19 February 2009 Improving resonant photonics devices with sol-gel coatings
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Abstract
We show that the stimulated Raman process impairs multiple applications of ultra high Q whispering gallery mode resonators and discuss possible ways of its suppression. One of the most promising ways is the coating of the resonators with films containing spectrally selective absorbers able to reduce optical quality factor at Raman Stokes frequencies and to leave without changes the quality factor of the modes of interest.
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Y. Jestin, Y. Jestin, A. B. Matsko, A. B. Matsko, A. A. Savchenkov, A. A. Savchenkov, L. Maleki, L. Maleki, } "Improving resonant photonics devices with sol-gel coatings", Proc. SPIE 7194, Laser Resonators and Beam Control XI, 71940O (19 February 2009); doi: 10.1117/12.811613; https://doi.org/10.1117/12.811613
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