Researchers at The University of Osaka, in collaboration with ULVAC, Inc. and Ritsumeikan University, have developed a new LED structure that generates circularly polarized light from a single chip.
They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...
A new semipolar InGaN LED with an integrated metasurface produces circularly polarized light at 68% conversion efficiency, surpassing the 50% theoretical limit. By combining a semipolar InGaN ...
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