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Entanglement transfer from photon-subtracted and photon-added two-mode squeezed fields to a pair of qubits |
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| Authors: | Ping Chang Bin Shao |
| Institution: | a Key Laboratory of Atomic and Molecular Sciences, and Department of Physics, Tsinghua University, Beijing 100084, China b Department of Physics, Beijing Institute of Technology, Beijing 100081, China c Tsinghua National Laboratory of Information Science and Technology, Tsinghua University, Beijing 100084, China |
| Abstract: | We investigate the entanglement transfer from a bipartite non-Gaussian continuous-variable (CV) system to a pair of localized qubits. The non-Gaussian state is obtained by the de-Gaussification process involving subtracting photons from or adding photons to a Gaussian field. It is shown that such de-Gaussification process can improve the entanglement transfer. |
| Keywords: | 03 67 Mn 42 50 Dv |
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