Yale scientists have uses sound waves to amplify light in a new type of silicon laser for photonic ICs, side-stepping the problem of silicon’s indirect bandgap. “Silicon’s intrinsic properties, although very useful for many chip-scale optical technologies, make it extremely difficult to generate laser light using electrical current,” said Yale scientist Nils Otterstrom. “It’s a ...
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/sound-wave-coupling-enables-silicon-laser-2018-06/
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