Abstract
Multipartite entangled state is the basic resource for implementing quantum information networks and quantum computation. In this paper, we present the experimental demonstration of the eight-partite two-diamond shape cluster states for continuous variables, which consist of eight spatially separated and entangled optical modes. Eight resource squeezed states of light with classical coherence are produced by four nondegenerate optical parametric amplifiers and then they are transformed to the eight-partite two-diamond shape cluster states by a specially designed linear optical network. Since the spatially separated multipartite entangled state can be prepared off-line, it can be conveniently applied in the future quantum technology.
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Su, XL., Hao, SH., Zhao, YP. et al. Demonstration of eight-partite two-diamond shape cluster state for continuous variables. Front. Phys. 8, 20–26 (2013). https://doi.org/10.1007/s11467-013-0284-1
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DOI: https://doi.org/10.1007/s11467-013-0284-1