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Triangular and hexagonal high Q-factor 2-D photonic bandgap cavities on III-V suspended membranes

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7 Author(s)
Pottier, P. ; CNRS, Ecole Centrale de Lyon, Ecully, France ; Seassal, C. ; Letartre, X. ; Leclercq, J.L.
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We demonstrate InP-based triangular and hexagonal two-dimensional (2-D) planar photonic bandgap (PGB) crystal-based microcavities, positioned on a suspended membrane. Photoluminescence spectra of the structure clearly show well-resolved cavity modes, whose structure depends on the cavity shape. Q factors from 200 up to at least 900 are derived

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Lightwave Technology, Journal of  (Volume:17 ,  Issue: 11 )