中国物理B ›› 2021, Vol. 30 ›› Issue (3): 30304-.doi: 10.1088/1674-1056/abd7d5

• GENERAL • 上一篇    下一篇

  

  • 收稿日期:2020-11-24 修回日期:2020-12-26 接受日期:2021-01-04 出版日期:2021-02-22 发布日期:2021-02-22

Deterministic nondestructive state analysis for polarization-spatial-time-bin hyperentanglement with cross-Kerr nonlinearity

Hui-Rong Zhang(张辉荣), Peng Wang(王鹏), Chang-Qi Yu(于长琦), and Bao-Cang Ren(任宝藏)†   

  1. 1 Department of Physics, Capital Normal University, Beijing 100048, China
  • Received:2020-11-24 Revised:2020-12-26 Accepted:2021-01-04 Online:2021-02-22 Published:2021-02-22
  • Contact: Corresponding author. E-mail: renbaocang@cnu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 11604226) and Science and Technology Program Foundation of the Beijing Municipal Commission of Education of China (Grants No. CIT&TCD201904080).

Abstract: We present a deterministic nondestructive hyperentangled Bell state analysis protocol for photons entangled in three degrees of freedom (DOFs), including polarization, spatial-mode, and time-bin DOFs. The polarization Bell state analyzer and spatial-mode Bell state analyzer are constructed by polarization parity-check quantum nondemolition detector (P-QND) and spatial-mode parity-check quantum nondemolition detector (S-QND) using cross-Kerr nonlinearity, respectively. The time-bin Bell state analyzer is constructed by the swap gate for polarization state and time-bin state of a photon (P-T swap gate) and P-QND. The Bell states analyzer for one DOF will not destruct the Bell states of other two DOFs, so the polarization-spatial-time-bin hyperentangled Bell states can be determinately distinguished without destruction. This deterministic nondestructive state analysis method has useful applications in quantum information protocols.

Key words: quantum communication, deterministic nondestructive state analysis, polarization-spatial-time-bin hyperentanglement

中图分类号:  (Quantum information)

  • 03.67.-a
03.67.Hk (Quantum communication) 03.67.Dd (Quantum cryptography and communication security) 03.65.Ud (Entanglement and quantum nonlocality)