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Enhanced photoluminescence emission from two-dimensional silicon photonic crystal nanocavities

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Hauke, N. ; Zabel, T. ; Müller, K. ; Kaniber, M. ; Laucht, A. ; Bougeard, Dominique ; Abstreiter, G. ; Finley, J. J. ; Arakawa, Y.
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Date of publication of this fulltext: 27 Feb 2013 14:05


We present a temperature-dependent photoluminescence study of silicon optical nanocavities formed by introducing point defects into two-dimensional photonic crystals. In addition to the prominent TO-phonon-assisted transition from crystalline silicon at similar to 1.10 eV, we observe a broad defect band luminescence from similar to 1.05 to similar to 1.09 eV. Spatially resolved spectroscopy ...


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