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Record-high-Q AMTIR-1 microresonators for mid- to long-wave infrared nonlinear photonics
Liu Yang, Ryo Sugano, Ryomei Takabayashi, Hajime Kumazaki, Yongyong Zhuang, Xiaoyong Wei, Takasumi Tanabe, Shun Fujii
https://arxiv.org/abs/2505.23362

Record-high-Q AMTIR-1 microresonators for mid- to long-wave infrared nonlinear photonics
AMTIR-1 chalcogenide glass has shown its potential for use in thermal imaging systems owing to its low refractive index, thermal resistance and high transparency across the infrared wavelength regime. Here we report a millimeter-scale high-Q whispering gallery mode microresonator made of AMTIR-1. The recorded Q-factor has reached $1.2\times10^7$ at 1550~nm, which is almost two-orders of magnitude higher than previously reported values. We characterize the thermal properties, where low thermal c…

The next Tech Pizza Monday is a Sticker Club edition! Bring your stickers to exchange, or just marvel in the stickers people do bring. The usual discussions of free and open software, free and open hardware, and free and open society will of course ensue! #Toronto #tech

🇺🇦 #NowPlaying on #BBC6Music's #TheCraigCharlesFunkAndSoulShow
Gary Byrd & The G.B. Experience:
🎵 The Crown
#GaryByrd #TheGBExperience
https://secretsunmusic.bandcamp.com/track/gary-byrd-and-the-g-b-experience-the-crown-secret-sun-remix
https://open.spotify.com/track/4xNo57NFQVWRu4o7OGz0k2

Remember Alphaville's song Forever Young?
If you have 8 more minutes here's what I recently found. I hope it gives you as much joy listening to it as it does for me.
https://youtu.be/tejB6cG7bBg?feature=shared

The ATProTO meetup on April 14th conflicts with Tech Pizza Monday, so we will try to hijack it. Just kidding! Or are we? Either way, the details are in the Luma link. #ATProtocol #Toronto #ATProTO

"Es reicht, wir sind erschöpft. Wir haben uns diesen Tod nicht ausgesucht. Wir haben uns nicht ausgesucht, unter der Besatzung geboren zu werden, und wir haben nicht darum gebeten, von einer Regierung regiert zu werden, die nichts für uns empfindet. [...] Jetzt suchen wir nur noch nach einem Ausweg aus diesem Ort, den alle aufgegeben oder verlassen haben – getötet von der Besatzung, zum Schweigen gebracht von unserer Regierung, ignoriert von der Welt."

We don’t know about you, but we’re excited for the next instalment of Tech Pizza Monday: Sticker Club!
Bring your stickers, patches and pins for display and potential trading. If you just want to part with them and be happy in the knowledge that they will get the love they deserve, that’s OK too!
#Toronto

Hey hey! We’re still doing Tech Pizza Mondays. We understand there’s a certain conference in town, one that rhymes with “blanimé sporth”, so if you’re a part of that, join us tomorrow! #Toronto #tech #pizza

​The Tech Pizza Monday meetup yesterday was so successful that we’re doing it again, you guessed it, next Monday! Come for the pizza and stay for the tech discussions. Got an open hardware demo? Cool! Those are the best! The more you believe in free and open software and hardware in service of a free and open society, the more you’re welcome to join us. The location is Victory Cafe, 440 Bloor St. W., Toronto, ON. The start time is 6 PM.
RSVP is not required, or even encouraged, frankl…