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Controlled Dense Coding by Using GHZ-Type State in Cavity QED |
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| Authors: | Yuan-hua Li Xiao-lan Li Yi-you Nie |
| Institution: | 1. Department of Physics, Jiangxi Normal University, Nanchang, 330022, China 2. Key Laboratory of Optoelectronic and Telecommunication of Jiangxi province, Nanchang, 330022, China 3. State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai, 200240, China |
| Abstract: | We present an experimentally feasible protocol for implementing controlled dense coding by using a three-atom GHZ-type state in cavity quantum electrodynamics (QED). In cavity QED system, we have proposed to generate a three-atom GHZ-type state and demonstrated that the probability of implementing controlled dense coding is 100 %. In addition, our approach can be realized with present cavity QED techniques. |
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