Prof. Sorbonne Université / @picolablkb.bsky.social / @lkblab.bsky.social | ENS Paris | Interested in Physics, but also imaging, computing, quantum optics and in the beauty and applications of light in general | proud dad & Husband | he/himhttps://bsky.app/profile/sylvaingigan.bsky.socialhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3msohhtfvmk2r10 days without opening my laptop. https://static.klipy.com/ii/4e7bea9f7a3371424e6c16ebc93252fe/b7/a5/86pDVAhKzew0r.gif?hh=498&ww=498&mp4=rDF0vFxoPhgH1IGv&webm=iDi5SRF92mngBWME09 Aug 2026 20:48 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3msohhtfvmk2rhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mpywnaciuk2yA wonderful 3 years working with Ziao -- I mean Dr. Wang -- very proud of what you achieved, and sure you will do great whatever you do next! [contains quote post or other embedded content]06 Jul 2026 20:30 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mpywnaciuk2yhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mouuocblus2f ... I found my first prompt injection in a paper I was reviewing. Well hidden, but a simple copy-paste in word revealed it. Interesting times ahead!22 Jun 2026 12:19 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mouuocblus2fhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3moffhwyrhk2qI hear that some senior PIs are seriously giving talks about replacing PhD students with armies of robotic arms and agents. Personally I’m not sure PIs aren’t easier to replace… in what world are we living.16 Jun 2026 08:37 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3moffhwyrhk2qhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mo5ttsjolc2uI am at the stage in my career where my biggest contribution is sometimes just to remind people about old (meaning >10y) papers, so they don't reinvent the wheel.13 Jun 2026 08:33 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mo5ttsjolc2uhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mlw5kv2kmc25Extremely happy and proud about this one - a tour de force and a scientific marathon by our outstanding PhD student Ziao Wang, Kilian Muller, and many collaborators in particular @krzakalaf.bsky.social @ldaudet.bsky.social and many at @lightonai.bsky.social, [contains quote post or other embedded content]15 May 2026 20:16 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mlw5kv2kmc25https://bsky.app/profile/sylvaingigan.bsky.social/post/3mkttufldes2yConcluding the GRC in image science 2026 in beautiful Braga, Tuscany. 130+ participants keen on sharing insight and learn about imaging in all its diversity. See you in 2028 !02 May 2026 04:51 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mkttufldes2yhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mkllot4wis2aHaving a great time at the « image Science » GRC in Italy, we took time for a photo with current group members, alumni, and friends of @picolablkb.bsky.social !28 Apr 2026 22:04 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mkllot4wis2ahttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mfvtobnvh223Time to rise and SHINE through multimode fibers! ✨ Thrilled to have contributed (albeit modesly) to this really nice work by Puxiang Lai and team. Check out the preprint here: arxiv.org/abs/2602.20562 https://arxiv.org/abs/2602.2056228 Feb 2026 08:47 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mfvtobnvh223https://bsky.app/profile/sylvaingigan.bsky.social/post/3mftxkpehs22qme sitting in front of my new 34 inch panoramic external screen 🚀27 Feb 2026 14:52 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mftxkpehs22qhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mesuyobbfc2lThe manga exhibition at Guimet museum 👘💯14 Feb 2026 11:08 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mesuyobbfc2lhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mdilmf46k22gridiculously nice panoramic ride through the alps on my way back from Innsbruck. my moving office 🚂 >> your static office 🖥️28 Jan 2026 15:28 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mdilmf46k22ghttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mdctccefv22eOn my way to Innsbruck by train through Zurich - since there is no direct flight, train is (i) cheaper (~150€) (ii) faster (8.5h) and (iii) infinitely more comfortable. Looking forward to giving a colloquium and visiting old friends! 🛤️ 🗻26 Jan 2026 08:30 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mdctccefv22ehttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mbyo6a3dcs2kI've got some questions from my 11yo about black holes, which led to a long discussion and some nice youtube videos binge watching together. I must say Astronomy is a nice way to captivate kids with physics....09 Jan 2026 14:06 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mbyo6a3dcs2khttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mbqznm6mbs2lCompletely packed amphitheater for the first lecture of Pascale Sennelart at @college-de-france.fr for her annual chair on quantum technologies !06 Jan 2026 13:10 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mbqznm6mbs2lhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mbp6qqnbzk2uso I have this ominous event in my calendar that says "deadline" tomorrow at 9am but I have no clue what this is... 🤷‍♂️#AcademicChatter05 Jan 2026 19:36 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mbp6qqnbzk2uhttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mbo3ltpya22wAnd 🥁 the final program of the *"Image Science" Gordon Research Conference*, to take place in Italy April 26-May 1st, is out! Please take some time to check the program, apply, *share* with your colleagues. https://www.grc.org/image-science-conference/2026/ (1/N)05 Jan 2026 09:07 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mbo3ltpya22whttps://bsky.app/profile/sylvaingigan.bsky.social/post/3mblgeadcxk2pand it happened : I just came to realize I didn't fly for work in 2025 (I did fly a bit for personal reasons). It wasn't an objective per se, but just being (a bit) picky, and looking for train alternatives when possible did the trick. and I did go to IT, NL, CH, UK, GE, CZ.04 Jan 2026 07:42 +0000at://did:plc:xwdy7up64tcbqn3nib37mjy7/app.bsky.feed.post/3mblgeadcxk2p