Groundbreaking study demonstrates control over quantum fluctuations, unlocking potential for probabilistic computing and ultra-precise field sensing. A team of researchers from the Massachusetts Institute of Technology (MIT) has achieved a milestone in quantum technologies, demonstrating for the
MIT researchers have successfully controlled quantum randomness using “vacuum fluctuations,” introducing a breakthrough in probabilistic computing with potentially wide-ranging applications.
The team of researchers focused on a unique feature of quantum physics known as “vacuum fluctuations.” You might think of a vacuum as a completely empty space without matter or light. However, in the quantum world, even this “empty” space experiences fluctuations or changes. Imagine a calm sea that suddenly gets waves — that’s similar to what happens in a vacuum at the quantum level. Previously, these fluctuations have allowed scientists to generate random numbers.
This is where the concept of probabilistic computing comes into play. Probabilistic computing systems leverage the intrinsic randomness of certain processes to perform computations. They don’t just provide a single “right” answer, but rather a range of possible outcomes each with its associated probability.
“Despite extensive study of these quantum systems, the influence of a very weak bias field was unexplored,” remarks Charles Roques-Carmes, a researcher in the study. “Our discovery of controllable quantum randomness not only allows us to revisit decades-old concepts in quantum optics but also opens up potential in probabilistic computing and ultra-precise field sensing.”
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