Time-Bin-Encoded Boson Sampling with a Single-Photon Device

被引：150

作者：

He, Yu ^{[1
,2
,3
]}

Ding, X. ^{[1
,2
,3
]}

Su, Z. -E. ^{[1
,2
,3
]}

Huang, H. -L. ^{[1
,2
,3
]}

Qin, J. ^{[1
,2
,3
]}

Wang, C. ^{[1
,2
,3
]}

Unsleber, S. ^{[4
,5
]}

Chen, C. ^{[1
,2
,3
]}

Wang, H. ^{[1
,2
,3
]}

He, Y. -M. ^{[1
,2
,4
,5
]}

Wang, X. -L. ^{[1
,2
,3
]}

Zhang, W. -J. ^{[6
]}

Chen, S. -J. ^{[6
]}

Schneider, C. ^{[4
,5
]}

Kamp, M. ^{[4
,5
]}

You, L. -X. ^{[6
]}

Wang, Z. ^{[6
]}

Hoefling, S. ^{[1
,2
,4
,5
,7
]}

Lu, Chao-Yang ^{[1
,2
,3
]}

Pan, Jian-Wei ^{[1
,2
,3
]}

机构：

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

[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China

[3] Univ Sci & Technol China, CAS Alibaba Quantum Comp Lab, CAS Ctr Excellence Quantum Informat & Quantum Phy, Shanghai 201315, Peoples R China

[4] Univ Wurzburg, Tech Phys, Phys Inst, D-97074 Wuzburg, Germany

[5] Univ Wurzburg, Wilhelm Conrad Rontgen Ctr Complex Mat Syst, D-97074 Wuzburg, Germany

[6] Chinese Acad Sci, State Key Lab Funct Mat Informat, SIMIT, 865 Changning Rd, Shanghai 200050, Peoples R China

[7] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews KY16 9SS, Fife, Scotland

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 118卷 / 19期

基金：

中国国家自然科学基金;

关键词：

Photons - Elementary particle sources - Particle beams - Semiconductor quantum dots;

D O I：

10.1103/PhysRevLett.118.190501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Boson sampling is a problem strongly believed to be intractable for classical computers, but can be naturally solved on a specialized photonic quantum simulator. Here, we implement the first timebin-encoded boson sampling using a highly indistinguishable (similar to 94%) single-photon source based on a single quantum-dot-micropillar device. The protocol requires only one single-photon source, two detectors, and a loop-based interferometer for an arbitrary number of photons. The single-photon pulse train is time-bin encoded and deterministically injected into an electrically programmable multimode network. The observed three-and four-photon boson sampling rates are 18.8 and 0.2 Hz, respectively, which are more than 100 times faster than previous experiments based on parametric down-conversion.

引用

页数：6

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