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Applied Physics B

, 124:231 | Cite as

Numerical study of orbital angular momentum-entanglement in turbulence with adaptive optics system compensation

  • Huimin Ma
  • Yan Qiao
  • Haiqiu Liu
  • Chunshan Shen
Article
  • 39 Downloads

Abstract

While the entangled orbital angular momentum (OAM) photons propagate through the turbulent atmosphere, the OAM entanglement is decoherent. Adaptive optics (AO) system is an effective technique to mitigate wavefront distortion induced by atmospheric turbulence. In this paper, we investigate the performance of the system when the entangled OAM photons propagate though atmospheric turbulence with AO system compensation. The influence of reconstruction algorithm and spatial bandwidth of corrector is analyzed. The results show that branch-point (BP) algorithm has better compensation performance when Rytov number > 0.2 than the least mean square error (LS) algorithm. High spatial bandwidth has better compensation performance.

Notes

Funding

This work was supported by Anhui Natural Science Foundation (Grant no. 1808085QF218) and the National Natural Science Foundation of China (Grant no. 61805001).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Information and ComputerAnhui Agricultural UniversityHefeiChina

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