A new solid-state device uses one beam of light to switch another beam of light from one direction to another. It uses one-fifth the power — only 90 atto-joules — than the previous all-optical switch.
A new solid-state device uses one beam of light to switch another beam of light from one direction to another. It uses one-fifth the power — only 90 atto-joules — than the previous all-optical switch.