26 November 2007 Entanglement generation with coherent light via cross-Kerr-nonlinearity
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We propose a scheme for generating entangled states of light fields. This scheme only requires the cross-Kerr nonlinear interaction between coherent light-beams, followed by a homodyne detection. Therefore, this scheme is within the reach of current technology. We study in detail the generation of the entangled states between two modes, and that among three modes. In addition to the Bell states between two modes and the W states among three modes, we find plentiful new kinds of entangled states. Finally, the scheme can be extend to generate the entangled states among more than three modes.
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Zhi-Ming Zhang, Zhi-Ming Zhang, Jian Yang, Jian Yang, Yafei Yu, Yafei Yu, "Entanglement generation with coherent light via cross-Kerr-nonlinearity", Proc. SPIE 6827, Quantum Optics, Optical Data Storage, and Advanced Microlithography, 682706 (26 November 2007); doi: 10.1117/12.755488; https://doi.org/10.1117/12.755488

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