Abstract
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.
© 2009 IEEE
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