Entangled X-Ray Photon Pair Generation by Free-Electron Lasers

被引：0

作者：

Zhang L. ^{[1
]}

Li Z. ^{[1
]}

Liu D. ^{[1
,2
]}

Wu C. ^{[1
,3
,4
]}

Xu H. ^{[5
,6
,7
]}

Li Z. ^{[1
]}

机构：

[1] State Key Laboratory for Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University, Beijing

[2] Physics Department, Stanford University, 94305, CA

[3] Collaborative Innovation Center of Extreme Optics, Shanxi University, Shanxi, Taiyuan

[4] Peking University, Yangtze Delta Institute of Optoelectronics, Jiangsu, Nantong

[5] School of Materials Science and Intelligent Engineering, Nanjing University, Jiangsu, Suzhou

[6] Shishan Laboratory, Nanjing University, Jiangsu, Suzhou

[7] School of Physical Sciences, University of Science and Technology of China, Anhui, Hefei

来源：

Physical Review Letters | 2023年 / 131卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Electron pulse - Entangled photon pairs - Free-electron lasers - Photon pairs - Photon pairs generations - Property - Quantum electrodynamical theory - X-rays photons;

D O I：

10.1103/PhysRevLett.131.073601

中图分类号：

学科分类号：

摘要：

We investigate entangled x-ray photon pair emissions in a free-electron laser (FEL) and establish a quantum electrodynamical theory for coherently amplified entangled photon pair emission from microbunched electron pulses in the undulator. We provide a scheme to generate highly entangled x-ray photon pairs and numerically demonstrate the properties of entangled emission, which is of great importance in x-ray quantum optics. Our work shows a unique advantage of FELs in entangled x-ray photon pair generation. © 2023 American Physical Society.

引用

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