Quantum technologies with hybrid systems

G Kurizki, P Bertet, Y Kubo, K Mølmer… - Proceedings of the …, 2015 - pnas.org
An extensively pursued current direction of research in physics aims at the development of
practical technologies that exploit the effects of quantum mechanics. As part of this ongoing …

High-kinetic-inductance superconducting nanowire resonators for circuit QED in a magnetic field

N Samkharadze, A Bruno, P Scarlino, G Zheng… - Physical Review …, 2016 - APS
We present superconducting microwave-frequency resonators based on NbTiN nanowires.
The small cross section of the nanowires minimizes vortex generation, making the …

Cavity quantum electrodynamics with ferromagnetic magnons in a small yttrium-iron-garnet sphere

D Zhang, XM Wang, TF Li, XQ Luo, W Wu… - npj Quantum …, 2015 - nature.com
Hybridizing collective spin excitations and a cavity with high cooperativity provides a new
research subject in the field of cavity quantum electrodynamics and can also have potential …

Realization of microwave quantum circuits using hybrid superconducting-semiconducting nanowire Josephson elements

G De Lange, B Van Heck, A Bruno, DJ Van Woerkom… - Physical review …, 2015 - APS
We report the realization of quantum microwave circuits using hybrid superconductor-
semiconductor Josephson elements comprised of InAs nanowires contacted by NbTiN …

Twenty-three–millisecond electron spin coherence of erbium ions in a natural-abundance crystal

M Le Dantec, M Rančić, S Lin, E Billaud, V Ranjan… - Science …, 2021 - science.org
Erbium ions embedded in crystals have unique properties for quantum information
processing, because of their optical transition at 1.5 μm and of the large magnetic moment of …

Quantum-interference-enhanced magnon blockade in an yttrium-iron-garnet sphere coupled to superconducting circuits

J **e, S Ma, F Li - Physical Review A, 2020 - APS
We study the generation of a magnon blockade in a single-crystalline yttrium-iron-garnet
(YIG) sphere coupled to a three-dimensional superconducting microwave resonator that …