Photonics team develops high-performance ultrafast lasers that fit on a fingertip

https://phys.org/news/2023-11-photonics-team-high-performance-ultrafast-lasers.html

"mode-lock laser chip emits ultrashort, coherent light pulses in femtosecond intervals... cheaper, energy efficient... combines high laser gain III-V semiconductors and efficient pulse shaping thin-film lithium niobate nanoscale photonic waveguides... emits high output peak power 0.5 (goal: >1) W... cell phones diagnose eye disease or analyzing food and environments for viruses, and enable futuristic chip-scale atomic clocks which allows navigation when GPS is compromised or unavailable"

Related: A promising pairing: Scientists demonstrate new combination of materials for quantum science

https://www.anl.gov/article/a-promising-pairing-scientists-demonstrate-new-combination-of-materials-for-quantum-science