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Lasing Action in Dye Doped Polymer Nanofiber Knot Resonator

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3 Author(s)
Qinghai Song ; Dept. of Opt. Sci. & Technol., Fudan Univ., Shanghai, China ; Liu, Liying ; Xu, Lei

Here we demonstrated laser emission from a dye doped polymer nanofiber knot ring resonator. Dye doped polymer nanofiber was fabricated by flame assisted general fiber drawing technique. After bending the fiber to a knot ring resonator, lasing action with 0.07-nm linewidth was observed. From the relation between mode spacing and diameter of ring cavity, the lasing action was considered to be formed by whispering gallery modes.

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Lightwave Technology, Journal of  (Volume:27 ,  Issue: 19 )