Putting the laws of quantum mechanics to the test.
The fastest devices in the world are known as optoelectronics — systems that use light to control electricity. The new study outlines the limit for optoelectronics by calculating the speed at which the most powerful examples of these devices can operate.
The team observed the current while applying shorter and shorter laser pulses until Heisenberg's uncertainty principle allowed them to go no further — the principle states that the more accurately you measure one variable of a particle, such as its position, the more uncertain other variables, such as momentum will be, and vice versa. The scientists also applied their findings to complex computer simulations to make better sense of their observations.
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