Group members

Philippe Campagne-Ibarcq

Philippe graduated from the Ecole Polytechnique in 2011. He obtained his PhD in 2015 in the physics department of ENS Paris, under the supervision of Benjamin Huard. There, he performed several experiments investigating quantum backaction and feedback in superconducting qubits. After a post-doc in the Quantronics group (CEA Saclay) focusing on quantum-enhanced detection of spins in semi-conductors, he joined the group of Michel Devoret at Yale university where he conducted projects leading to deterministic entanglement of remote superconducting circuits and quantum error correction on a ”grid state” logical qubit in a microwave cavity. He joined the Quantic team in 2019 to work on theoretical and experimental aspects of quantum error correction, and in particular autonomous stabilization of logical qubits encoded in high-impedance superconducting circuits. Publication list

Zaki Leghtas

Zaki was born in Agadir, Morocco. After graduating from high school in Rabat (Morocco), he moved to France where he spent two years near Nice. He then attended the Ecole des Mines, in Paris, for three years, and graduated in 2009. Zaki enrolled in a PhD program at INRIA/Mines under the supervision of Pierre Rouchon and Mazyar Mirrahimi, where he worked on some theoretical aspects of quantum state preparation and stabilization. After he defended his thesis in 2012, he joined the Devoret lab at Yale University and realized experiments on quantum error correction and quantum feedback. He became a member of the Quantic team in December 2015 as a researcher of MinesParisTech. Publication list

Mazyar Mirrahimi

Mazyar Mirrahimi graduated from Ecole Polytechnique with a major in applied mathematics in 2003. He did his PhD studies with Pierre Rouchon at Ecole des Mines (Paris) from 2003 to 2005 and worked on control and estimation for Schrödinger type equations. After a short visit to Hideo Mabuchi's lab at Caltech, he was hired as a research scientist at INRIA Paris-Rocquencourt in 2006. After spending some years working on theoretical problems related to quantum measurement and feedback, he contributed to the experimental realization of a quantum feedback loop by the group of Serge Haroche at Ecole Normale Supérieure de Paris. From 2011 to 2013, he spent two years as a sabbatical visitor at Yale University collaborating with the teams of Michel Devoret and Robert Schoelkopf. Through these collaborations, he has contirbuted to the design and analysis of various experiments on quantum measurement, feedback, error correction and reserevoir engineering with quantum superconducting circuits. He is currently director of research at INRIA, part-time professor of Ecole Polytechnique, leader of Quantic team, and visiting research scientist at Yale. In 2017, he received the ``Prix Jeune Chercheur d'Inria-Academie des Sciences''. Website

Pierre Rouchon

Pierre Rouchon is professor with the Centre Automatique et Systemes at Mines-ParisTech, PSL Research University. He graduated from Ecole Polytechnique in 1983, has obtained a PhD in 1990 and an ``habilitation à diriger des recherches'' in 2000. From 1993 to 2005, he was associate professor at Ecole Polytechnique in Applied Mathematics. From 1998 to 2002, he was the head of the Centre Automatique et SystËmes. From 2007 to 2018, he was the chair of the department ``Mathématiques et Systèmes'' at Mines-ParisTech. Since 2015, he is a member of the Quantic Research team between Inria, Ecole Normale Supérieure de Paris and Mines-ParisTech. His fields of interest include nonlinear control and system theory with applications to physical systems. His contributions include differential flatness and its extension to infinite dimensional systems, non-linear observers and symmetries, quantum filtering and feedback control. In 2017, he received the ``Grand Prix IMT - Académie des sciences de Paris.'' Website

Alain Sarlette

Alain Sarlette received the engineering degree in applied physics and the Ph.D. degree in applied sciences from the University of Liege, Liege, Belgium, in 2005 and 2009, respectively. He has held visiting positions at Princeton University (2006) and Ecole des Mines de Paris (2009–2010). Since 2011, he has been a Lecturer at Ghent University, Ghent, Belgium. Since Oct 2014, he has joined Quantic team as an INRIA research scientist. His research interests include nonlinear systems and geometric control approaches, coordination algorithms and distributed control, and quantum control. Website

Post-docs

Clarke Smith

Clarke graduated from George Washington University in 2012 with undergraduate degrees in physics and mathematics. He then attended Yale University for his PhD in physics in the group of Michel Devoret, which was defended in 2018. His thesis investigated superconducting qubits protected from environmental noise by exotic and high-impedance circuits. He currently works on quantum error correction using circuit engineering.










Students

Camille Berdou

Camille graduated from Mines ParisTech in 2018. She joined the QUANTIC team in spring 2019 during her master's degree in quantum physics at ENS Paris. She started a PhD in October 2019 at LPENS under the supervision of Zaki Leghtas and Pierre Rouchon to continue the research direction pioneered by Raphaël Lescanne. She is working on experiments focusing on quantum error correction with cat qubits.










Michiel Burgelman

Michiel obtained a master's degree of Engineering Physics at Ghent University in 2017. In October 2018 he joined the team as a PhD student under the supervision of Alain Sarlete and Pierre Rouchon, and is working on stability studies for strongly driven Josephson circuits.










Gerardo Cardona

Gerardo joined the team in November 2016 and is currently working toward the PhD degree in control theory at Mines ParisTech under the supervision of Pierre Rouchon and Alain Sarlette. He is working on analyzing the effect of adding dynamics to quantum feedback controllers.










Jérémie Guillaud

Jérémie Guillaud graduated from Ecole Polytechnique in 2017. He obtained his master's degree in applied mathematics from the University Pierre and Marie Curie in 2017. Since Sept 2017, he has joined the Quantic team as a PhD student under the supervision of Mazyar Mirrahimi and Pierre Rouchon. He is currently working on the development of a modular architecture for quantum information processing.






Raphaël Lescanne

Raphaël started his PhD studies under the supervision of Zaki Leghtas in September 2016. He is working on quantum error correction using Schrödinger cat states of microwave light and on strong nonlinearities in circuit QED.






Vincent Martin

Vincent Martin graduated from Ecole Polytechnique in 2018. He obtained his master's degree in applied mathematics from the University Pierre and Marie Curie in 2018. Since October 2018, he has joined the Quantic team as a PhD student under the supervision of Mazyar Mirrahimi and Alain Sarlette. He is currently working on continuous quantum error correction.






Christian Siegele

Christian arrived in Paris after receiving his bachelor's degree in Physics from the University of Vienna. He joined the team during his master's degree at the University Paris-Saclay to work on remote entanglement stabilization and bosonic quantum error correction for superconducting circuits. In September 2019 he started his PhD under the supervision of Philippe Campagne-Ibarcq and Mazyar Mirrahimi. His research continues to focus on bosonic codes and quantum error correction.






Marius Villiers

Marius Villiers joined the team in May 2018 and is currently pursuing a PhD under the supervision of Zaki Leghtas and Audrey Cottet (Hybrid Quantum Circuits team at LPENS). He is working on the integration of carbon nanotubes into Josephson circuits in order to use condensed-matter systems to generate exotic states of light.










Former members

Benjamin Huard

Benjamin Huard and his group were part of the QUANTIC team until september 2016, when he moved to ENS Lyon. He remains a close collaborator of the team.