The Quantum & Complex Optics symposium 2025 took place on the 21st and 28th of Novembre 2025, and it was a success! Thank you to all the participants and to all our invited speakers: Prof. Stefanie Barz (University of Stuttgart), Prof. Yaron Bromberg (Hebrew University of Jerusalem), Prof. Hamed Merdji (Ecole Polytechnique), Prof. Maria Chekhova (Max Planck Institute for the Science of Light), Prof. Robert Boyd (University of Rocherster) and Prof. Jacopo Bertolotti (University of Exeter). See you in two years for the next one!
CNRS Highlight 2024
Our work Hiding Images in Quantum Correlations, by Chloé Vernière and Hugo Defienne, innitially published in Physical Review Letters, with a follow up article in Photoniques, has been selected by the CNRS as a scientific highlight of 2024 !
New publication in Optics Letters
Certifying spatial entanglement between non-degenerate photon pairs with a camera, published in Optics Letters. By Emma Brambila, Raphael Guitter, René Sondenheimer, Markus Gräfe, and Hugo Defienne. In collaboration with Fraunhofer IOF and TU Darmstadt
Welcome !
We welcome Ruotong Feng, Anna Beauvironnet, and Allard Hübler for their Master’s and Bachelor’s internships. They will be with us for periods ranging from 3 to 6 months, working on quantum imaging, quantum state characterization, and developing a laboratory project for Masters students in Paris.
New publication in Nature Review Physics
Imaging quantum correlations using a camera, by Dr. Shaurya Aarav.
New publication in Photoniques
Encoding and decoding images in quantum optical correlations, by Chloé Vernière, Baptiste Courme and Hugo Defienne.
Top 10 Breakthroughs of the Year in physics for 2024!
Two of our papers from 2024 were selected by Physics World as breakthroughs of the years 2024 in Physics ! Check the article: https://physicsworld.com/a/top-10-breakthroughs-of-the-year-in-physics-for-2024-revealed/
Welcome Yanis!
We welcome Yanis Trouyet, who just started his PhD with us! He kicked things off a few days ago by presenting his Master’s internship results at the Rencontre des Jeunes Physicriennes
News – pre 2025
October 2024: Review Advances in quantum imaging published in Nature Photonics with Warwick P. Bowen, Maria Chekhova, Gabriela Barreto Lemos, Dan Oron, Sven Ramelow, Nicolas Treps and Daniele Faccio
September 2024: New publication in Physical Review Letters: Hiding images in quantum correlations.
News coverage: CNRS Physique, PhysicsWorld
March 2024: New publication in Science: Adaptive optical imaging with entangled photons, with University of Glasgow, Laboratoire Kastler Brossel and University of Cambridge
News coverage: LeMonde, PhysicsWorld, PhysicsToday
Happy new year 2024 !
June 2023: Thank you all for your participation at the Quantum imaging symposium, on Thursday the 15th of June 2023 at Sorbonne University! (Photo: INSP, Cécile Duflot)
January 2023: New paper in Physical Review X Quantum : Manipulation and Certification of High-Dimensional Entanglement through a Scattering Medium, with Baptiste Courme, Patrick Cameron, Daniele Faccio, Sylvain Gigan, and Hugo Defienne. A fruitfull collaboration with the LKB and the University of Glasgow !
+ Highlighted by the INP.
September 2022: Congrats to Patrick Cameron and Hugo Defienne for being awarded the SPIE Early Career Researcher Accelerator fund in Quantum Photonics – University of Glasgow to further explore quantum optics in scattering media
June 2022: New publication in Nature Communications: Pixel super-resolution with entangled photons, with colleagues from University of Glasgow, EPFL and Princeton University.
April 2022: New publication in Nature Photonics: Quantum microscopy based on Hong-OU-Mandel interference, together with colleagues from Heriot-Watt University.
ERC starting grant 2021 awarded to Hugo Defienne on the project SQiMic ‘Structuring Quantum light for Microscopy’.
January 2022: New publication in Optics Express: Light detection and Ranging with entangled photons, together with colleagues from EPFL.
September 2021: Best poster prize at Sensing with Quantum Light 2021 for our PhD student Patrick Cameron ! Congrats! Check the poster on ‘Shaping entangled photon correlations’ here.
August 2021 – New paper in Optics Letters ! Engineering spatial correlations of entangled photon pairs by pump beam shaping, a collaborative work with Pauline Boucher and Sylvain Gigan
May 2021 – Entanglement enabled holography highlighted on the cover of Nature Physics !
April 2021 – New paper in Physical Review A! Our work on SPAD camera for full field quantum imaging, together with colleagues from Ecole Polytechnique Federale de Lausane, is published in PRA!
March 2021 – Quantum holograms on France Culture!
Hugo Defienne was invited on the scientific french radio shows ‘La méthode scientifique » on « France Culture » to discuss about classical and quantum holography, together with Prof. Gilles Tessier from Institut de la Vision.
February 2021 – New publication in Nature Physics!
By using entanglement between photons, quantum holography can circumvent the need for first-order coherence that is vital to classical holography.
Media coverage: University of Glasgow press release, The Conversation, France Culture.
November 2020 -Back-to-back cover in Nature Physics!
Our work ‘Unscrambing entanglement through a complex medium‘ together with colleagues from Heriot-Watt University is highlighted on the cover of Nature Physics in November.
October 2020 – Quantum holography highlithed on the cover of Nature Physics special issue !
Our image of a ’15’ made with our quantum holography technique has been selected for the birthday cover of Nature Physics in October 2020. Happy birthday!
More details about the pictures on the cover in the Nature blog.
August 2020 – New publication in Nature Physics!
Our work Unscrambing entanglement through a complex medium together with colleagues from Heriot-Watt University is published in Nature Physics.
Media coverage: BBC, Physics world, Physics today, News and views Nature Physics, Heriot-Watt press release.
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