Journal
OPTICS EXPRESS
Volume 18, Issue 18, Pages 18633-18641Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.018633
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- Danish Council for Independent Research [09-072949]
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Amplification of surface plasmon polaritons in planar metal-dielectric structure through stimulated emission is investigated using leakage-radiation microscopy configuration. The gain medium is a thin polymethylmethacrylate layer doped with lead-sulphide nanocrystals emitting at near-infrared wavelengths. We demonstrate an optical gain of similar to 200 cm(-1) for the mode under consideration, which corresponds to similar to 32% compensation of SPP loss. (C) 2010 Optical Society of America
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