New upper bounds on the quantum capacity for general attenuator and amplifier

There have been several upper bounds on the quantum capacity of the single-mode Gaussian channels with thermal noise, such as thermal attenuator and amplifier. We consider a class of attenuator and amplifier with more general noises, including squeezing or even non-Gaussian cases. We introduce new u...

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Bibliographische Detailangaben

Hauptverfasser:	Jeong, Kabgyun, Lim, Youngrong, Kim, Jaewam, Lee, Soojoon
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Amplifiers Attenuation Channels Entropy Lower bounds Normal distribution Thermal noise Transmissivity Upper bounds
Online-Zugang:	Volltext
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