IQIM postdoctoral Scholar at Caltechhttps://bsky.app/profile/francescoannamele.bsky.socialhttps://bsky.app/profile/francescoannamele.bsky.social/post/3mx36xpbrpd2lQ learning theory has been extensively developed in settings where the unknown object to learn is a state or a channel. Much less is known when the unknown object instead evolves continuously through time, like a physical signal (e.g. electromagnetic or gravitational waves) 1/04 Oct 2026 20:01 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mx36xpbrpd2lhttps://bsky.app/profile/francescoannamele.bsky.social/post/3mwymgz7rfk25Remember one of the invited talk at QIP26? It was about an experiment run on Google’s quantum computer as a promising way to experimentally demonstrate verifiable quantum advantage. This became colloquially known as “Quantum Echoes” 1/03 Oct 2026 19:24 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mwymgz7rfk25https://bsky.app/profile/francescoannamele.bsky.social/post/3mwjmh5yjm22fHow does classical behaviour emerge from quantum mechanics? In our new paper, we answer this question through the lens of Gaussian state learning. arxiv.org/pdf/2609.2670527 Sep 2026 20:14 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mwjmh5yjm22fhttps://bsky.app/profile/francescoannamele.bsky.social/post/3mrvxnvtbmk2lIt’s not as famous as the Jacobian conjecture, but it puzzled theorists in bosonic quantum communication for long time, since a 1999 seminal work by Holevo and Werner. Yes, there is a non-Gaussian state that improves the Holevo-Werner lower bound on the quantum capacity of the thermal attenuator! 131 Jul 2026 03:01 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mrvxnvtbmk2lhttps://bsky.app/profile/francescoannamele.bsky.social/post/3mrgmxkqvzs2cThis is exactly the kind of public and constructive discussion I was hoping to see! Robert Huang is talking about the impact of AI and the social norms around its use in our qinfo community https://www.youtube.com/live/vT5blu-ZUZ025 Jul 2026 00:40 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mrgmxkqvzs2chttps://bsky.app/profile/francescoannamele.bsky.social/post/3mraecuod522ySadly, unless you pay $200 per month (230 EUR if you’re European 🙂), you’re no longer as competitive in quantum info theory (as I guess in any applied-math topic).22 Jul 2026 12:49 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mraecuod522yhttps://bsky.app/profile/francescoannamele.bsky.social/post/3mlkwzwqy5k2vIn this paper, I review recent advances in quantum learning theory with bosonic systems. I hope that it is a pedagogical start to get you up to date on this exciting new field, which unveils many fundamental research questions. arxiv.org/pdf/2605.0808211 May 2026 09:19 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mlkwzwqy5k2vhttps://bsky.app/profile/francescoannamele.bsky.social/post/3mjz7vsyalk2iHappy to be joining Google Quantum AI as a Student Researcher starting this May! I’ll start in Los Angeles at the 2026 Google Quantum Summer Symposium, and then I’ll be based in Munich, where I’ll be working with Tom O'Brien. Really looking forward to it!21 Apr 2026 14:45 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mjz7vsyalk2ihttps://bsky.app/profile/francescoannamele.bsky.social/post/3mhi6ri3onc2xIn today’s paper, we make important advances in our understanding of tomography of CV Gaussian states! arxiv.org/pdf/2603.18136 1/20 Mar 2026 09:19 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3mhi6ri3onc2xhttps://bsky.app/profile/francescoannamele.bsky.social/post/3masi25mijc2oListening this song while writing my PhD thesis [contains quote post or other embedded content]25 Dec 2025 09:35 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3masi25mijc2ohttps://bsky.app/profile/francescoannamele.bsky.social/post/3m7aaqiuv7s23Happy to share that our paper “Complexity of quantum tomography from genuine non-Gaussian entanglement” has been published in Nature Communications! https://www.nature.com/articles/s41467-025-67062-3 Thanks a lot to my great coauthors Xiaobin Zhao, Pengcheng Liao, Ulysse Chabaud, and Quntao Zhuang!05 Dec 2025 10:11 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m7aaqiuv7s23https://bsky.app/profile/francescoannamele.bsky.social/post/3m6w35ttc4k22Given a mixed state, one can always write down its purifications. However, the “purification operation” is unphysical, i.e. it cannot be realised via a quantum channel. https://arxiv.org/pdf/2511.23451v1#abstract 1/01 Dec 2025 09:05 