(ORDO NEWS) — Any events that seem random to us are far from random. We cannot influence them, but we are able to analyze and find the root cause of this or that incident.
In ordinary life, this has little effect, but for a number of applications, for example, in cryptography, randomness plays a decisive role.
If they lend themselves to analysis and prediction, the encryption method can be thrown into the trash. But where to look for a real and unpredictable case?
True randomness is always at hand, and it lies at the heart of our universe. According to quantum field theory, the vacuum constantly creates random pairs of particles and antiparticles.
These are truly random events that obey Heisenberg’s uncertainty principle. These are initially probabilistic objects, all the properties of which we cannot simultaneously measure and predict.
This is the coin that no matter how you toss, we will never create any statistically significant probability of falling out.
Scientists from institutes in Belgium, Denmark and Italy were able to use the birth of virtual particles in “quantum foam”.
They created a relatively compact device to generate 100 Gbits of random data every second. Each bit in this stream is a random virtual particle of the quantum field.
The appearance of virtual particles has long been fixed in one way or another. They are manifested in the nuances of the operation of lasers and in the scattering of their light on various chemical compounds.
Scientists have long been looking for a reliable method for fixing virtual particles without complicated and cumbersome equipment. This cannot be used in everyday life.
In a new paper in the journal PRX Quantum, an international team of scientists proposed a device based on an integrated homodyne detector that could detect virtual particles several times faster than analogs and did it without a significant amount of additional equipment.
The highlight of the development was the solution to reduce interference.
It detected the source of potential interference and took into account its effect on the sensor of virtual particles, which dramatically increased the sensitivity for detecting quantum phenomena.
The result is a platform on a chip capable of reliably generating random numbers for all encryption needs and more.
Whether there will be an immediate practical application for this, scientists cannot predict, but given the growing fear of cracking encryption by quantum platforms, the need for real randomness has long matured.
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