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Chinese Physics, 2007, Vol. 16(9): 2557-2562    DOI: 10.1088/1009-1963/16/9/010
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Controlled teleportation of high-dimension quantum-states with generalized Bell-state measurement

Zhan You-Bang(詹佑邦)
Department of Physics, Huaiyin Teachers College, Huaian 223001, China
Abstract  In this paper a scheme for controlled teleportation of arbitrary high-dimensional unknown quantum states is proposed by using the generalized Bell-basis measurement and the generalized Hadamard transformation. As two special cases, two schemes of controlled teleportation of an unknown single-qutrit state and an unknown two-qutrit state are investigated in detail. In the first scheme, a maximally entangled three-qutrit state is used as the quantum channel, while in the second scheme, an entangled two-qutrit state and an entangled three-qutrit state are employed as the quantum channels. In these schemes, an unknown qutrit state can be teleported to either one of two receivers, but only one of them can reconstruct the qutrit state with the help of the other. Based on the case of qutrits, a scheme of controlled teleportation of an unknown qudit state is presented.
Keywords:  controlled teleportation      high-dimensional quantum state      generalized Bell-basis measurement      generalized Hadamard transformation  
Received:  26 December 2006      Revised:  18 January 2007      Accepted manuscript online: 
PACS:  03.65.Ud (Entanglement and quantum nonlocality)  
  03.67.Lx (Quantum computation architectures and implementations)  
Fund: Project supported by the Natural Science Foundation of Education Bureau of Jiangsu Province of China (Grant No~05 KJD 140035).

Cite this article: 

Zhan You-Bang(詹佑邦) Controlled teleportation of high-dimension quantum-states with generalized Bell-state measurement 2007 Chinese Physics 16 2557

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