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Splitting four ensembles of two-qubit quantum information via three Einstein-Podolsky-Rosen pairs

  • W. Zhang
  • Y. M. Liu
  • X. F. Yin
  • Z. J. Zhang
Quantum Optics and Quantum Information

Abstract

Enlightened by Zhang and Cheung’s original idea [J. Phys. B 41, 015503 (2008)], we put forward a novel tripartite quantum information splitting scheme by using three Einstein-Podolsky-Rosen pairs as quantum channels. Our scheme is applicable for perfectly splitting four ensembles of quantum information known by the splitter in priori. In contrast to the general scheme using the same quantum channels [Eur. Phys. J. D 39, 459 (2006)], our scheme has distinct advantages in quantum resource consumption, quantum operation intensity, classical communication cost and efficiency when dealing with the four specific ensembles of quantum information.

PACS

03.67.Dd Quantum cryptography and communication security 03.67.Hk Quantum communication 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  1. 1.School of Physics & Material Science, Anhui UniversityHefeiP.R. China
  2. 2.Department of PhysicsShaoguan UniversityShaoguanP.R. China

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