模式扩展和布拉格滤波实现高保真度光纤基光子对源
量子物理
2017-08-23 v3
摘要
我们报道了一种光纤基单空间模式光子对源的研制，该源通过使用光纤端面扩展和布拉格滤波器，提高了提取光子对的效率，优于先前的源[18]。这种效率的提升使得我们获得了一个光谱明亮且纯净的光子对源，其具有小的二阶关联函数（0.03）和原始光谱亮度为44,700对/(秒·纳米·毫瓦)。该源可配置为产生纠缠光子对，通过最优和最小量子态层析成像表征，其保真度为97%，纠缠度为92%，且未减去任何背景。
引用
@article{arxiv.0906.3328,
title = {Mode expansion and Bragg filtering enable a high-fidelity fiber-based photon-pair source},
author = {Alexander Ling and Jun Chen and Jingyun Fan and Alan Migdall},
journal= {arXiv preprint arXiv:0906.3328},
year = {2017}
}
备注
Manuscript was edited to provide additional information on the end-tapered photonic crystal fibers and high efficiency volume Bragg gratings. The analysis of the extraction efficiency was also expanded, and experimental uncertainties included where relevant. This paper has been accepted for publication in Optics Express