A new microcavity design is proposed and structures are realized with a two-dimensional photonic-crystal slab. The cavity consists of seven defect holes that encompass a hexagon and is designed to reduce vertical light leakage. From a direct transmission measurement, a Q value of 816+/-30 is achieved at lambda =1.55 mum . This high- Q cavity will permit the realistic realization of spontaneous-emission modification and on-off optical switches.
CITATION STYLE
Lin, S. Y., Chow, E., Johnson, S. G., & Joannopoulos, J. D. (2001). Direct measurement of the quality factor in a two-dimensional photonic-crystal microcavity. Optics Letters, 26(23), 1903. https://doi.org/10.1364/ol.26.001903
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