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- Pushing the limits of superinductors with vertically‑stacked Josephson junctions
Pushing the limits of superinductors with vertically‑stacked Josephson junctions
The Superconducting circuits and mechanical resonators team has demonstrated new designs of high-impedance hyper-inductors. We open a scalable path to high impedance hyperinductors for exotic protected qubits.

This work is a collaboration with LPENS Quantic, CEA Quantronics, and Alice & Bob.
The preprint results can be found on ArxiV:https://arxiv.org/abs/2505.02764
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Thesis title: “RF Transduction in a DC-Biased Superconducting Electromechanical System”
The EQUIP project wins the DIM Quantip mid-scale call for proposals
A consortium composed of teams from LKB, INSP and LPENS, lead by Thibaut Jacqmin, has been selected as a laureate of the DIM Quantip mid-scale call for proposals. The EQUIP project (Etching Platform for Quantum Technologies in Paris) will enable the acquisition of an ICP-type plasma etching system.
A superconducting qubit used as an ultra-sensitive sensor in the radio-frequency domain
The Superconducting circuits and mechanical resonators team has demonstrated an unprecedentedly low-frequency superconducting “fluxonium” qubit, which could facilitate experiments that probe macroscopic quantum phenomena.