First ultrafast optical processor using polarization unveiled

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According to a paper published in Science Advances recently, according to Science and Technology Daily, researchers at the University of Oxford have developed a device that uses the polarization of light to maximize information storage density. . The new study deploys parallel processing using multiple polarization channels, increasing the computational density by orders of magnitude over conventional electronic chips.

For more than a decade, researchers at the University of Oxford have been working on the use of light as a means of computing. The team developed a HAD (Hybrid Active Dielectric) nanowire that uses a hybrid glass material that has switchable properties when illuminated by a pulse of light, with each nanowire showing a specific polarization orientation. The selective response of , so the information can be processed simultaneously using multiple polarizations in different directions. Using this concept, the researchers developed the first photonic computing processor that exploits the polarization of light. Photonic computations are carried out through multiple polarization channels, and nanowires are modulated by nanosecond light pulses, enabling faster computation and orders of magnitude higher computational density than conventional electronic chips.

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