科研之友
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摘要
Continuous-variable entanglement plays a very important role in quantum information processes. In quantum information protocols based on continuous variable entanglement, long-term data acquisition and information processing are necessary, such as gate sequence for quantum computation and gravitational wave detection. The degree of entanglement is mainly affected by the coating parameters of the output coupler. In this paper, we theoretically analyze the effect of different transmittances of the output coupler on the degree of entanglement, which provides a theoretical basis for further realizing high-degree and long-term stable of entanglement.
