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Microwave signal processing using an analog quantum reservoir computer
Alen Senanian, Sridhar Prabhu, Vladimir Kremenetski +8
Quantum reservoir computing (QRC) has been proposed as a paradigm for performing machine learning with quantum processors where the training is efficient in the number of required…
Chiral adiabatic transmission protected by Fermi surface topology
Isidora Araya Day, Kostas Vilkelis, Antonio L. R. Manesco +3
We demonstrate that Andreev modes that propagate along a transparent Josephson junction have a perfect transmission at the point where three junctions meet. The chirality and the n…
Dissipationless Nonlinearity in Quantum Material Josephson Diodes
Constantin Schrade, Valla Fatemi
Dissipationless nonlinearities for three-wave mixing are a key component of many superconducting quantum devices, such as amplifiers and bosonic qubits. So far, such third-order no…
Double-Fourier engineering of Josephson energy-phase relationships applied to diodes
A. Mert Bozkurt, Jasper Brookman, Valla Fatemi +1
We present a systematic method to design arbitrary energy-phase relations using parallel arms of two series Josephson tunnel junctions each. Our approach employs Fourier engineerin…
Coexistence of nonequilibrium density and equilibrium energy distribution of quasiparticles in a superconducting qubit
Thomas Connolly, Pavel D. Kurilovich, Spencer Diamond +5
The density of quasiparticles typically observed in superconducting qubits exceeds the value expected in equilibrium by many orders of magnitude. Can this out-of-equilibrium quasip…