An ultrafast and highly performing nonlinear splitter based on lithium niobate

https://techxplore.com/news/2022-08-ultrafast-highly-nonlinear-splitter-based.html

"switch ultrashort light pulses at an extremely low optical pulse energy of tens of femtojoules... Information processing with THz clock rates... large-scale, ultrafast nanophotonic circuits and systems... 'saturable absorber... building block passive mode locking... saturable absorption... speed and energy-efficiency... compatible with integrated lasers"