© 2022 EPFL - At EPFL, a team of scientists created and observed a new physical phenomenon on an optical chip using modified lights. Technology is increasingly moving towards miniaturization and energy efficiency. This also applies to electronic chips. Light, and optics more broadly, are functional in making compact and portable chips. Researchers from the Photonic Systems Laboratory, headed by Professor Camille Brès, have successfully applied a novel principle for introducing second-order optical nonlinearity into silicon nitride chips. A first reported Photonics. Different colors of light "When using a green laser pointer for example, the laser itself is not green because these are particularly difficult to manufacture.
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