Samara scientists have calculated how to "turn" laser beams into photonic neurons; the research may help in creating a new generation of optical neural networks, the press service of the Samara University named after Korolev reported.
For development in this area (artificial intelligence - ed.), new technical solutions will certainly be required, and one of such promising solutions may be the development of neuromorphic, that is, brain-like, processors created on the photonics platform in the form of a complex of optical neural networks. Our research group is studying the prospects of using one type of laser in such neural networks - the so-called VCSEL ("vertical-cavity surface-emitting laser").
Scientists note that the wide aperture of "VCSELs" will be useful for their operation as photonic neurons - the ability to form a wide beam. That is, instead of a narrow focused beam, they can generate a diverging beam that exhibits chaotic dynamics. Scientists have identified and calculated the parameters under which a strongly diverging beam occurs. In this state of chaotic dynamics, lasers can also form complex ordered spatio-temporal structures. Scientists have calculated the conditions under which this occurs, and what kind of structures arise.
Based on such photonic neurons, it will be possible in the future to create miniature optical neural networks of a new generation, which will be high-speed and energy-efficient, similar in structure to the brains of living beings, scientists believe.
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