Results 91 to 100 of about 378,715 (336)
Solving Quantum Channel Discrimination Problem With Quantum Networks and Quantum Neural Networks
IEEE Access, 2019 Distinguishing one quantum channel from another becomes a next natural question following the advent of quantum state discrimination. Here, we address the problem of quantum channel discrimination with the separable states and the entangled states input.
Peng-Hui Qiu +2 more
doaj +1 more source
An Infinite Sequence of Additive Channels: the Classical Capacity of Cloning Channels
, 2013 We introduce an infinite sequence of quantum channels for which the Holevo capacity is additive. The channel series is closely related to the quantum channels arising from universal quantum cloning machines. The additivity proof is motivated by a special
Bradler, Kamil
core +1 more source
Quantum channels from reflections on moving mirrors [PDF]
, 2017 Light reflection on a mirror can be thought as a simple physical effect. However if this happens when the mirror moves a rich scenario opens up. Here we aim at analyzing it from a quantum communication perspective.
Gianfelici, G., Mancini, S.
core +3 more sources
Entanglement cost of quantum channels [PDF]
2012 IEEE International Symposium on Information Theory Proceedings, 2012 The entanglement cost of a quantum channel is the minimal rate at which entanglement (between sender and receiver) is needed in order to simulate many copies of a quantum channel in the presence of free classical communication. In this paper we show how to express this quantity as a regularised optimisation of the entanglement formation over states ...
Berta, M +3 more
openaire +8 more sources
Advanced Functional Materials, EarlyView.The plasma edge of transparent conducting oxide SrNbO3 shifts from ∼2 eV in the visible range to 1.37 eV in the near‐infrared region by off‐stoichiometry using the vacancy sites as quasi‐substitutional virtual elements. This work advances the stoichiometry engineering of perovskite oxides using oxide molecular beam epitaxy, allowing synthesis beyond ...
Jasnamol Palakkal +11 more
wiley +1 more source
Amortization does not enhance the max-Rains information of a quantum channel
New Journal of Physics, 2018 Given an entanglement measure E , the entanglement of a quantum channel is defined as the largest amount of entanglement E that can be generated from the channel, if the sender and receiver are not allowed to share a quantum state before using the ...
Mario Berta, Mark M Wilde
doaj +1 more source
Quantum process tomography of a high-dimensional quantum communication channel [PDF]
Quantum, 2019 The characterization of quantum processes, e.g. communication channels, is an essential ingredient for establishing quantum information systems. For quantum key distribution protocols, the amount of overall noise in the channel determines the rate at ...
Frédéric Bouchard +7 more
doaj +1 more source
Entanglement required in achieving entanglement-assisted channel capacities
, 2002 Entanglement shared between the two ends of a quantum communication channel has been shown to be a useful resource in increasing both the quantum and classical capacities for these channels.
A. Ekert +27 more
core +1 more source
, 2020 We derive universal codes for transmission of broadcast and confidential messages over classical-quantum-quantum and fully quantum channels. These codes are robust to channel uncertainties considered in the compound model.
Boche, Holger +2 more
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Reciprocal Quantum Channels [PDF]
11th Italian Quantum Information Science conference (IQIS2018), 2019 We report the presence of an asymmetry that arises when considering the performances of quantum communication channels whose outputs are connected via a rigid, distance-preserving, yet not completely-positive, transformation. From a classical perspective these transmission lines should exhibit the same communication efficiency which is lost in the ...
Vittorio Giovannetti, Matteo Rosati
openaire +2 more sources