| Issue |
EPL
Volume 139, Number 2, July 2022
|
|
|---|---|---|
| Article Number | 28001 | |
| Number of page(s) | 5 | |
| Section | Quantum information | |
| DOI | https://doi.org/10.1209/0295-5075/ac8070 | |
| Published online | 26 July 2022 | |
Diffraction-induced entanglement loss of high-dimensional orbital angular-momentum states
1 Shanghai Aerospace Electronic Technology Institute - Shanghai 201109, China
2 State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University Beijing 100084, China
(a) zhukt16@mails.tsinghua.edu.cn
(b) yezhangdong@126.com (corresponding author)
Received: 16 May 2022
Accepted: 12 July 2022
The entanglement loss of high-dimensional entangled orbital angular-momentum states in far-field diffraction by a circular aperture was studied theoretically. A general expression for high-dimensional entanglement decay is provided. The results show that the loss depends on both the parity and the magnitude of the orbital angular-momentum index, and it is not affected by a small misalignment error of the aperture.
© 2022 EPLA
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