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Liu, Y. (author), Salemink, H.W.M. (author)We report the results of a study of an optical sensor based on a channel-drop technique with two cascaded cavities in photonic-crystal slabs. Quality factors and intensities of the resonant modes of the sensor were analyzed with three-dimensional simulations. With the introduction of a reflector in the bus-channel and by control of the coupling...journal article 2015
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Kicken, H.H.J.E. (author), Barbu, I. (author), Van der Heijden, R.W. (author), Karouta, F. (author), Nötzel, R. (author), Van der Drift, E.W.J.M. (author), Salemink, H.W.M. (author)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...journal article 2009