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Continuous-variable quantum-information distributor: Reversible telecloning

Journal Article · · Physical Review. A
DOI:https://doi.org/10.1103/PHYSREVA.73.0· OSTI ID:20787088
; ;  [1]
  1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006 (China)
We first classify the quantum clone into irreversible and reversible types from the perspective of quantum-information distribution. We propose a scheme of continuous-variable reversible telecloning, which broadcast the information of an unknown state without loss from a sender to several spatially separated receivers exploiting multipartite entanglement as quantum channels. In this scheme, the quantum information of an unknown state is distributed into M optimal clones and M-1 anticlones using 2M-partite entanglement. For the perfect quantum-information distribution that is optimal cloning, 2M-partite entanglement is required to be a maximum two-party entanglement.
OSTI ID:
20787088
Journal Information:
Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
Country of Publication:
United States
Language:
English

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