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Recent progress on silica-based photonic bandgap fiber technologies are reviewed aiming at a new wavelength region that includes the visible, ultraviolet, and infrared regions. Possible optical active devices at hereto unused wavelengths are discussed.
We observed photoluminescence (PL) spectra in 735 and 535 nm region from CdTe and CdSe colloidal quantum dots (QDs) filling in the air hole of the photonic bandgap fiber (PBF). We show the PL of these QDs is efficiently transmitted in the PBF.
Photoluminescence is observed from PbSe nano-crystal quantum dots at 1550 nm wavelength filling in the core of a 1 m long photonic bandgap fiber. Photoluminescence at the peak wavelength of 1554 nm is observed with 1535 nm, 10 mW pumping.
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