21 citations · 78 across the 11 of their papers we have counts for
11 papers · 1 filter
Probing an electron spin ensemble with squeezed microwave signals
P. Oehrl, F. Fesquet, K. E. Honasoge +5
The efficient transfer of quantum states into a long-lived storage unit such as solid-state spin ensembles is widely recognized as a critical challenge with significant implication…
Quantum teleportation over thermal microwave network
W. K. Yam, S. Gandorfer, F. Fesquet +5
Quantum communication in the microwave regime is set to play an important role in distributed quantum computing and hybrid quantum networks. However, typical superconducting quantu…
Fabrication of low-loss Josephson parametric devices
K. E. Honasoge, M. Handschuh, W. K. Yam +7
Superconducting circuits incorporating Josephson elements represent a promising hardware platform for quantum technologies. Potential applications include scalable quantum computin…
Onset of transmon ionization in microwave single-photon detection
Yuki Nojiri, Kedar E. Honasoge, Achim Marx +2
By strongly driving a transmon-resonator system, the transmon qubit may eventually escape from its cosine-shaped potential. This process is called transmon ionization (TI) and know…
Cryogenic microwave link for quantum local area networks
W. K. Yam, M. Renger, S. Gandorfer +16
Scalable quantum information processing with superconducting circuits is expected to advance from individual processors located in single dilution refrigerators to more powerful di…
Quantum microwave parametric interferometer
F. Kronowetter, F. Fesquet, M. Renger +7
Classical interferometers are indispensable tools for the precise determination of various physical quantities. Their accuracy is bound by the standard quantum limit. This limit ca…
Flow of quantum correlations in noisy two-mode squeezed microwave states
M. Renger, S. Pogorzalek, F. Fesquet +10
We study nonclassical correlations in propagating two-mode squeezed microwave states in the presence of noise. We focus on two different types of correlations, namely, quantum enta…
Perspectives of microwave quantum key distribution in open-air
Florian Fesquet, Fabian Kronowetter, Michael Renger +8
One of the cornerstones of quantum communication is the unconditionally secure distribution of classical keys between remote parties. This key feature of quantum technology is base…
The scattering coefficients of superconducting microwave resonators: II. System-bath approach
Qi-Ming Chen, Matti Partanen, Florian Fesquet +8
We describe a unified quantum approach for analyzing the scattering coefficients of superconducting microwave resonators with a variety of geometries. We also generalize the method…
The scattering coefficients of superconducting microwave resonators: I. Transfer-matrix approach
Qi-Ming Chen, Meike Pfeiffer, Matti Partanen +9
We describe a unified classical approach for analyzing the scattering coefficients of superconducting microwave resonators with a variety of geometries. To fill the gap between exp…
Tuning and Amplifying the Interactions in Superconducting Quantum Circuits with Subradiant Qubits
Qi-Ming Chen, Florian Fesquet, Kedar E. Honasoge +7
We propose a tunable coupler consisting of N fixed-frequency qubits, which can tune and even amplify the effective interaction between two superconducting quantum circuits. The tun…