to collect the amount shown above from my account periodically. Controlling electrical signals with light could make the computers of the future over a million times faster, which is the aim of petahertz signal processing or light wave electronics. The oscillation of a light wave takes approximately one femtosecond, which is one millionth of one billionth of a second. Physicists are working hard to control electronics with light waves. There are limits to how far chip manufacturers can go and at a certain point, it won’t be possible to make transistors any smaller. The latest transistors measure only 0.000005 millimeters in size, the equivalent of just a few atoms. Modern computers already operate at the breathtaking speed of several gigahertz, which translates to several billion computing operations per second. In the competition to produce faster devices, the size of these transistors is constantly decreased to fit as many together as possible onto chips. The computing speed of today’s computer and smartphone processors is given by field-effect transistors. Their findings have now been published in the journal Nature, informs FAU in a press release. Researchers from the Chair of Laser Physics at FAU and a team from the University of Rochester in New York have demonstrated how the speed of fundamental computing operations could be increased in future to up to a million times faster using laser pulses. Simulating complex scientific models on the computer or processing large volumes of data such as editing video material takes considerable computing power and time.
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