Wavelength-sized, tunable nanocavity in deeply etched InP/InGaAsP/InP photonic crystals

H.H.J.E. Kicken, I. Barbu, R.W. Heijden, van der, F. Karouta, R. Nötzel, E.W.J.M. Drift, van der, H.W.M. Salemink

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Wavelength-sized point defect cavities coupled to access waveguides are reported for deeply etched InP/InGaAsP/InP two-dimensional photonic crystals. The observed quality factor of 60 is comparable to those found for one-row defect Fabry–Perot cavities and for simple point defect cavities in membranes. The quality factor was changed by varying the number of rows of holes. Upon infiltration of the holes with liquid crystal, frequency tuning was demonstrated.
Original languageEnglish
Pages (from-to)2207-2209
Number of pages3
JournalOptics Letters
Issue number14
Publication statusPublished - 2009


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