PhD in Physics
Assistant Professor
OCG - LPEM - ESPCI Paris - PSL
10, rue Vauquelin, 75005 Paris, FRANCE
Email : alexis.jouan [at] espci [dot] fr
OCG - LPEM - ESPCI Paris - PSL
10, rue Vauquelin, 75005 Paris, FRANCE
Email : alexis.jouan [at] espci [dot] fr
Date of birth : 21/05/1989
Nationality : French
French Driving Licence (2017)
Research Experience
2022 - today
Current
2020 - 2022
(2 years)
2018 - 2020
(2 years)
2013 - 2017
(3.5 years)
2013 - 2017
(3.5 years)
2012
(6 months)
2011
(2 months)
Assistant Professor at OCG - LPEM, ESPCI Paris - PSL, France
Condensed Matter Physics in the THz regime
Postdoc at Quantum Circuit Group, Lyon, France
Superconducting qubit for quantum thermodynamics,
Adv : Benjamin Huard, ENS Lyon
Postdoc at The University of Sydney, Sydney, Australia
Dispersive Gate sensing for readout and Josephson junctions in topological materials,
Adv : David Reilly, The University of Sydney and Microsoft
PhD in Physics at ESPCI, Paris, France
Control of Superconductivity in a Two-dimensional Electron Gas at Oxides interfaces,
Adv : Pr. Jérôme Lesueur and Dr. Nicolas Bergeal, ESPCI, Paris
Labwork tutor - Quantum Physics
Optical pumping in Rb gas
Master students at ESPCI, Paris
Master Internship
Properties of Majorana fermions wave functions in supercurrent-operated nanostructures
Adv. : Pr. Felix Von Oppen, Dr. Alessandro Romito, Dahlem Center for Complex Quantum Systems and Fachbereich Physik, Freie Universität Berlin
Undergraduate Research Internship
Design and setup of a magneto-optical trap
Adv. : Pr. Frédéric Chévy, Dr. Diogo Fernandez, LKB lab, ENS, Paris
Education
2012 - 2013
2010 - 2012
2007 - 2010
Condensed Matter Physics Master 2 - ICFP
Ecole Normale Supérieure (ENS), Paris
Bachelor of Science in Fundamental Physics
Ecole Normale Supérieure (ENS), Paris
Mathematics and Physics Prep School
Lycée Condorcet and Lycée Louis Le Grand, Paris, France
Scientific Publications
Multiband Effects in the Superconducting Phase Diagram of Oxide Interfaces A. Jouan, S. Hurand, G. Singh, E. Lesne, A. Barthélémy, M. Bibes, C. Ulysse, G. Saiz, C. Feuillet-Palma, J. Lesueur and N. Bergeal Advanced Materials Interfaces
Two-gap s+/-wave superconductivity at an oxide interface G. Singh, G. Venditti, G. Saiz, G. Herranz, F. Sanchez, A. Jouan, C. Feuillet-Palma, J. Lesueur, M. Grilli, S. Caprara and N. Bergeal Physical Review B
Josephson junctions via anodization of epitaxial Al on an InAs heterostructure A. Jouan, J.D.S Witt, G.C. Gardner, C. Thomas, T. Lindemann, S. Gronin, M.J. Manfra and D.J. Reilly Appl. Phys. Lett. 119, 172601 (2021)
Quantized conductance in a one-dimensional ballistic oxide nanodevice A. Jouan, G. Singh, E. Lesne, D.C. Vaz, M. Bibes, A. Barthélémy, C. Ulysse, D. Stornaiuolo, M. Salluzo, S. Hurand, J. Lesueur, C. Feuillet-Palma and N. Bergeal, Nature Electronics (2020)
Gap suppression at a Lifshitz transition in a multi-condensate superconductor G. Singh, A. Jouan, G. Herranz, M. Scigaj, F. Sanchez, L. Benfatto, S. Caprara, M. Grilli, G. Saiz, F. Couëdo, C. Feuillet-Palma, J. Lesueur, N. Bergeal, Nature Material (2019)
Gate-based single-shot readout of spins in silicon A. West, B. Hensen, A. Jouan, T. Tanttu, C.-H. Yang, A. Rossi, M. F. Gonzalez-Zalba, F. Hudson, A. Morello, D. J. Reilly, A. S. Dzurak, Nature nanotechnology (2019)
Josephson-like dynamics of the superconducting LaAlO3/SrTiO3 interface, S. Hurand, A. Jouan, E. Lesne, G. Singh, C. Feuillet-Palma, M. Bibes, A. Barthélémy, J. E. Villegas, J. Lesueur, N. Bergeal. Physical Review B (99), 104515
Competition between electron pairing and phase coherence in superconducting interfaces, A. Jouan, G. Singh, S. Hurand, J. Biscaras, C. Feuillet-Palma, G. Singh, R. Budhani, S. Caprara, M. Grilli, L. Benfatto, J. Lesueur, N. Bergeal. Nat. Comm. vol. 9, 407 (2018)
