Scientists demonstrate highly directional semiconductor lasers

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Graduate student Nanfang Yu and Professor Federico Capasso. Photo by Eliza GrinnellSEAS
Graduate student Nanfang Yu and Professor Federico Capasso. Photo by Eliza Grinnell/SEAS
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Applied scientists at Harvard collaborating with researchers at Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, highly directional semiconductor lasers with a much smaller beam divergence than conventional ones.


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