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Brightening up quantum computing - Nature

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⚡ Quantum Brief
Pascale Senellart-Mardon, a CNRS research director at Université Paris-Saclay, highlights photonic quantum computing’s potential in a November 2025 interview, emphasizing its scalability and room-temperature operation advantages over superconducting or trapped-ion systems. As co-founder of Quandela, she bridges academia and industry, accelerating photonic quantum processor development while addressing challenges like photon loss and indistinguishability in quantum light sources. Recent breakthroughs cited include high-efficiency single-photon sources (2024–2025) and error mitigation techniques, which Senellart-Mardon links to Quandela’s progress in building fault-tolerant photonic quantum computers. She stresses collaboration between public research and private sectors, noting France’s growing quantum ecosystem as critical for advancing photonic technologies amid global competition. Senellart-Mardon warns that hardware advances must align with algorithmic innovations to unlock practical applications, urging sustained investment in both fundamental science and engineering.
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Pascale Senellart-Mardon, CNRS research director at the Center for Nanoscience and Nanotechnology at the Université Paris-Saclay and co-founder of photonic quantum computer start-up Quandela, talks to Nature Materials about photonic quantum technologies and the challenges and opportunities of juggling academia and industry. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution Access options Access through your institution Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription 27,99 € / 30 days cancel any time Learn more Subscribe to this journal Receive 12 print issues and online access 251,40 € per year only 20,95 € per issue Learn more Buy this article Purchase on SpringerLink Instant access to full article PDF Buy now Prices may be subject to local taxes which are calculated during checkout ReferencesSomaschi, N. et al. Nat. Photon. 10, 340–345 (2016).Article CAS Google Scholar Gibney, E. Nature 635, 800–803 (2024).Article CAS PubMed Google Scholar Maring, N. et al. Nat. Photon. 18, 603–609 (2024).Article CAS Google Scholar Margaria, N. et al. Nat. Commun. 16, 7553 (2025).Article CAS PubMed PubMed Central Google Scholar Coste, N. et al. Nat. Photon. 17, 582–587 (2023).Article CAS Google Scholar Huet, H. et al. Nat. Commun. 16, 4337 (2025).Article CAS PubMed PubMed Central Google Scholar Wein, S. C. et al. Preprint at https://arxiv.org/abs/2412.08611 (2024).de Gliniasty, G. et al. Quantum 8, 1423 (2024).Article Google Scholar Download referencesAuthor informationAuthors and AffiliationsNature Materials https://www.nature.com/nmat/Amos MartinezAuthorsAmos MartinezView author publicationsSearch author on:PubMed Google ScholarCorresponding authorCorrespondence to Amos Martinez.Ethics declarations Competing interests P.S. is co-founder and scientific advisor of the company Quandela. Rights and permissionsReprints and permissionsAbout this articleCite this articleMartinez, A. Brightening up quantum computing. Nat. Mater. (2025). https://doi.org/10.1038/s41563-025-02410-8Download citationPublished: 20 November 2025Version of record: 20 November 2025DOI: https://doi.org/10.1038/s41563-025-02410-8Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.

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