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Generation of hyperentangled four-photon cluster state via cross-Kerr nonlinearity
Author(s): 
Pages: 55-59
Year: Issue:  6
Journal: Chinese Physics B

Keyword:  hyperentangled cluster statecross-Kerr nonlinearityhomodyne detectioncontrolled-Z gate;
Abstract: We propose a scheme for generating a hyperentangled four-photon cluster state that is simultaneously entangled in polarization modes and spatial modes. This scheme is based on linear optical elements, weak cross-Kerr nonlinearity, and homodyne detection. Therefore, it is feasible with current experimental technology.
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