The fastest logic gates ever use lasers to guide electrons
. We currently measure computers using gigahertz clock rates. However, the creation of the fastest logic gate ever could open the door for petahertz clock rates, where 1 petahertz is equal to 1 million gigahertz. But how did all this start? Well, researchers have been looking for ways to create lightning-fast electronics for decades. In fact, one of science’s long-standing quests has been to develop electronics and information processing that can operate close to the fastest timescales that the laws of nature allow.to try using a laser to guide the motion of electrons in matter. This concept is known as lightwave electronics, and it seems like it could indeed be the future of computational processing.
Essentially, logic gates work by taking two input signals and creating a single output. Logic gates process information that we call bits, which come in the form of 0s and 1s. To create the fastest logic gate ever, the researchers used two synchronized laser pulses as the input signals.
One million times cheaper would be nicer
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