The ALPHA experiment, including Professor Scott Menary and grad student Darij Starko, is the first to use lasers to cool a sample of antimatter to near absolute zero. Check out some of the media coverage below or read the Nature paper.
https://www.cbc.ca/news/technology/antimatter-laser-1.5970894
https://www.wired.com/story/physicists-learn-to-superfreeze-antimatter-hint-pew-pew/