Photo-induced changes in a hybrid amorphous chalcogenide/silica photonic crystal fiber

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    Photostructural changes in a hybrid photonic crystal fiber with chalcogenide nanofilms inside the inner surface of the cladding holes are experimentally demonstrated. The deposition of the amorphous chalcogenide glass films inside the silica capillaries of the fiber was made by infiltrating the nanocolloidal solution-based As25S75, while the photoinduced changes were performed by side illuminating the fiber near the bandgap edge of the formed glass nanofilms. The photoinduced effect of the chalcogenide glass directly red-shifts the transmission bandgap position of the fiber as high as similar to 20.6nm at around 1600 nm wavelength, while the maximum bandgap intensity change at similar to 1270nm was -3dB.
    Original languageEnglish
    Article number011114
    JournalApplied Physics Letters
    Issue number1
    Number of pages4
    Publication statusPublished - 2014


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