Heralded path-entangled NOON states generation from a reconfigurable photonic chip

doi:10.1088/1674-1056/ac3501

中国物理B ›› 2022, Vol. 31 ›› Issue (6): 64203-064203.doi: 10.1088/1674-1056/ac3501

Heralded path-entangled NOON states generation from a reconfigurable photonic chip

Xinyao Yu(于馨瑶), Pingyu Zhu(朱枰谕), Yang Wang(王洋), Miaomiao Yu(余苗苗), Chao Wu(吴超),Shichuan Xue(薛诗川), Qilin Zheng(郑骑林), Yingwen Liu(刘英文), Junjie Wu(吴俊杰), and Ping Xu(徐平)^†

Institute for Quantum Information&State Key Laboratory of High Performance Computing, College of Computer Science and Technology, National University of Defense Technology, Changsha 410073, China

收稿日期:2021-10-14 修回日期:2021-10-26 接受日期:2021-11-01 出版日期:2022-05-17 发布日期:2022-05-26
通讯作者: Ping Xu E-mail:pingxu520@nju.edu.cn
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2017YFA0303700) and the Open Funds from the State Key Laboratory of High Performance Computing of China (HPCL, National University of Defense Technology).

Heralded path-entangled NOON states generation from a reconfigurable photonic chip

Institute for Quantum Information&State Key Laboratory of High Performance Computing, College of Computer Science and Technology, National University of Defense Technology, Changsha 410073, China

Received:2021-10-14 Revised:2021-10-26 Accepted:2021-11-01 Online:2022-05-17 Published:2022-05-26
Contact: Ping Xu E-mail:pingxu520@nju.edu.cn
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2017YFA0303700) and the Open Funds from the State Key Laboratory of High Performance Computing of China (HPCL, National University of Defense Technology).

摘要/Abstract

摘要： Maximal multi-photon entangled states, known as NOON states, play an essential role in quantum metrology. With the number of photons growing, NOON states are becoming increasingly powerful and advantageous for obtaining supersensitive and super-resolved measurements. In this paper, we propose a universal scheme for generating three- and four-photon path-entangled NOON states on a reconfigurable photonic chip via photons subtracted from pairs and detected by heralding counters. Our method is postselection free, enabling phase supersensitive measurements and sensing at the Heisenberg limit. Our NOON-state generator allows for integration of quantum light sources as well as practical and portable precision phase-related measurements.

关键词: path-entangled NOON state, phase measurement

Abstract: Maximal multi-photon entangled states, known as NOON states, play an essential role in quantum metrology. With the number of photons growing, NOON states are becoming increasingly powerful and advantageous for obtaining supersensitive and super-resolved measurements. In this paper, we propose a universal scheme for generating three- and four-photon path-entangled NOON states on a reconfigurable photonic chip via photons subtracted from pairs and detected by heralding counters. Our method is postselection free, enabling phase supersensitive measurements and sensing at the Heisenberg limit. Our NOON-state generator allows for integration of quantum light sources as well as practical and portable precision phase-related measurements.

Key words: path-entangled NOON state, phase measurement

中图分类号: (Quantum optics)

42.50.-p

42.50.Dv (Quantum state engineering and measurements) 03.67.-a (Quantum information)

Xinyao Yu(于馨瑶), Pingyu Zhu(朱枰谕), Yang Wang(王洋), Miaomiao Yu(余苗苗), Chao Wu(吴超),Shichuan Xue(薛诗川), Qilin Zheng(郑骑林), Yingwen Liu(刘英文), Junjie Wu(吴俊杰), and Ping Xu(徐平). Heralded path-entangled NOON states generation from a reconfigurable photonic chip[J]. 中国物理B, 2022, 31(6): 64203-064203.

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Heralded path-entangled NOON states generation from a reconfigurable photonic chip

Heralded path-entangled NOON states generation from a reconfigurable photonic chip

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