Slowed-down light stores data for longer

 作者:弓鸠     |      日期:2019-03-15 05:08:00
By Amarendra Swarup Light, for some scientists, just moves too fast. They dream of using “slow light” to overcome limitations in everything from image processing to quantum computing. Now, two teams in the US have taken important steps towards these goals. Light is good at carrying information in a digital system. The problem is storing that information: typically, digital devices do this by converting the light into electrical signals and then back into light again when it is needed,