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We report on the development of a planar evanescent-field coupler for calcium fluoride (CaF2) whispering gallery mode resonators using polymer rib waveguides and demonstrate 80% coupling efficiency with resonators characterized… Click to show full abstract
We report on the development of a planar evanescent-field coupler for calcium fluoride (CaF2) whispering gallery mode resonators using polymer rib waveguides and demonstrate 80% coupling efficiency with resonators characterized with the loaded quality factors exceeding 108. The coupling efficiency is limited due to emission of light from the resonator mode to the unconfined modes of the waveguide.
Keywords:
polymer waveguide;
waveguide couplers;
couplers fluorite;
fluorite microresonators
Journal Title: IEEE Photonics Technology Letters
Year Published: 2017
Link to full text (if available)
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Journal Title: IEEE Photonics Technology Letters
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!