Manipulating the orbital-angular-momentum correlation of entangled two-photon states in three-dimensional nonlinear photonic crystals

Chuan Xu, Songtao Huang, Qian Yu, Dunzhao Wei, Pengcheng Chen, Saiwei Nie, Yong Zhang, and Min Xiao
Phys. Rev. A 104, 063716 – Published 27 December 2021
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Abstract

Three-dimensional (3D) nonlinear photonic crystal (NPC) has recently been realized in experiment, which provides a powerful platform for quantum-state engineering. Here, we propose a fork-grating 3D NPC scheme to manipulate orbital-angular-momentum (OAM) correlations of entangled two-photon pairs. The spiral spectra, bandwidths, and generation rates of counterpropagating and copropagating photon pairs are theoretically analyzed. Our results show that 3D NPC is of practical significance to generate high-dimensional OAM entanglement for quantum precision measurement, quantum computing, and quantum communication.

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  • Received 30 July 2021
  • Accepted 9 December 2021

DOI:https://doi.org/10.1103/PhysRevA.104.063716

©2021 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Photon pairs & parametric down-conversionQuantum entanglementSpatial profiles of optical beams
Atomic, Molecular & OpticalQuantum Information, Science & Technology

Authors & Affiliations

Chuan Xu1, Songtao Huang1, Qian Yu1, Dunzhao Wei2, Pengcheng Chen1, Saiwei Nie1, Yong Zhang1,*, and Min Xiao1,3

  • 1National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
  • 2School of Physics, Sun Yat-sen University, Guangzhou 510275, China
  • 3Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA

  • *zhangyong@nju.edu.cn

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Vol. 104, Iss. 6 — December 2021

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