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Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic,...
Date Time New Insight into Nonlinear Optical Resonators Unlocks Door to Numerous Potential Applications Optical resonators, which circulate and confine light (for instance in lasers), are currently used in a variety of applications of all sizes-from pinpoint light sources smaller than the width of a human hair to kilometer-scale sensing devices such as the Laser Interferometer Gravitational-wave Observatory (LIGO) experiment that detects gravitational waves. Devices known as optical parametric oscillators are among the widely used nonlinear resonators in optics; they are “nonlinear” in th...