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Pratt School of Engineering
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Publications [#179203] of Tomoyuki Yoshie

Papers Published

  1. L. Tang and T. Yoshie, High-Q hybrid 3D-2D slab-3D photonic crystal microcavity, Optics Letters, vol. 35 (2010), pp. 3144-3146 [doi]
    (last updated on 2010/09/15)

    The radiation loss in the escaping light cone with a two-dimensional (2D) photonic crystal slab microcavity can be suppressed by means of cladding the low-Q slab microcavity by three-dimensional woodpile photonic crystals with the complete bandgap when the resonance frequency is located inside the complete bandgap. It is confirmed that the hybrid microcavity based on a low-Q, single-defect photonic crystal slab microcavity shows improvement of the Q factor without affecting the mode volume and modal frequency. Whereas 2D slab microcavities exhibit Q saturation with an increase in the number of layers, for the analyzed hybrid microcavities with a small gap between the slab and woodpiles, the Q factor does not saturate.

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