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Evidence for coherent quantum phase-slips across a Josephson junction array
Vladimir E. Manucharyan, Nicholas A. Masluk, Archana Kamal +3
Superconducting order in a sufficiently narrow and infinitely long wire is destroyed at zero temperature by quantum fluctuations, which induce slips of the phase of the order…
Two-mode Correlation of Microwave Quantum Noise Generated by Parametric Down-Conversion
N. Bergeal, F. Schackert, L. Frunzio +1
In this letter, we report the observation of the correlation between two modes of microwave radiation resulting from the amplification of quantum noise by the Josephson Parametric…
Noiseless nonreciprocity in a parametric active device
Archana Kamal, John Clarke, Michel Devoret
Nonreciprocal devices such as circulators and isolators belong to an important class of microwave components employed in applications like the measurement of mesoscopic circuits at…
Preparation and Measurement of Three-Qubit Entanglement in a Superconducting Circuit
L. DiCarlo, M. D. Reed, L. Sun +7
Traditionally, quantum entanglement has played a central role in foundational discussions of quantum mechanics. The measurement of correlations between entangled particles can exhi…