One-dimensional random lasing in a single organic nanofiber |
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Authors: | Quochi Francesco Cordella Fabrizio Mura Andrea Bongiovanni Giovanni Balzer Frank Rubahn Horst-Günter |
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Affiliation: | Dipartimento di Fisica, Università di Cagliari, I-09042 Monserrato (CA), Italy. francesco.quochi@dsf.unica.it |
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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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