Abstract
Generating entangled states efficiently is a hot topic in the area of quantum information science. With the approach presented in this paper, a general parity gate could be realized and a wide range of entangled states, including GHZ state, W state, Dicke state, arbitrary graph state and locally maximally entanglable states, can be generated flexibly. The generation of GHZ state, W state, and Dicke state is probabilistic but heralded and the total success probability is unit. In addition, the arbitrary graph state and locally maximally entanglable states generation is deterministic, flexible, and highly efficient. Especially, with the “simultaneous” generation pattern, the complexity of the graph state generation and locally maximally entanglable states generation could be reduced greatly, providing a more efficient and feasible way to generate the entangled states.
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