Laser & Optoelectronics Progress, Volume. 56, Issue 21, 212701(2019)
Converting W-State into GHZ-State Based on Cross-Kerr Nonlinearity and Coupling Systems of Nitrogen-Vacancy Color Center in Diamond and Microtoroidal Resonator
In this study, we propose a scheme to transform quantum entangled states. In this scheme, a quantum controlled-not (CNOT) gate is realized in coupling systems of the nitrogen-vacancy (NV) color center in diamond and microtoroidal resonators (MTR). A quantum entangled W-state is converted to an entangled GHZ-state based on the cross-Kerr nonlinearity. The scheme displays a high conversion efficiency under the current experimental conditions. This may effectively assist in the preparation of quantum entangled states and the implementation of quantum information processing.
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Shuai Feng, Taian Wang, Yong Zhang. Converting W-State into GHZ-State Based on Cross-Kerr Nonlinearity and Coupling Systems of Nitrogen-Vacancy Color Center in Diamond and Microtoroidal Resonator[J]. Laser & Optoelectronics Progress, 2019, 56(21): 212701
Category: Quantum Optics
Received: Feb. 25, 2019
Accepted: May. 5, 2019
Published Online: Nov. 2, 2019
The Author Email: Zhang Yong (zhyong98@bupt.edu.cn)