Experimental Ten-Photon Entanglement

被引：464

作者：

Wang, Xi-Lin ^{[1
]}

Chen, Luo-Kan

Li, W.

Huang, H. -L.

Liu, C.

Chen, C.

Luo, Y. -H.

Su, Z. -E.

Wu, D.

Li, Z. -D.

Lu, H.

Hu, Y.

Jiang, X.

Peng, C. -Z.

Li, L.

Liu, N. -L.

Chen, Yu-Ao

Lu, Chao-Yang

Pan, Jian-Wei

机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 21期

基金：

中国国家自然科学基金;

关键词：

QUANTUM TELEPORTATION; PHOTON PAIRS; GENERATION;

D O I：

10.1103/PhysRevLett.117.210502

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first experimental demonstration of quantum entanglement among ten spatially separated single photons. A near-optimal entangled photon-pair source was developed with simultaneously a source brightness of similar to 12 MHz= W, a collection efficiency of similar to 70%, and an indistinguishability of similar to 91% between independent photons, which was used for a step-by-step engineering of multiphoton entanglement. Under a pump power of 0.57 W, the ten-photon count rate was increased by about 2 orders of magnitude compared to previous experiments, while maintaining a state fidelity sufficiently high for proving the genuine ten-particle entanglement. Our work created a state-of-the-art platform for multiphoton experiments, and enabled technologies for challenging optical quantum information tasks, such as the realization of Shor's error correction code and high-efficiency scattershot boson sampling.

引用

页数：6

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