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- Forschungszentrum JülichDE94 papers
- Centre National de la Recherche ScientifiqueFR87 papers
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10 papers · 2 filters
Quantum key distribution with finite resources: Taking advantage of quantum noise
Markus Mertz, Hermann Kampermann, Zahra Shadman +1
We compare the effect of different noise scenarios on the achievable rate of an epsilon-secure key for the BB84 and the six-state protocol. We study the situation where quantum noi…
Are general quantum correlations monogamous?
Alexander Streltsov, Gerardo Adesso, Marco Piani +1
Quantum entanglement and quantum non-locality are known to exhibit monogamy, that is, they obey strong constraints on how they can be distributed among multipartite systems. Quantu…
Finite-key analysis of the six-state protocol with photon-number-resolution detectors
Silvestre Abruzzo, Markus Mertz, Hermann Kampermann +1
The six-state protocol is a discrete-variable protocol for quantum key distribution, that permits to tolerate a noisier channel than the BB84 protocol. In this work we provide a lo…
Optimal super dense coding over memory channels
Zahra Shadman, Hermann Kampermann, Chiara Macchiavello +1
We study the super dense coding capacity in the presence of quantum channels with correlated noise. We investigate both the cases of unitary and non-unitary encoding. Pauli channel…
Thermal noise of whispering gallery resonators
Akobuije Chijioke, Qun-Feng Chen, Alexander Yu. Nevsky +1
By direct application of the fluctuation-dissipation theorem, we numerically calculate the fundamental dimensional fluctuations of crystalline CaF2 whispering gallery resonators in…
Behavior of Quantum Correlations under Local Noise
Alexander Streltsov, Hermann Kampermann, Dagmar Bruß
We characterize the behavior of quantum correlations under the influence of local noisy channels. Intuition suggests that such noise should be detrimental for quantumness. When con…