TITLE

Waveguide mode lasing via evanescent-wave-coupled gain from a thin cylindrical shell resonator

AUTHOR(S)
Hee-Jong Moon; Gun-Woo Park; Sang-Bum Lee; Kyungwon An; Jai-Hyung Lee
PUB. DATE
May 2004
SOURCE
Applied Physics Letters;5/31/2004, Vol. 84 Issue 22, p4547
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We reported waveguide mode lasing in a thin dielectric cylindrical shell made on the inner wall of a circular capillary, in which the laser oscillation was achieved through the evanescent-wave-coupled gain from the interior dye-doped liquid. Periodically peaked spectra of waveguide modes showed blueshift when the refractive index of interior liquid was decreased. We could quantitatively estimate the occupation factor of inner evanescent-wave portion from the dependence of blueshift, which allowed the spectral analysis on the effective cavity quality factor Q. Typical Q of the lasing waveguide modes was about 2×106. © 2004 American Institute of Physics.
ACCESSION #
13154667

 

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