64 citations · 232 across the 7 of their papers we have counts for
7 papers
3D microwave cavity with magnetic flux control and enhanced quality factor
Yarema Reshitnyk, Markus Jerger, Arkady Fedorov
Three-dimensional (3D) superconducting microwave cavities with large mode volumes typically have high quality factors (). This is due to a reduced sensitivity to surface die…
Contextuality without nonlocality in a superconducting quantum system
Markus Jerger, Yarema Reshitnyk, Markus Oppliger +8
Classical realism demands that system properties exist independently of whether they are measured, while noncontextuality demands that the results of measurements do not depend on…
Realization of a binary-outcome projection measurement of a three-level superconducting quantum system
Markus Jerger, Pascal Macha, Andrés Rosario Hamann +3
Binary-outcome measurements allow to determine whether a multi-level quantum system is in a certain state while preserving quantum coherence between all orthogonal states. In this…
Investigation of nonlinear effects in Josephson parametric oscillators used in circuit QED
Philip Krantz, Yarema Reshitnyk, Waltraut Wustmann +6
We experimentally study the behavior of a parametrically pumped nonlinear oscillator, which is based on a superconducting λ/4 resonator, and is terminated by a flux-tunable SQUID.…
Hybrid Electron Spin Resonance and Whispering Gallery Mode Resonance Spectroscopy of Fe3+ in Sapphire
Karim Benmessai, Warrick G. Farr, Daniel L. Creedon +4
The development of a new era of quantum devices requires an understanding of how paramagnetic dopants or impurity spins behave in crystal hosts. Here, we describe a new spectroscop…
High Q-factor Sapphire Whispering Gallery Mode Microwave Resonator at Single Photon Energies and milli-Kelvin Temperatures
Daniel L. Creedon, Yarema Reshitnyk, Warrick Farr +3
The microwave properties of a crystalline sapphire dielectric whispering gallery mode resonator have been measured at very low excitation strength (E/hf=1) and low temperatures (T…
Single Crystal Sapphire at milli-Kelvin Temperatures: Observation of Electromagnetically Induced Thermal Bistability in High Q-factor Whispering Gallery Modes
Daniel L. Creedon, Michael E. Tobar, Jean-Michel Le Floch +2
Resonance modes in single crystal sapphire (-AlO) exhibit extremely high electrical and mechanical Q-factors ( at 4K), which are important characteristics…