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A. Dréau
Researcher at University of Montpellier
Publications - 38
Citations - 5143
A. Dréau is an academic researcher from University of Montpellier. The author has contributed to research in topics: Diamond & Qubit. The author has an hindex of 19, co-authored 33 publications receiving 4144 citations. Previous affiliations of A. Dréau include Université Paris-Saclay & École normale supérieure de Cachan.
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Journal ArticleDOI
Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres
Bas Hensen,Hannes Bernien,Hannes Bernien,A. Dréau,Andreas Reiserer,Norbert Kalb,Machiel Blok,Justus W. Ruitenberg,R. F. L. Vermeulen,Raymond N. Schouten,Carlos Abellan,Waldimar Amaya,Valerio Pruneri,Valerio Pruneri,Morgan W. Mitchell,Morgan W. Mitchell,Matthew Markham,Daniel J. Twitchen,David Elkouss,Stephanie Wehner,Tim H. Taminiau,Ronald Hanson +21 more
TL;DR: The data imply statistically significant rejection of the local-realist null hypothesis and could be used for testing less-conventional theories, and for implementing device-independent quantum-secure communication and randomness certification.
Journal ArticleDOI
Strong coupling of a spin ensemble to a superconducting resonator.
Yuimaru Kubo,Florian R. Ong,Patrice Bertet,Denis Vion,Vincent Jacques,D. Zheng,A. Dréau,Jean-François Roch,Alexia Auffèves,Fedor Jelezko,Joerg Wrachtrup,Marie-France Barthe,Philippe Bergonzo,Daniel Esteve +13 more
TL;DR: A quantum circuit in which an ensemble of electronic spins is coupled to a frequency tunable superconducting resonator and the appearance of a vacuum Rabi splitting in the transmission spectrum of the resonator when its frequency is tuned through the nitrogen-vacancy center electron spin resonance.
Journal ArticleDOI
Avoiding power broadening in optically detected magnetic resonance of single NV defects for enhanced dc magnetic field sensitivity
A. Dréau,Margarita Lesik,Loïc Rondin,Piernicola Spinicelli,O. Arcizet,Jean-François Roch,Vincent Jacques +6 more
TL;DR: In this paper, the magnetic field sensitivity of a magnetic sensor consisting of a single nitrogen-vacancy (NV) defect in diamond was investigated by using continuous optically detected electron spin resonance (ESR) spectroscopy.
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Hybrid Quantum Circuit with a Superconducting Qubit Coupled to a Spin Ensemble
Yuimaru Kubo,Cecile Grezes,A. Dewes,Takahide Umeda,Junichi Isoya,Hitoshi Sumiya,Norio Morishita,Hiroshi Abe,Shinobu Onoda,Takeshi Ohshima,Vincent Jacques,A. Dréau,Jean-François Roch,Igor Diniz,Alexia Auffèves,Denis Vion,Daniel Esteve,Patrice Bertet +17 more
TL;DR: Using a hybrid quantum circuit combining a superconducting qubit and an ensemble of electronic spins, a superposition of the qubit states is prepared that is stored into collective excitations of the spin ensemble and retrieved back into the qubits later on.
Journal ArticleDOI
High-resolution spectroscopy of single NV defects coupled with nearby 13 C nuclear spins in diamond
TL;DR: In this article, a systematic study of the hyperfine interaction between the electron spin of a single nitrogen-vacancy defect in diamond and nearby nuclear spins was performed by using pulsed electron-spin resonance spectroscopy.