November 30, 2011 at 16:14Fast random noise generator
Canadian physicist Ben Sussman (Ben Sussman) and his colleagues designed a very fast and structurally simple random number generator based on the field of vacuum fluctuations.
The Universe is designed in such a way that virtual particles with significant energy constantly appear at each point in space. On a quantum scale, vacuum is a frantically active, “living” substrate, where particles are born and annihilate, giving a total of zero. Although these particles are abstract objects of quantum field theory, they manifest themselves in specific physical processes, for example, the Casimir effect — the mutual attraction of conducting uncharged bodies. And another useful application of vacuum “noise” was found - random number generation.
Sassman's design consists of a pulsed laser with a high radiation frequency, a medium with a high refractive index (diamond), and a detector. Passing through a diamond, each pulse on the detector shows different characteristics, depending on the vacuum field fluctuations that met in the path of the photons. Spectral lines that do not exist in the spectrum of primary light appear in the spectrum of scattered radiation at the output (see the Raman effect ), and because of the unpredictability of vacuum fluctuations, these lines each time differ in unpredictable ways. Due to the high intensity of laser radiation, fast detectors can be used, rather than single photon detectors.
Note that humanity does not even have a theoretical possibility to develop an apparatus for predicting zero-point oscillations, because by their nature it is impossible to predict them. According to one theory, our Universe could arise from such a vacuum fluctuation, which gave rise to a “bubble”. Moreover, at every moment in time millions of such “universes” are constantly born and die in a vacuum - they can be used for RNG.
Quantum random bit generation using stimulated Raman scattering , Optics Express, Vol. 19, Issue 25, pp. 25173-25180 (2011)
The Universe is designed in such a way that virtual particles with significant energy constantly appear at each point in space. On a quantum scale, vacuum is a frantically active, “living” substrate, where particles are born and annihilate, giving a total of zero. Although these particles are abstract objects of quantum field theory, they manifest themselves in specific physical processes, for example, the Casimir effect — the mutual attraction of conducting uncharged bodies. And another useful application of vacuum “noise” was found - random number generation.
Sassman's design consists of a pulsed laser with a high radiation frequency, a medium with a high refractive index (diamond), and a detector. Passing through a diamond, each pulse on the detector shows different characteristics, depending on the vacuum field fluctuations that met in the path of the photons. Spectral lines that do not exist in the spectrum of primary light appear in the spectrum of scattered radiation at the output (see the Raman effect ), and because of the unpredictability of vacuum fluctuations, these lines each time differ in unpredictable ways. Due to the high intensity of laser radiation, fast detectors can be used, rather than single photon detectors.
Note that humanity does not even have a theoretical possibility to develop an apparatus for predicting zero-point oscillations, because by their nature it is impossible to predict them. According to one theory, our Universe could arise from such a vacuum fluctuation, which gave rise to a “bubble”. Moreover, at every moment in time millions of such “universes” are constantly born and die in a vacuum - they can be used for RNG.
Quantum random bit generation using stimulated Raman scattering , Optics Express, Vol. 19, Issue 25, pp. 25173-25180 (2011)