News

2025

  • March 2025: Congratulations to Hadrien on obtaining a permanent position at CNRS!
  • March 2025: Welcome to Sugeiva and Tien who joined the group as M2 interns!
  • Feb 2025: Welcome to Thibault who joined the group as a M2 intern!
  • Feb 2025: Jérémy Barande and Didier Vladimir Rouable from the photo and audiovisual departments came to the lab for a photo shooting. Nice photos here.

2024

  • Dec 2024: Second experimental article by QCMX, published in Phys. Rev. Applied: “Ultraclean carbon nanotube-based Josephson junctions.”
  • Dec 2024: First experimental article by QCMX, published in Phys. Rev. Applied: “Two-tone spectroscopy of high-frequency quantum circuits with a Josephson emitter.”
  • Sep 2024: Congrats to JD who was appointed Professor.
  • June 2024: Congrats to Joël who was awarded a young researcher grant from ANR.
  • Feb 2024: Congrats to Joël for his paper published in Physical Review X on the implementation of a microwave photon-number amplifier using a dc-Biased Josephson junction.

2023

  • Dec 2023: We just measured quantum coherence of carbon nanotube-based gatemon qubit! Exciting.
  • Dec 2023: Landry was invited by President Macron at the Elysée. Totally unexpected and totally awesome!
  • Nov 2023 : Congrats to Samy and JD for their great talks at the Plenary Conference of the Quantum Mesoscopic Physics GDR, at Aussois.
  • Oct 2023: Congrats to JD who just defended his Accreditation to Supervise Research (HDR).
  • Oct 2023: Welcome to Maxime & Hadrien who joined the group as PhD Student and Postdoc.
  • Sep 2023: We were awarded a grant by the French Quantum Plan (PEPR RobustSuperQ)).
  • Sep 2023: New paper by QCMX published in Physical Review Research on the Josephson Diode Effect (aka JD effect) in an Andreev molecule.
  • Sep 2023: Landry was interviewed by Polytechnique Insights together with Loïc Henriet from Pasqal on Quantum Computing. Check out the video.
  • Aug 2023: Nice measurements of 0-pi quantum phase transitions in a carbon nanotube-based Josephson junction, with fourfold periodicity revealing spin and valley degeneracy.
  • May 2023: Great tribute conference for Fabien Portier at SPEC, CEA. RIP.
  • Mar 2023: Landry & JD were interviewed by Rayon X, who puts the spotlight on scientists.
  • Mar 2023: Farewell to Ambroise who just got a super postdoc position at ENS Lyon. Have fun with DC-pumped cat qubits!
  • Feb 2023: We measured large supercurrents in a carbon nanotube, up to 8 nA. And some fancy non-local Josephson effect.

2022

  • Oct 2022: We measured a gate-dependent supercurrent in a carbon nanotube! Isw = 200 pA.
  • Sep 2022: Welcome to Joël who joined the group as an Assistant Professor!
  • Aug 2022: Goodbye to Joël who just got a permanent position.
  • June 2022: Congrats to Landry who just defended his Accreditation to Supervise Research (HDR).
  • Feb 2022: Joël published a nice popularization article in PMC’s newsletter on how a dilution fridge works.
  • Feb 2022: Welcome to Everton who joined the group as a Research Engineer.
  • Jan 2022: Hannes built 2 fancy RF sample-holders called JAWS. Thanks Marius and the ENS team.

