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Decode Quantum with Christian Weedbrook from Xanadu

We are back after seven months of break. This is the 85th episode of Decode Quantum, with me, Olivier Ezratty, and Fanny Bouton. In this new episode, we welcome Christian Weedbrook, the founder and CEO of Xanadu Quantum Technologies (Canada). He is an Australian born physicist and entrepreneur based in Toronto, Canada. He has a […]

Extended “Understanding Quantum Technologies 2025” on arXiv

I published the 2025 edition of the ebook “Understanding Quantum Technologies” on September 29th, 2025. Since then, I regularly updated it with news, mostly related to new arXiv preprints. The update log is at the end of the book. Like with each past editions since 2021, I wait about a month of beautifying and then […]

Understanding Quantum Technologies 2025

I am happy and relieved to release Understanding Quantum technologies 2025. It is the 8th edition of this book and the fifth in English. For the first time, I reduced its size, from 1,554 to 1,524 pages, while increasing its content size. I’ll explain why and how later.  It is always organized in five parts […]

How to analyze quantum computing use cases

At the France Quantum 2025 event in Paris on June 10th, 2025, I had a chance to deliver a keynote on how to analyze quantum computing use cases. It was a first of a kind presentation on this topic as far as I am concerned. I started with semantics, explaining the difference between a use […]

Back from Lindau

Between June 30st and Wednesday 3rd July, 2024, I participated to the Lindau Nobel Laureate Meetings, in the south of Germany, at the Lindau island in lake Constance. I was invited there to participate to a panel discussion with two laureates and others on the future of quantum and its related hype. With Fanny Bouton […]

A framework to analyze quantum computing case studies

In the latest 2023 edition of Understanding Quantum Computing 2023, I proposed a framework to analyze the quantum computing case studies that are flourishing nowadays. It is located in the book just before 57 pages listing various case studies in 16 vertical markets (healthcare, energy, chemistry, transportation, logistics, retail, telecommunications, finance, insurance, …). These pages […]

Understanding Quantum Technologies 2023 paperback edition

Since the release on September 28, 2023, of the third edition in English of the book Understanding Quantum Technologies, I have worked hard to both update the book and clean it for releasing it in paperback edition on Amazon KDP. The modifications log at the end of the book provides indications of what changed over […]

Understanding Quantum Technologies 2023

Here is Understanding Quantum technologies 2023, the 6th edition of this book and the third in English. As all my book, it is a free to download book without any questions. It beats another record of mine with 1,366 pages, split in three volumes for e-readers and a paperback edition available on many Amazon sites. It […]

Decode Quantum with Simone Severini from AWS

In this 58th episode of the Decode Quantum podcast series, always coproduced and cobroadcasted with Frenchweb, we welcome Simone Severini, who runs all quantum product and services activities at AWS/Amazon. It is the first in English and probably not the last one! Simone Severini is the Director in charge of Quantum Technologies at Amazon Web Services […]

Where are we heading with NISQ?

I’m continuing a series of broad review papers on quantum computing after Disentangling quantum emulation and quantum simulation in January 2023, Is there a Moore’s law for quantum computing? in March 2023 and Perspective on superconducting qubit quantum computing published in EPJA in April 2023. This time, I evaluate the state of the art of noisy […]
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