Cylindrical microcavity laser based on the evanescent-wave-coupled gain.

@article{Moon2000CylindricalML,
  title={Cylindrical microcavity laser based on the evanescent-wave-coupled gain.},
  author={Hyun Jeong Moon and Y T Chough and Kang An},
  journal={Physical review letters},
  year={2000},
  volume={85 15},
  pages={3161-4}
}
A microcavity laser based on the gain only in the evanescent field region of whispering gallery modes has been demonstrated. A cylindrical microcavity of 125 microm diam was surrounded by rhodamine 6G dye molecules in an ethanol solution of lower refractive index such that whispering gallery modes of the microcavity underwent laser oscillation when the dye molecules in the evanescent field region outside the cavity were excited by a second harmonic of a Nd:YAG laser. For particular pumping… CONTINUE READING
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