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14 papers · 2 filters
Direct high-resolution characterization of quantum correlations via classical measurements
Andreas Eckstein, Guillaume Boucher, Aristide Lemaître +6
Quantum optics plays a central role in the study of fundamental concepts in quantum mechanics, and in the development of new technological applications. Typical experiments employ…
Doubly-Special Relativity from Quantum Cellular Automata
A. Bibeau-Delisle, A. Bisio, G. M. D'Ariano +2
It is shown how a Doubly-Special Relativity model can emerge from a quantum cellular automaton description of the evolution of countably many interacting quantum systems. We consid…
State estimation: direct state measurement vs. tomography
Lorenzo Maccone, Cosimo C. Rusconi
We compare direct state measurement (DST or weak state tomography) to conventional state reconstruction (tomography) through accurate Monte-Carlo simulations. We show that DST is s…
Time from quantum entanglement: an experimental illustration
Ekaterina Moreva, Giorgio Brida, Marco Gramegna +3
In the last years several theoretical papers discussed if time can be an emergent property deriving from quantum correlations. Here, to provide an insight into how this phenomenon…
Cooperativity of a few quantum emitters in a single-mode cavity
Eduardo Mascarenhas, Dario Gerace, Marcelo França Santos +1
We theoretically investigate the emission properties of a single-mode cavity coupled to a mesoscopic number of incoherently pumped quantum emitters. We propose an operational measu…
Quantum-Information Processing with Hybrid Spin-Photon Qubit Encoding
S. Carretta, A. Chiesa, F. Troiani +3
We introduce a scheme to perform quantum-information processing that is based on a hybrid spin-photon qubit encoding. The proposed qubits consist of spin-ensembles coherently coupl…