4.8 Article

Active nanowaveguides in polymer doped with CdSe-ZnS core-shell quantum dots

期刊

NANOSCALE
卷 4, 期 19, 页码 5856-5859

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ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr31740k

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  1. National Natural Science Foundation of China [11274395, 10974261]

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We report a strategy for the fabrication of active nanowaveguides (nanoWGs) in polymer doped with CdSe-ZnS core-shell quantum dots (QDs). The nanoWGs, with an absorption coefficient of 247 cm(-1) and a self-absorption coefficient of 77 cm(-1), were fabricated by a direct drawing method. The characterization indicates that the nanoWGs, in which the QDs act as nanoemitters under an optical pump, exhibit high photoluminescence efficiency and high photo-bleaching resistance. The QD-doped polymer nanoWGs would be a promising active waveguide for miniaturized nanophotonic integration.

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