61 citations · 263 across the 14 of their papers we have counts for
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cond-mat.supr-con2017★ 18 cited
Josephson parametric reflection amplifier with integrated directionality
M. P. Westig, T. M. Klapwijk
A directional superconducting parametric amplifier in the GHz frequency range is designed and analyzed, suitable for low-power read-out of microwave kinetic inductance detectors em…
cond-mat.mes-hall2017★ 56 cited
Emission of non-classical radiation by inelastic Cooper pair tunneling
M. Westig, B. Kubala, O. Parlavecchio +11
We show that a properly dc-biased Josephson junction in series with two microwave resonators of different frequencies emits photon pairs in the resonators. By measuring auto- and i…