May 2026 - Instrumentation - mailing lists STRW

Meeting Oort room (BM4.33) @ 11:00
by Michiel Darcis 20 May '26

20 May '26

Hi all, Another instrumentation meeting today at 11:00 in the Oort room. Slides to haffert(a)strw.leidenuniv.nl and m.darcis(a)sron.nl. See you there. Cheers, Michiel Join Zoom Meeting https://universiteitleiden.zoom.us/j/61014126606?pwd=XwqwfIBv4aIIsbHi08SLPz… Meeting ID: 610 1412 6606 Passcode: s3!UMxi!

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Meeting Oort room (BM4.33) @ 11:00
by haffert＠strw.leidenuniv.nl 13 May '26

13 May '26

Hi all, Meeting today at 11:00 in the Oort room. Slides are welcome to haffert(a)strw.leidenuniv.nl <mailto:haffert@strw.leidenuniv.nl> Met vriendelijke groet / With kind regards, Dr. Sebastiaan Haffert Assistant professor Leiden Observatory, Leiden University Einsteinweg 55, 2333 CC, Leiden, The Netherlands

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FW: ML Coffee - Photonic Computing for AI - May 8th
by haffert＠strw.leidenuniv.nl 06 May '26

06 May '26

Hi all, This could be a nice talk / discussion session for some here =). Sebastiaan From: Lukas Welzel <welzel(a)strw.leidenuniv.nl> Sent: Wednesday, 6 May 2026 14:27 To: haffert(a)strw.leidenuniv.nl; tonucci(a)strw.leidenuniv.nl Subject: Fwd: ML Coffee - Photonic Computing for AI - May 8th Dear Sebastiaan and Elena, As mentioned a few weeks ago, we will have an invited talk on Photonic Computing for AI at the Observatory’s Machine Learning Coffee this Friday from 14:00 to 15:00. Could you please share this with your group, and with anyone in the wider Leiden Observatory instrumentation group who might be particularly interested? The full announcement is forwarded below. Many thanks in advance. Best, Lukas -------- Forwarded Message -------- Subject: [ML-journalcub] ML Coffee - Photonic Computing for AI - May 8th Date: Wed, 6 May 2026 14:15:25 +0200 From: Lukas Welzel <mailto:welzel@strw.leidenuniv.nl> <welzel(a)strw.leidenuniv.nl> To: ml-journalcub(a)strw.leidenuniv.nl <mailto:ml-journalcub@strw.leidenuniv.nl> Hi everyone, We will have this week's Machine Learning Coffee in room BW.4.34a (Arcturus) on Friday, May 8, from 14:00 to 15:00. We are happy to welcome Ir. Bas Ketelaar from the Quantum Nanoscience group at TU Delft, who will give a talk titled “Photonic Computing for Artificial Intelligence”. The abstract is included below. As traditional digital electronic computing approaches its limits, while the demand for computation continues to grow, there is an increasing interest in novel computing paradigms. One promising solution comes from using light to do computation. Photonics offers potential benefits in terms of bandwidth, latency, and energy consumption. One field where such benefits are relevant is that of AI. I will give a broad overview of how light can be used to do computation, focusing on how to implement neural networks with integrated photonics. You can also join the Machine Learning Coffee online using: https://universiteitleiden.zoom.us/j/61539293608?pwd=76wwg3n9xGheL0zEb9hw8L… See you on Friday! Best, Lukas -- Lukas Welzel (he/him/his) PhD candidate Leiden Observatory

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Meeting Oort room (BM4.33) @ 11:00
by Michiel Darcis 06 May '26

06 May '26

Hi all, After a short break we are back in action. Two slides to haffert(a)strw.leidenuniv.nl and m.darcis(a)sron.nl. I heard rumours there might be some edible substances present. See you at the Oort room at 11:00. Cheers, Michiel Join Zoom Meeting https://universiteitleiden.zoom.us/j/61014126606?pwd=XwqwfIBv4aIIsbHi08SLPz… Meeting ID: 610 1412 6606 Passcode: s3!UMxi!

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