Chinese Journal of Quantum Electronics, Volume. 33, Issue 2, 177(2016)
Controlled two-way quantum teleportation based on five particle cluster state
A scheme was proposed that the five particle cluster state shared by three parties functions as the quantum channel for the two-way teleportation of a single particle, in which the two communicating parties Alice and Bob each have two particles of the five particle cluster state and the particles A and B of the unknown single particle state, and the controller Cindy has one particle of the five particle cluster state. To start with, Alice and Bob have to perform respectively Bell-state measurements of the particle A and B in their hands and the one particle in the channel, informing each other plus the controller Cindy of the measurement through the classical channel. Then, Cindy has to conduct single-particle projective measurement of one particle that she has, notifying the measurement results of Alice and Bob in the same way. Based on the measurement of the three parties Alice and Bob have to make their own appropriate unitary operations of another particle so that they can get the quantum state that they are sending to each other, helping to achieve the aim of the controlled two-way teleportation of single particle state.
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ZHENG Xiaoyi. Controlled two-way quantum teleportation based on five particle cluster state[J]. Chinese Journal of Quantum Electronics, 2016, 33(2): 177
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Received: Feb. 15, 2015
Accepted: --
Published Online: Mar. 29, 2016
The Author Email: Xiaoyi ZHENG (kyle87@126.com)