2021

  • Nov 2021: We’ve installed our new BlueFors dilution cryostat, with vector magnet (3/1/1 T) and bottom loader. Base temp = 8 mK !!! Thanks Mathias & Vojko.
  • Nov 2021: We’ve just installed our carbon nanotube furnace. Base temp = 1000 °C !
  • Nov 2021: We measured our first Rabi oscillations: T1 = 40 µs & T2 = 20 µs. Thanks Manu for the hero qubit.
  • Oct 2021: Congrats to Joël & JD for their paper published in Physical Review Research on a high-sensitivity broad-band Josephson junction spectrometer.
  • Oct 2021: We’ve received our Quantum Orchestration Platform (OPX) from Quantum Machines. Let’s do real-time control!
  • Oct 2021: We performed the spectroscopy of a transmon qubit using our home-made Josephson spectrometer!
  • Oct 2021: We measured tunable RF emission from a Josephson junction: 5 MHz bandwidth!
  • Oct 2021: Welcome to Hannes & Joël who joined the group as PhD Student and Post-Doctoral Associate.
  • Sep 2021: Congrats to Landry who was appointed Professor.
  • Sep 2021: New RF equipments from Rohde & Schwarz (2 MSG). New cryogenic circulators and amplifiers from LNF.
  • Sep 2021: Official start of the EU-funded FERMIcQED project!
  • July 2021: Congrats to Ambroise for his paper published in Physical Review X on a dc-Biased Josephson Junction generating two-modes entanglement.
  • June 2021: We measured the IV characteristic of a tunnel Josephson junction! DC Josephson effect :)
  • May 2021: We joined the PMC Laboratory. What a relief!
  • May 2021: Congrats to JD & Landry for their back-to-back papers published in Physical Review Research (013288 & 013289) on Weyl Josephson circuits.
  • May 2021: Welcome to Samy who joined the group as a PhD Student.
  • Mar 2021: We spotted our first individual carbon nanotube!
  • Mar 2021: Landry was interviewed by Polytechnique Insights on the “Plan Quantique”

2020

  • Nov 2020: Congrats to Ambroise! He was awarded the 2020 PhOM PhD Award, for his work on “Quantum microwave sources from inelastic Cooper pair tunneling”
  • Oct 2020: Welcome to Ambroise who joined the group as a Post-Doctoral associate.
  • Sep 2020: We’ve received all the elements to build up our Rayleigh optical characterization platform for the carbon nanotubes (supercontinuum laser, spectrometer, optical table, optics, objectives)
  • Sep 2020: Congrats to JD who was awarded a young researcher grant from ANR.
  • Sep 2020: Landry was awarded an ERC Starting Grant for the FERMIcQED project! → X-News
  • July 2020: We measured quantum limited amplification using a SNAIL from Zaki.
  • Jun 2020: Congrats to JD for his paper published in SciPost Physics Core on the Scattering description of Andreev molecules.
  • Jun 2020: Welcome to Etienne, Elie & Luke who joined the group as summer interns.
  • Mar 2020: Congrats to Landry who was awarded the 2020 Nicholas Kurti Science Prize, together with Rebeca Ribeiro from CNRS C2N → X-News
  • Feb 2020: Tons of room-T µwave components have arrived.

2019

  • Nov 2019: Congrats to JD for his nice PRL, Science, MRS Bulletin & X-News
  • Sep 2019: New DC electronic instruments (oscillos, sources, DAC, amp).
  • Sep 2019: JD and Landry got tenured!
  • Aug 2019: Congrats to JD for his paper published in Nano Letters on Nonlocal Josephson effect in Andreev molecules.
  • Aug 2019: New paper by JD & co published in Physical Review Applied on Injection Locking and Parametric Locking in a Superconducting Circuit.
  • Jul 2019: We’ve received our cryogenic circulators and amplifiers from LNF.
  • Apr 2019: We’ve installed our new BlueFors dilution refregirator. Base temp = 7 mK !!! Thanks Aymeric & Vojko.
  • Mar 2019: After 3 months, electricity, masonry and plumbing works are finished! Our lab is ready to get the fridge. And we’ve just received our expresso machine !
  • Jan 2019: New RF equipments from Rohde & Schwarz (1 VNA, 1 PSA and 3 MSG).
  • Jan 2019: Congrats to Landry for his paper published in Nature Nanotechnology on a graphene-based superconducting qubit → spotlight by Nature Nano & MIT News

2018

  • Nov 2018: New paper by Landry & co published in Science that shows gate-controllable superconductivity in monolayer WTe2 → spotlight by MIT News
  • Sep 2018: We’ve received a 40L cylinder of He3. Thanks to Michel and the DOE :)
  • Sep 2018: New paper by Landry & co in PRB that reports tunneling spectroscopy measurements of graphene proximitized by large-gap superconductors.
  • Jul 2018: Congrats to Landry who was awarded a young researcher grant from ANR.

2017

  • Dec 2017: The QCMX-lab was awarded a grant from SIRTEQ.
  • Sep 2017: We’ve been hired as Assistant Professors (with Startup Grant and Lab Space). Let’s build from scratch a new lab. Long-live QCMX!