As fast as modern electronics have become, they could be much faster if their operations were based on light, rather than electricity. Fiber optic cables already transport information at the speed of light; to do computations on that information without translating it back to electric signals will require a host of new optical components.
Researchers at the John and Marcia Price College of Engineering have now developed such a device: one that can be adjusted on the fly to give light different degrees of circular polarization. Because information can be stored in this chiral property of light, the researchers’ device could serve as a multifunctional, reconfigurable component of an optical computing system.
Led by Weilu Gao, assistant professor in the Department of Electrical & C...
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