Structured Light Revolution: Noise-Free Optical Communication Demonstrated — A new approach to optical |
New research in structured light means researchers can exploit the many patterns of light as an encoding alphabet without worrying about how noisy the channel is. Credit: Wits UniversityThe patterns of light hold tremendous promise for a large encoding alphabet in optical communications, but progress is hindered by their susceptibility to distortion, such as in atmospheric turbulence or in bent optical fiber.
“This is a very exciting advance because we can finally exploit the many patterns of light as an encoding alphabet without worrying about how noisy the channel is,” says Professor Andrew Forbes, from the Wits School of Physics. “In fact, the only limit to how big the alphabet can be is how good the detectors are and not at all influenced by the noise of the channel.”
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