The world's first room-temperature continuous-wave UV-B laser diode on a sapphire substrate

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

First standalone spin-wave chip operates without external magnets for future telecom

The Politecnico di Milano has created the first integrated and fully tunable device based on spin waves, opening up new ...