Threshold quantum distillation

Shashank Gupta; Carlos Cid; William John Munro

doi:10.1117/12.3034544

4 October 2024 Threshold quantum distillation

Shashank Gupta, Carlos Cid, William John Munro

Proceedings Volume 13148, Quantum Communications and Quantum Imaging XXII; 131480H (2024) https://doi.org/10.1117/12.3034544
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Conference Poster

Abstract

Quantum distillation is the task of concentrating quantum correlations present in N imperfect copies using free operations by involving all P the parties sharing the quantum correlation. We present a threshold quantum distillation task where the same objective is achieved but using a lesser number of parties (K<P). In particular, we give exact local filtering operations by the participating parties sharing a high-dimension multipartite entangled state to distil the perfect quantum correlation. Later, we bridge a connection between threshold quantum entanglement distillation and quantum steering distillation.

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Shashank Gupta, Carlos Cid, and William John Munro "Threshold quantum distillation", Proc. SPIE 13148, Quantum Communications and Quantum Imaging XXII, 131480H (4 October 2024); https://doi.org/10.1117/12.3034544

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