Effects of surface treatments and UHV packaging on flux tunable transmon qubits
The last two decades have seen significant advances in the coherence times of superconducting qubits. However, further…
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We explore the physics at low and ultra-low temperatures with special focus on superconductivity and magnetism as well as on the control of quantum systems in the field of quantum technologies.
The methods we are developing and using for exploring organic conductors, can be transferred to other materials of topical interest. Recently, the high-field magnetotransport and magnetic quantum…
In our studies of highly anisotropic correlated electronic systems in organic conductors we are broadly using high-field semiclassical magnetotransport and quantum magnetic oscillations as tools…
The Mott metal-insulator transition is one of the fundamental hallmarks of electronic correlations in a metal. Unconventional superconductivity and other fascinating phenomena often emerge in close…
Hybrid materials combining nontrivial conducting and magnetic properties are of high current interest due to potential spintronic applications. Furthermore, they present important fundamental…
Dieser Web-Auftritt gehört dem WMI. WMI steht für Walther-Meißner-Institut.
Das WMI macht Forschung auf dem Gebiet der Physik. Physik ist eine Naturwissenschaft.
Walther Meißner war…
Organic Metals and Superconductors
From the everyday experience one normally identifies organic materials as electrical insulators. However, there is a class of synthetic molecular charge-transfer salts, which exhibit metallic…
The salts alpha-(BEDT-TTF)2MHg(SCN)4 with M = K, Tl exhibit a rich phase diagram including various charge-density-wave (CDW) and superconducting (SC) states, depending on…
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The WMI educates young people in condensed matter and quantum physics, plans and coordinates research projects. performs experiments at low and ultra-low temperatures, publishes various research…
TYPO3 - Fortgeschrittene Funktionen in der Datenbank (4:30 min.)
The primary focus of this project will be on the design, optimal characterization and control of multi-qubit superconducting devices based on transmon qubits in a circuit QED architecture. We will…
Team members
Max Werninghaus (PhD student working at IBM Research – Zurich) Federico Roy (PhD student working IBM Research – Zurich)
Collaborators
Daniel Egger (IBM Research – Zurich) Shai…
The primary focus of this project will be on the design, optimal characterization and control of multi-qubit superconducting devices based on transmon qubits in a circuit QED architecture. We will…
A hybrid quantum computing architecture combining quantum processors and quantum memory units allows for exploiting each component's unique properties to enhance the overall performance of the total…
Research paper featured in "Physics": 'Niobium air bridges as low-loss components for superconducting quantum hardware' by Bruckmoser et al.
Matthias Opel hosted 9 physics teachers from high school and showed experiments with liquid nitrogen.
WMI showcased its 17-qubit superconducting quantum processor inside a Bluefors cryostat at the DPG Spring Meeting in Dresden.
Single microwave photons can be transferred through a hot quantum channel. | Peter Rabl
Microwave quantum networks are set to play an important role in the future quantum science and technology. They can be utilized as a versatile experimental platform for fundamental studies of…
The concept of quantum tokens dates back alongside quantum cryptography to Stephen Wiesner's seminal work in 1983[1]. Already this initial work proposes society-relevant applications such as secure…
The European Union has awarded €25 million to the SUPREME consortium, consisting of 23 European companies and research organisations, including WMI.
The European Union has approved SUPREME, a major new pilot line to industrialise superconducting quantum chip fabrication, across 8 EU member states.
WMI has demonstrated how to control a quantum bit when the control channel is closed at its eigenfrequency
A new strategy to protect qubit-photon interactions against low-frequency noise.
Superconducting circuits incorporating Josephson elements represent a promising hardware platform for quantum technologies. Potential applications include scalable quantum computing, microwave…
Protecting qubits from environmental noise while maintaining strong coupling for fast high-fidelity control is a central challenge for quantum information processing. Here, we demonstrate a novel…
Achieving fast and high-fidelity qubit operations is crucial for unlocking the potential of quantum computers. In particular, reaching low gate errors in two-qubit gates has been a long-standing…
As systems for quantum computing keep growing in size and number of qubits, challenges in scaling the control capabilities are becoming increasingly relevant. Efficient schemes to simultaneously…
As quantum information technologies advance they face challenges in scaling and connectivity. In particular, two necessities remain independent of the technological implementation: the need for…
Rare-earth spin ensembles are a promising platform for microwave quantum memory applications due to their hyperfine transitions, which can exhibit exceptionally long coherence times when using an…
