Arena, A. and Patanè, S. A. and Saitta, G. and Savasta, Salvatore and Girlanda, Raffaello and Rinaldi, R. (1998) Silicon-based organic-inorganic microcavity and its dispersion curve from angle-resolved photoluminescence. Applied Physics Letters, 72 (20). pp. 2571-2573.
We report an experimental study of a planar organic-inorganic microcavity consisting of a porous silicon distributed Bragg reflector, a single layer of acridina orange as active material and a top aluminum reflector. By tuning the cavity resonance energy around the maximum of the organic material photoluminescence, we found an intense emission and a spectral narrowing of the emission band to about 45 meV. The angle-resolved photoluminescence spectra enable us to determine the microcavity dispersion curve. The very good agreement with the theoretical dispersion provides a precise determination of the refractive index of the organic material.
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