Metasurfaces help lasers to mode-lock
arXiv:2004.12596 · doi:10.1038/s41377-020-0312-1
Abstract
Metasurface saturable absorbers may result in versatile mode-locking that allows one to obtain stable ultrashort laser pulses with high repetition rates and peak powers, along with broadband operation, within fiber to solid-state laser cavities.