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A nearly deterministic scheme for generation of multiphoton GHZ states with weak cross-Kerr nonlinearity |
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| Authors: | Wang Yi Ye Liu Fang Bao-Long |
| Affiliation: | School of Physics and Material Science, Anhui University, Hefei 230039, China; Teaching and Research Section of Physics, School of Life Sciences, Anhui Medical University, Hefei 230032, China |
| Abstract: | We propose a scheme to generate polarization-entangled multiphoton Greenberger-Horne-Zeilinger (GHZ) states based on weak cross-Kerr nonlinearity and subsequent homodyne measurement. It can also be generalized to produce maximally N-qubit entangled states. The success probabilities of our schemes are almost equal to 1. |
| Keywords: | GHZ state cross-Kerr nonlinearity quantum entanglement |
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