DC and AC transport in field-effect controlled LaAlO3/SrTiO3 interface, A. Jouan PhD Thesis, Paris 6, 2017
High-temperature superconducting nano-meanders made by ion irradiation, P. Amari, C. Feuillet-Palma, A. Jouan, F. Couëdo, N. Bourlet, E. Géron, M. Malnou, L. Méchin, A. Sharafiev, J. Lesueur, N. Bergeal Superconductor Science and Technology, 2017
Effect of disorder on superconductivity and Rashba spin-orbit coupling in LaAlO 3/SrTiO 3 interfaces, G. Singh, A. Jouan, S. Hurand, C. Feuillet-Palma, P. Kumar, A. Dogra, R. Budhani, J. Lesueur, N. Bergeal. Physical Review B vol. 96, 2017
Top-Gated field-effect LaAlO3/SrTiO3 devices made by ion-irradiation, S. Hurand, A. Jouan, C. Feuillet-Palma, G. Singh, E. Lesne, N. Reyren, A. Barthélémy, M. Bibes, JE. Villegas, C. Ulysse, M. Pannetier-Lecoeur, M. Malnou, J. Lesueur, N. Bergeal, Applied Physic Letters vol. 108, 2016
Engineering two-dimensional superconductivity and Rashba spin-orbit coupling in LaAlO3/SrTiO3 quantum wells by selective orbital occupancy, G. Herranz, G. Singh, N. Bergeal, A. Jouan, J. Lesueur, J. Gázquez, M. Varela, M. Scigaj, N. Dix, F. Sánchez, J. Fontcuberta, Nat. Com. vol. 6, 2016
Field-effect control of superconductivity and Rashba spin-orbit coupling in top-gated LaAlO3/SrTiO3 devices S. Hurand, A. Jouan, C. Feuillet-Palma, G. Singh, J. Biscaras, E. Lesne, N. Reyren, A. Barthélémy, M. Bibes, J.E. Villegas, C. Ulysse, X. Lafosse, M. Pannetier-Lecoeur, S. Caprara, M. Grilli, J. Lesueur, N. Bergeal, Scientific Report vol. 5, 2015
Two-gap s+/-wave superconductivity at an oxide interface G. Singh, G. Venditti, G. Saiz, G. Herranz, F. Sanchez, A. Jouan, C. Feuillet-Palma, J. Lesueur, M. Grilli, S. Caprara and N. Bergeal Physical Review B
Josephson junctions via anodization of epitaxial Al on an InAs heterostructure A. Jouan, J.D.S Witt, G.C. Gardner, C. Thomas, T. Lindemann, S. Gronin, M.J. Manfra and D.J. Reilly Appl. Phys. Lett. 119, 172601 (2021)
Quantized conductance in a one-dimensional ballistic oxide nanodevice A. Jouan, G. Singh, E. Lesne, D.C. Vaz, M. Bibes, A. Barthélémy, C. Ulysse, D. Stornaiuolo, M. Salluzo, S. Hurand, J. Lesueur, C. Feuillet-Palma and N. Bergeal, Nature Electronics (2020)
Gap suppression at a Lifshitz transition in a multi-condensate superconductor G. Singh, A. Jouan, G. Herranz, M. Scigaj, F. Sanchez, L. Benfatto, S. Caprara, M. Grilli, G. Saiz, F. Couëdo, C. Feuillet-Palma, J. Lesueur, N. Bergeal, Nature Material (2019)
Gate-based single-shot readout of spins in silicon A. West, B. Hensen, A. Jouan, T. Tanttu, C.-H. Yang, A. Rossi, M. F. Gonzalez-Zalba, F. Hudson, A. Morello, D. J. Reilly, A. S. Dzurak, Nature nanotechnology (2019)
Josephson-like dynamics of the superconducting LaAlO3/SrTiO3 interface, S. Hurand, A. Jouan, E. Lesne, G. Singh, C. Feuillet-Palma, M. Bibes, A. Barthélémy, J. E. Villegas, J. Lesueur, N. Bergeal. Physical Review B (99), 104515
Competition between electron pairing and phase coherence in superconducting interfaces, A. Jouan, G. Singh, S. Hurand, J. Biscaras, C. Feuillet-Palma, G. Singh, R. Budhani, S. Caprara, M. Grilli, L. Benfatto, J. Lesueur, N. Bergeal. Nat. Comm. vol. 9, 407 (2018)
DC and AC transport in field-effect controlled LaAlO3/SrTiO3 interface, A. Jouan PhD Thesis, Paris 6, 2017
High-temperature superconducting nano-meanders made by ion irradiation, P. Amari, C. Feuillet-Palma, A. Jouan, F. Couëdo, N. Bourlet, E. Géron, M. Malnou, L. Méchin, A. Sharafiev, J. Lesueur, N. Bergeal Superconductor Science and Technology, 2017
