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The scientific scope of the HQT workshop will be to bring together people from slightly different communities aiming at fruitful discussions and exchange of ideas. The scientific scope is at the intersection between spin qubits, hybrid semiconductor-superconductor devices and superconducting circuits/qubits. Leading people from all fields will present their latest result. In addition, a poster session where students and postdocs can present their results will take place.

Two technical talks covering the topics of low temperature cryogenic equipment and high frequency equipment will be as well presented. Finally, technical sessions during lunch time will take place, in which participants can get hands on experience on Zurich instruments.


Nanoelectronics group @ ISTA
Contact: hqt@ist.ac.at

Zürich Instruments
Contact: Bruno Küng bruno.kueng@zhinst.com and Jelena Trbovic jelena.trbovic@zhinst.com


Our speakers for the workshop are (in alphabetical order):

Andras Palyi (BME / Budapest University of Technology and Economics)
Magic magnetic-field directions for spin-orbit-coupled double quantum dots
Andrea Hofmann (University of Basel)
Quantum devices in MBE-grown Ge
Andreas Wallraff (ETH Zürich)
Andrew Higginbotham (ISTA)
0,1,…,N: Exploring superconductor-semiconductor hybrids by adding Josephson junctions
Attila Geresdi (Chalmers University of Technology)
Josephson supercurrent mediated by a double quantum dot
Christian Andersen (TU Delft)
Andreev Spin Qubits in a transmon circuit
Christian Schoenenberger (University of Basel)
Single-triplet and Andreev-level qubit(s) addressed with microwave photons
Daniel Loss (University of Basel)
Spin qubits in Si and Ge hole quantum dots
Dominik Zumbühl (University of Basel)
Building hole spin qubits in Ge/Si nanowires
Eduardo Lee (University Autonoma de Madrid)
Joule spectroscopy and heating in hybrid superconductor-semiconductor nanodevices
Edward Laird (Lancaster University)
A coherent nanomechanical oscillator driven by single-electron tunnelling
Fabrizio Nichele (IBM Zurich)
Hybridization of Andreev states in a three-terminal Josephson junction
Ferdinand Kuemmeth (University of Copenhagen)
Active learning and real-time operations in small spin qubit arrays
Giordano Scappucci (TU Delft)
Germanium quantum materials: past achievements, current challenges, and opportunities ahead
Giovanni Isella (Politecnico of Milano)
Strained Ge quantum wells on relaxed graded buffers for quantum applications
Guido Burkard (University of Konstanz)
Circuit QED as a sensitive probe of qubits and their environment
Hai-ou Li (USTC)
Ultrafast Coherent Control of a Tunable Hole Spin Qubit in a Germanium Hut Wire Quantum Dot (online)
Ioan Pop (KIT)
cQED with magnetic field resilient devices
Jason Petta (Princeton University)
Microwave spectroscopy of valley states in silicon: from cavity-coupled quantum dots to circuit QED on-a-tip (online)
Johannes Fink (ISTA)
Inductively Shunted Transmon: A superconducting qubit with flux noise insensitive plasmon states and a protected fluxon decay exceeding 3 hours
Lars Schreiber (RWTH-Aachen)
Conveyor-mode single electron shuttling in Si/SiGe
Lieven Vandersypen (TU Delft)
Two-qubit logic between distant spins in silicon
Marcelo Goffman (CEA Saclay)
Signatures of interactions in the Andreev spectrum of  nanowire superconducting weak links
Mark Eriksson (University of Wisconsin-Madison)
Longitudinal coupling between a Si/SiGe quantum dot and an off-chip TiN resonator
Menno Veldhorst (TU Delft)
Quantum computing and simulation with germanium
Morten Kjaergaard (University of Copenhagen)
Towards superconducting qubits utilising higher-order Josephson harmonics
Natalia Ares (Oxford University)
Learning about variability in semiconductor devices
Nico Hendrickx (IBM Zurich)
Optimizing coherence of germanium hole spin qubits
Pasquale Scarlino (EPFL)
High Kinetic Inductance Superconducting Technology for Hybrid QDs-resonators Applications
Patrice Bertet (CEA Saclay)
Single-Spin Magnetic Resonance with Microwave Photon Counting
Ramon Aguado (ICMM-CSIC Madrid)
Yu-Shiba-Rusinov subgap states in hybrid superconductor/semiconductor nanowires containing quantum dots
Romain Maurand (CEA Grenoble)
Hole spin qubits in silicon : coherence sweetspots and coupling to microwave photons
Srijit Goswami (TU Delft)
Artificial Kitaev chains in two dimensional electron gases
Takis Kontos (ENS Paris)
A hybrid cavity-superconducting qubit-magnon haloscope for dark matter detection in the microwave range
Thomas Ihn (ETH Zürich)
Spin- and valley physics in graphene quantum dots
Vladimir Manucharyan (EPFL)
Andreev spectra of three-terminal Josephson junctions
William Oliver (MIT)
Directional Photon Emission using Superconducting Qubits and Waveguide QED
Yann-Michel Niquet (CEA Grenoble)
Hole spin manipulation in non homogeneous electric fields and strains
Yiwen Chu (ETH Zürich)
Schrödinger cat states of a 16-microgram mechanical oscillator
Yosuke Shimura (imec)
Growth and properties of compressively strained Ge epitaxial layers in view of quantum computing application