Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session G70: Poster Session I (2:00pm-5:00pm)
2:00 PM,
Tuesday, March 5, 2019
BCEC
Room: Exhibit Hall
Abstract: G70.00384 : 12-photon entanglement and scalable scattershot boson sampling with optimal entangled photon pairs from parametric down-conversion
(Author Not Attending)
Abstract 
Presenter:
Han-Sen Zhong
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Authors:
Han-Sen Zhong
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Yuan Li
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Wei Li
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Li-Chao Peng
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Zu-En Su
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Yi Hu
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Yu-Ming He
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Xing Ding
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Weijun Zhang
(State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro system and Information Technology (SIMIT), Chinese Academy of Sciences)
Hao li
(State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro system and Information Technology (SIMIT), Chinese Academy of Sciences)
Lu Zhang
(State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro system and Information Technology (SIMIT), Chinese Academy of Sciences)
Zhen Wang
(State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro system and Information Technology (SIMIT), Chinese Academy of Sciences)
Lixing You
(State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro system and Information Technology (SIMIT), Chinese Academy of Sciences)
Jun Zhang
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Xi-Lin Wang
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Li Li
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Yu-Ao Chen
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Nai-Le Liu
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Chao-Yang Lu
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
Jian-Wei Pan
(Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China)
To prove the powerful of this SPDC source, we produced the first 12-photon entangled GHZ state and implement 3-, 4-, and 5-photon scattershot boson sampling experiment. In 12-photon entanglement experiment, we extend the previous scheme directly. We measured the population and coherence of the GHZ state, and then calculated the fidelity of 0.576(24), which exceed the threshold 0.5 more than 3 times of standard deviation. In scattershot boson sampling experiment, 12 SPDC photon pair sources are employed. The count rate of 3-, 4-, and 5-photon coincidence is 3.9 kHz, 44 Hz and 0.3 Hz, respectively. We validate the sampling result with a modified likelihood ratio test. All of them show a continual deviation from distinguishable particle.
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