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Laboratoire des circuits quantiques hybrides

Laboratoire

Résumé

Le Laboratoire des Circuits Quantiques Hybrides (HQC) de l'EPFL se concentre sur l'étude expérimentale des dispositifs semi-conducteurs supraconducteurs hybrides avec des points quantiques en interaction avec des résonateurs à micro-ondes. En explorant l'interaction entre différents systèmes quantiques, HQC vise à créer des systèmes polyvalents pour le calcul quantique et la simulation quantique analogique. La recherche porte sur le transport quantique dans les systèmes à basse dimension, les qubits de spin et de charge dans les points quantiques des semi-conducteurs et l'électrodynamique quantique des circuits avec qubits supraconducteurs. La recherche interdisciplinaire de HQC vise à fusionner des plates-formes quantiques semiconductrices et supraconductrices afin d'élargir les capacités du matériel d'information quantique à l'état solide.

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Personnes associées (5)

Pasquale Scarlino

I obtained my master's degree in Physics at the University of Salento, Lecce (Italy) in February 2011. During 2006-2011, I have also been a student of Scuola Superiore ISUFI (SSI). SSI is one of six schools of excellence established in Italy to develop the intellectual capital in technological and social sciences. I conducted an external Master thesis project during an 8 months internship in the Quantum Transport Group at TU Delft, under the supervision of Prof. L.M.K. Vandersypen. There, I implemented the Quantum Point Contact Radio-Frequency Reflectometry technique, which allows increasing the single-shot electron spin readout bandwidth and is currently routinely used in the group.I obtained my Ph.D. degree in February 2016, in the Spin Qubits group of Prof. L.M.K. Vandersypen at the Kavli Institute of Nanoscience-Qutech (TU Delft). During my Ph.D. I have been leading the Si/SiGe spin qubits project, collaborating with the M. Eriksson Group at Wisconsin University. In parallel, I have been working on other different projects, in particular with GaAs depletion quantum dots, high impedance superconducting resonators, and surface acoustic wave resonators. I have been working as a Postdoc fellow in the group of Prof. A. Wallraff (Quantum Device Lab) at ETH Zurich. My main project, in collaboration with the group of Prof. K. Ensslin and Prof. T. Ihn, consisted in integrating semiconductor and superconductor technologies. Realizing a well-controlled interface between the semiconductor and superconductor-based quantum information technologies may allow harnessing the best of both device architectures, for example by providing an interface between strongly coupled charge state and high coherence spin states. Furthermore, it enables the possibility to explore light/matter hybridization in a class of solid-state systems and regimes that are new in the context of quantum optics.From June 2019 till September 2020, I have been a Senior Researcher at Microsoft Station Q Copenhagen and at the Center for Quantum Devices in Copenhagen, focusing on developing semiconductor-superconducting hybrid hardware for topologically protected quantum computation.Since October 2020, I am a tenure track Assistant Professor of Physics in the School of Basic Sciences at the EPFL where I founded the Hybrid Quantum Circuit (HQC) laboratory.

Franco De Palma

Expertise Solid state physics, Quantum computing, Nanoelectronics, Nanofabrication Currently working as Doctoral Assistant in the Hybrid Quantum Circuits Laboratory of Prof. Pasquale Scarlino and Nanolab of Prof. Adrian M. Ionescu on the fabrication of Quantum Dots in planar Ge coupled with superconducting resonators. I have a Master's degree in Nanotechnologies from Politecnico di Torino, where I got also my Bachelor's degree in Physics Engineering, Grenoble Phelma INP and EPFL.

Guillaume Beaulieu

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Publications associées (27)

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Personnes associées (5)

Laboratoire des circuits quantiques hybrides

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Strong coupling between a microwave photon and a singlet-triplet qubit

Ultra-high quantum coherent and scalable superconducting circuit optomechanics, from topological lattices to quantum storage

Electron-beam based nanoscale quantum controls