Nonclassical photon-pair source based on noiseless photon echo
- URL: http://arxiv.org/abs/2304.13444v1
- Date: Wed, 26 Apr 2023 10:57:40 GMT
- Title: Nonclassical photon-pair source based on noiseless photon echo
- Authors: Duo-Lun Chen, Zong-Quan Zhou, Chuan-Feng Li, and Guang-Can Guo
- Abstract summary: We propose a DLCZ-like scheme based on the noiseless photon echo in rare-earth ion-doped crystals.
Correlated photon pairs with a controllable delay can be created by the direct optical rephasing.
This protocol could be feasibly implemented to establish long-lived quantum correlations between a photon and a spin-wave excitation in rare-earth ion-doped crystals.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The Duan-Lukin-Cirac-Zoller (DLCZ) scheme is a potential method to establish
remote entanglements and realize large-scale quantum networks. Here we propose
a DLCZ-like scheme based on the noiseless photon echo in rare-earth ion-doped
crystals. Correlated photon pairs with a controllable delay can be created by
the direct optical rephasing. Theoretical analysis indicates that the protocol
is efficient in the low-optical-depth regime. This protocol could be feasibly
implemented to establish long-lived quantum correlations between a photon and a
spin-wave excitation in rare-earth ion-doped crystals.
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