Effect of disorder on superconductivity and Rashba spin-orbit coupling in LaAlO 3/SrTiO 3 interfaces, G. Singh, A. Jouan, S. Hurand, C. Feuillet-Palma, P. Kumar, A. Dogra, R. Budhani, J. Lesueur, N. Bergeal. Physical Review B vol. 96, 2017
Top-Gated field-effect LaAlO3/SrTiO3 devices made by ion-irradiation, S. Hurand, A. Jouan, C. Feuillet-Palma, G. Singh, E. Lesne, N. Reyren, A. Barthélémy, M. Bibes, JE. Villegas, C. Ulysse, M. Pannetier-Lecoeur, M. Malnou, J. Lesueur, N. Bergeal, Applied Physic Letters vol. 108, 2016
Engineering two-dimensional superconductivity and Rashba spin-orbit coupling in LaAlO3/SrTiO3 quantum wells by selective orbital occupancy, G. Herranz, G. Singh, N. Bergeal, A. Jouan, J. Lesueur, J. Gázquez, M. Varela, M. Scigaj, N. Dix, F. Sánchez, J. Fontcuberta, Nat. Com. vol. 6, 2016
Field-effect control of superconductivity and Rashba spin-orbit coupling in top-gated LaAlO3/SrTiO3 devices S. Hurand, A. Jouan, C. Feuillet-Palma, G. Singh, J. Biscaras, E. Lesne, N. Reyren, A. Barthélémy, M. Bibes, J.E. Villegas, C. Ulysse, X. Lafosse, M. Pannetier-Lecoeur, S. Caprara, M. Grilli, J. Lesueur, N. Bergeal, Scientific Report vol. 5, 2015
Publications in preparation
Cavity-photon induced state transitions in a Fluxonium qubit, A. Jouan, J. Stevens, A. Bienfait, B. Huard In Preparation
Conferences and workshops
11/2020
12/2015
04/2015
03/2015
08/2014
06/2014
Biannual Meeting of the French research community on Mesoscopic Physics
Aussois, France : Oral presentation on quantum capacitance measurements in a spin qubit and in a quantum point contact
Biannual Meeting of the French research community on Mesoscopic Physics
Aussois, France : Oral presentation on Field effect control of superconductivity and Rashba spin-orbit coupling in top gated LaAlO3/SrTiO3 devices
Capri Spring School on Transport in Nanostructures, with special focus on Topological superconductivity
Capri, Italy : One week school
APS March Meeting 2015
San Antonio, USA : Oral presentation
Condensed Matter in Paris CMD25
Paris, France : Poster
The New generation in Strongly Correlated Electrons Systems 2014
Nice, France : Poster
Skills and Expertise
Social skills
• Collaboration with other groups during PhD (La Sapienza, Roma), oxyde film growth (CNRS-Thales, Palaiseau), clean-room facilities (LNP Marcoussis, Nanoscience Hub), ions implantation (InESS, Strasbourg)
• Teaching labworks and tutorials at ESPCI and at the University of Sydney
• Working in a big team driven by a world leading company (Microsoft)
• Music and theater : study of clarinet for 13 years in Conservatory (CFEM diploma), theater and music hall performances, dance
• Student organisation : leader of Webradio trENSmissions at ENS
Technical
skills
• Cryogenics : Dilution refrigerator He-Free Pulse Tube Systems
• Low-noise DC Transport Measurements, High Magnetic Fields (7T) with superconducting coil
• High Frequency Measurements : Design and Realisation of PCB, Vector Network Analyzer (VNA), calibration of RF setup
• Micro- and Nanofrabrication : Optical and advanced E-Beam lithography, Clean Room Thin Films Deposition Processes (E-beam and Joule Metal Evaporation, RF sputtering for Dielectrics, Etching, Annealing, Lift-off), Thin Films Characterization (Atomic Force Microscope, Profilometer, Scanning Electron Microscope, Polarized Optical Microscope), High-Energy (50keV) Ion implantation in collaboration with InESS in Strasbourg
Computer
skills
• Simulations on computer cluster, Matlab, Python, Qcodes, Mathematica, Origin, Comsol (electromechanical simulations), HFSS, Labview, Layout Editor, E-Line (e-beam lithography design), C++, html, LaTex, Word, Excel
Sport
• Climbing, Running, and Volley ball