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File: Exciton-like electromagnetic excitations in non-ideal microcavity supercrystals

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Vladimir Rumyantsev, Stanislav Fedorov, Kostyantyn Gumennyk, Marina Sychanova, Alexey Kavokin


We study localized photonic excitations in a quasi-two-dimensional non-ideal binary microcavity lattice with use of the virtual crystal approximation. The effect of point defects (vacancies) on the excitation spectrum is investigated by numerical modelling. We obtain the dispersion and the energy gap of the electromagnetic excitations which may be considered as Frenkel exciton-like quasiparticles and analyze the dependence of their density of states on the defect concentrations in a microcavity supercrystal.

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