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23 papers · 2 filters
Nonlinear Coupling of Linearly Uncoupled Resonators
M. Menotti, B. Morrison, K. Tan +3
We demonstrate a system composed of two resonators that are coupled solely through a nonlinear interaction, and where the linear properties of each resonator can be controlled loca…
Stimulated Emission Tomography: Beyond Polarization
Mario Arnolfo Ciampini, Andrea Geraldi, Valeria Cimini +4
In this work we demonstrate the use of stimulated emission tomography to characterize a hyper-entangled state generated by spontaneous parametric down-conversion in a CW-pumped sou…
Data-Driven Inference, Reconstruction, and Observational Completeness of Quantum Devices
Michele Dall'Arno, Francesco Buscemi, Alessandro Bisio +1
The range of a quantum measurement is the set of outcome probability distributions that can be produced by varying the input state. We introduce data-driven inference as a protocol…
An Artificial Neuron Implemented on an Actual Quantum Processor
Francesco Tacchino, Chiara Macchiavello, Dario Gerace +1
Artificial neural networks are the heart of machine learning algorithms and artificial intelligence protocols. Historically, the simplest implementation of an artificial neuron tra…
Ancilla-assisted schemes are beneficial for Gaussian state phase estimation
Zixin Huang, Chiara Macchiavello, Lorenzo Maccone +1
We study interferometry with Gaussian states and show that an ancilla-assisted scheme outperforms coherent state interferometry for all levels of loss. We also compare the ancilla-…
Meta-Entanglement
Paola Zizzi
We give a meta-logical interpretation of the entanglement mechanism of quantum space-time in terms of the sequent calculus of a quantum sub-structural logic. This meta-logical pict…