which has a readable :
https://www.nature.com/articles/s41586-024-07457-2.epdf?shar...
https://optics.org/news/15/6/45
>Chip-scale titanium-sapphire laser puts powerful technology in reach
https://news.stanford.edu/stories/2024/06/a-chip-scale-titan...
>Researchers create a super-efficient Ti:sapphire laser that fits on a chip
https://interestingengineering.com/innovation/researchers-cr...
which has a readable :
https://www.nature.com/articles/s41586-024-07457-2.epdf?shar...