Photonic crystal microcavities have been less able to trap light than their microsphere and microdisk counterparts. A new design concept shows how to stop the leaks.
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Krauss, T. Cavities without leaks. Nature Mater 2, 777–778 (2003). https://doi.org/10.1038/nmat1026
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DOI: https://doi.org/10.1038/nmat1026
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