Solid-state and gas lasers have followed largely divergent development paths. Gas lasers are based primarily on direct electrical discharge for pumping (energizing), while solid-state lasers are ...

The 2014 Nobel Physics Prize was presented to three researchers, Professor Isamu Akasaki, Professor Hiroshi Amano and Professor Shuji Nakamura for the invention of an efficient blue light-emitting ...

The most efficient diode ever made using carbon nanotubes has been unveiled, marking another step towards practical atomic electronics. Carbon nanotubes – structures resembling rolled up cages made ...