Università degli Studi di Cagliari
One-Dimensional Random Lasing in a Single Organic Nanofiber
QUOCHI, FRANCESCO;MURA, ANTONIO ANDREA;BONGIOVANNI, GIOVANNI LUIGI CARLO;
2005-01-01
Abstract
One-dimensional light amplification in individual p-sexiphenyl nanofibers is investigated. The influence of fiber morphology on light propagation properties is studied via optical and atomic force microscopy. Isolated nanofibers are shown to yield low-threshold random laser emission in the deep blue. Model calculations of coherent light propagation in one-dimensional random media qualitatively reproduce the experimental results. Implications for photonic nanosensors are briefly discussed.
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