Quantum 68 - Actualités de mars 2025 episode artwork

EPISODE · Apr 6, 2025 · 54 MIN

Quantum 68 - Actualités de mars 2025

from Quantum · host Fanny BOUTON et Olivier EZRATTY

Conférence au CESQ à Strasbourg. Le 6 mars lors de la « quantum week », le CESQ (European Center for Quantum Sciences), un événement coorganisé par la startup QPerfect et l’Université de Strasbourg. Les premiers jours étaient dédiés à l’inauguration du CESQ et à des journées grand public.Interventions d'Olivier  :« discover » (mes slides)APS Physics Global Summit à AnaheimLa startup irlandaise Equal1 se faisait remarquer en présentant UnityQ-1 un premier ordinateur quantique complet avec des qubits silicium tenant dans un simple rack. Equal1 Demonstrates Advances in Silicon-Based Quantum Computing by Matt Swayne, The Quantum Insider, December 2024. Nvidia Quantum Developer Day à San Francisco.Cette journée de conférence avait lieu pendant l’APS Global Summit, mais à San Francisco. Elle a été marquée par trois panels animés par le CEO de Nvidia, Jensen Huang.  Alice&Bob Alice&Bob comprime ses chats !Enhancing dissipative cat qubit protection by squeezing by Rémi Rousseau, Diego Ruiz, Raphaël Lescanne, Zaki Leghtas, Sébastien Jezouin, Anil Murani et al, arXiv, February 2025 (26 pages). Pasqal Des évolutions d’un partenariat technologique avec KAIST en Corée du Sud. Il s’agit de recherches conjointes sur le contrôle des atomes. Advancing Quantum Computing with Pasqal and KAIST, by Pasqal, March 2025. Korea Advanced Institute of Science and Technology. Une machine de Pasqal est maintenant disponible sur Microsoft Azure.Pasqal Expands Access to Quantum Computing Capabilities by Pasqal, March 2025. Une commande d’une machine à 140 qubits pour EuroHPC en Italie pour CINECA à Bologne. EuroHPC Selects Pasqal to Build 140-Qubit Neutral Atom Quantum Simulator in Italy, Upgrade Planned for 2027 by Cierra Choucair, The Quantum Insider, March 2025. Son prix ? 13M€. Une nouvelle organisation. Wasiq Bokhari devient Executive Chairman. Loic Henriet devient CEO. Georges-Olivier Reymond devient Chief Strategic Alliances Officer. Pasqal Announces a New Management Structure with the Appointment of Loïc Henriet as CEO and Wasiq Bokhari as Executive Chairman, Mars 2025. Travaux sur le benchmarking et l’estimation de ressources pour obtenir un avantage quantique dans la résolution d’un problème de combinatoire de type MIS (maximum independent set). “Based on extended classical benchmarks at larger problem sizes, we estimate that scaling up to a thousand atoms with a 1 kHz repetition rate is a necessary step toward demonstrating a computational advantage with quantum methods”. Decrypting Pasqal recent research on solving optimization problems by Marie Wakim, Pasqal, March 2025 et Identifying hard native instances for the maximum independent set problem on neutral atoms quantum processors by Pierre Cazals, Constantin Dalyac et al, arXiv, February 2025 (11 pages).  Quobly et Bgene genetics L’annonce en mars d’un partenariat applicatif avec Bgene Genetics, une startup biotech de Grenoble dirigée par Marie-Gabrielle Jouan.  ChipironPublication d’un livre blanc ou blueprint scientifique de 35 pages sur la création d’une IRM portable à bas champ (1 mT) et avec une détection plus sensible avec un magnétomètre de précision à base de SQUID (capteurs supraconducteurs) en lieu et place des antennes des IRM habituelles qui détectent des radiofréquences autour de 60 MHz avec des inductances en cuivre. Au lieu de 1 à 4 Tesla dans les IRM d’hopitaux. Dans Chipiron - High quality 1 mT MRI by Zineb Belkacemi, Dimitri Labat et al, March 2025 (35 pages).  Et au passage, cela consommera beaucoup moins d’énergie. Appareil qui tiendrait dans un rack 5U. WelinqWelinq sort du prototypage et lance sa première mémoire quantique pour l’interconnexion d’ordinateurs quantiques. Elle occupe un rack complet. Welinq Launches Its Storage Solution for Quantum Computing Scale-Out by Welinq, March 2025. ColibriTDAlgorithme variationnel de résolution d’un type d’équation aux dérivées partielles (PDE), l’équation de Burger, testé sur 50 qubits d’un QPU IBM Heron de 156 qubits, dans un régime un peu en-dessous de l’avantage quantique. ColibriTD announces H-DES for solving Differential Equations on IBM Quantum Computers, Mars 2025.Solving Partial Differential Equations on IBM Quantum Processors with a Variational Quantum Algorithm, ColibriTD, March 2025 (9 pages).H-DES: a Quantum-Classical Hybrid Differential Equation Solver by Hamza Jaffali, Jonas Bastos de Araujo, Nadia Milazzo, Marta Reina, Henri de Boutray, Karla Baumann, and Frédéric Holweck, ColibriTD, arXiv, October 2024 (40 pages). IBM·       Un état intriqué GHZ de grande taille avec 120 qubits, un record après celui de Quantinuum de 50 qubits réalisé en 2024. Il a été réalisé avec le concours de Simon Martiel, un chercheur d’IBM ex Atos, basé à Bordeaux. Q-CTRL avait réalisé un GHZ de 75 qubits avec de la correction d’erreurs.Achieving computational gains with quantum error correction primitives: Generation of long-range entanglement enhanced by error detection by Haoran Liao, Michael J. Biercuk, Yuval Baum et al, arXiv, November 2024 (8 pages).·       Un QPU Heron System Two sera installé en Espagne d’ici la fin 2025 au Pays Basque. C’est le second en Europe après l’Allemagne.·       Un papier sur la correction d’erreur de portes non-Clifford...

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