demonstrate the multiplexing of a weak coherent and a quantum state of light in a single telecommunication fiber. For this purpose, we make use of spontaneous parametric down conversion and quantum frequency conversion to generate photon pairs at 854 nm and the telecom O-band. The herald photon at 854 nm triggers a telecom C-band laser pulse. The telecom single photon (O-band) and the laser pulse (C-band) are combined and coupled to a standard telecom fiber. Low-background time correlation between the weak coherent and quantum signal behind the fiber shows successful multiplexing.

引用

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