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One to many one-way control in quadripartite asymmetric Einstein-Podolsky-Rosen steering
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One to many one-way control in quadripartite asymmetric Einstein-Podolsky-Rosen steering
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Journal Article
One to many one-way control in quadripartite asymmetric Einstein-Podolsky-Rosen steering
2024
Overview
Einstein–Podolsky–Rosen (EPR) steering is different from quantum entanglement because of its unique asymmetry. Multipartite asymmetric EPR steering can break through one-to-one monogamy steering and achieve one to many one-way steering. That is to say, the state of one part can steer the other rest parts simultaneously, while the other parts cannot steer this part. Here, a scheme is proposed to generate one to many one-way steering by optical parametric amplification cascaded with a sum-frequency generation process. One to many non-monogamy EPR steering, such as one to two and one to three one-way steering are demonstrated based on the criterion for asymmetric EPR steering. It is also find that different kinds of asymmetric EPR steering can be obtained by choosing different nonlinear parameters. This non-monogamous one to many quantum control has potential application in constructing quantum networks and realizing one-way quantum computing.
Publisher
IOP Publishing
