Amplifier on a chip transmits10X more data per second than those of current fiber-optic systems, opening prospect for super lasers

https://www.eurekalert.org/news-releases/1079535

"cost-effective, energy efficient, optical communication amplifier laser bandwidth 300 instead of 30 nm, reduced noise... of silicon nitride, several small spiral-shaped interconnected waveguides efficiently directing light with minimal loss, optimised geometric design... can amplify very weak signals... scalable: chip can integrate multiple amplifiers... imaging, holography, spectroscopy, microscopy. medical diagnostics/ treatment, space, lasers rapidly changing wavelengths over wide range"