Passive Environment-Assisted Quantum Communication with GKP States
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DOI: 10.1103/physrevx.15.021003
Abstract: Bosonic pure-loss channel, which represents the process of photons decaying into a vacuum environment, has zero quantum capacity when the channel’s transmissivity is less than 50%. Modeled as a beam splitter interaction between the system… read more here.
Keywords: gkp states; quantum communication; environment; passive environment ... See more keywords
Capacities of Gaussian Quantum Channels With Passive Environment Assistance
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DOI: 10.1109/tit.2021.3122150
Abstract: Passive environment-assisted communication takes place via a quantum channel modeled as a unitary interaction between the information carrying system and an environment, where the latter is controlled by a passive helper, who can set its… read more here.
Keywords: communication; classical communication; passive environment; environment ... See more keywords