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m6w35ttc4k22https://bsky.app/profile/francescoannamele.bsky.social/post/3m6kc6zkjmc22Nature Physics has published our work! nature.com/articles/s4156… Thanks a lot to my amazing coauthors @antonioannamele.bsky.social , Lennart Bittel, @jenseisert.bsky.social, Vittorio Giovannetti, Ludovico Lami, Lorenzo Leone, @sfeoliviero.bsky.social ! https://nature.com/articles/s4156…26 Nov 2025 16:39 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m6kc6zkjmc22https://bsky.app/profile/francescoannamele.bsky.social/post/3m54zxmnkws22So excited that my coauthors and I have three papers accepted at QIP this year! - Optimising quantum data hiding arxiv.org/abs/2510.03538 - Efficient learning of CV Gaussian unitaries arxiv.org/abs/2510.05531 - Is it Gaussian? Testing CV Gaussian states arxiv.org/pdf/2510.07305 https://arxiv.org/abs/2510.0353808 Nov 2025 16:42 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m54zxmnkws22https://bsky.app/profile/francescoannamele.bsky.social/post/3m4vonp6tic2iHappy to share our TEDx talk where me and my twin @antonioannamele.bsky.social chat about quantum technologies! (Italian only) https://youtu.be/yzXUsDUPt8A?si=qpbaNuXMy3OUVwBi05 Nov 2025 18:31 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m4vonp6tic2ihttps://bsky.app/profile/francescoannamele.bsky.social/post/3m4ucdf4dqc2gHonoured to have received the Boeing Quantum Creators Prize at the Chicago Quantum Exchange event today! This prize recognises early-career researchers who advance quantum information in new directions05 Nov 2025 05:18 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m4ucdf4dqc2ghttps://bsky.app/profile/francescoannamele.bsky.social/post/3m2qxkirsa22rOkay, last post on *quantum learning theory with CV systems* (for a few months🫣) Today's new work tackles another natural and central question in this rapidly developing field: Given an unknown CV state, how to test whether is it Gaussian or not? arxiv.org/pdf/2510.07305 1/09 Oct 2025 10:36 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m2qxkirsa22rhttps://bsky.app/profile/francescoannamele.bsky.social/post/3m2oh33hnvk23The saga of *quantum learning theory with CV systems* never ends! And indeed, when you look closely at this field, many natural and promising questions arise. For instance: How to learn CV Gaussian unitaries? arxiv.org/pdf/2510.05531 1/08 Oct 2025 10:36 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m2oh33hnvk23https://bsky.app/profile/francescoannamele.bsky.social/post/3m2lvhqh6kk2sNew work on *quantum data hiding*! If you have a quirk for semidefinite/linear programming as an analytical tool for quantum info, this paper might interest you arxiv.org/pdf/2510.03538 1/07 Oct 2025 10:16 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3m2lvhqh6kk2shttps://bsky.app/profile/francescoannamele.bsky.social/post/3lzqhjooqj224Excited and honored to be selected as a winner of the Boeing Quantum Creators Prize 🥳 This international award recognizes early-career researchers who are advancing quantum information science and engineering in new directions! 🔗 chicagoquantum.org/2025BQCP26 Sep 2025 12:24 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3lzqhjooqj224https://bsky.app/profile/francescoannamele.bsky.social/post/3lzgbnlpdoc25So honored to receive the award for new talented physicists from the Italian Physical Society🥳 en.sif.it22 Sep 2025 11:13 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3lzgbnlpdoc25https://bsky.app/profile/francescoannamele.bsky.social/post/3lz6kzy3dv226My website is now online! 🔗 https://sites.google.com/sns.it/francescoannamele/about-me I’ll try to keep it updated with my research work.19 Sep 2025 09:39 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3lz6kzy3dv226https://bsky.app/profile/francescoannamele.bsky.social/post/3lnxqifftc22kI’d like to advertise two cute technical results of today’s paper that may be of independent interest (I hope): A new decomposition of Gaussian unitaries and new bosonic trace distance bounds (the saga of bosonic trace distance bounds never ends! 😍) arxiv.org/abs/2504.19319 1/29 Apr 2025 16:51 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3lnxqifftc22khttps://bsky.app/profile/francescoannamele.bsky.social/post/3lnx7rks4422vNew bosonic paper out! Take the covariance matrix of a pure state and count the number of symplectic eigenvalues that are strictly larger than one: this is a powerful non-Gaussian monotone — the *symplectic rank* arxiv.org/abs/2504.19319 1/29 Apr 2025 11:52 +0000at://did:plc:2fucpxnn3a5gygsyn2k77w7c/app.bsky.feed.post/3lnx7rks4422v