Efficient scheme for the preparation of symmetric Dicke states via cross-Kerr nonlinearity |
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| Authors: | Chunran Zhao Liu Ye |
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| Institution: | a School of Physics & Material Science, Anhui University, Hefei 230039, PR China
b School of Physics & Electronic Information, Huaibei Normal University, Huaibei 235000, PR China |
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| Abstract: | A scheme is proposed for generating maximally entangled Dicke states among four modes. The scheme only uses Kerr medium and homodyne measurements on coherent light fields, which can be efficiently made in quantum optical laboratories. The scheme can be generalized to produce maximally entangled 2k-qubit states. |
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| Keywords: | Dicke state Cross-Kerr nonlinearity Homodyne measurement |
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