Del'Haye, P.
, Papp, S.
and Diddams, S.
(2013),
Laser-Machined Ultra-High-Q Microrod Resonators for Nonlinear Optics, Applied Physics Letters
(Accessed May 2, 2025)
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Laser-Machined Ultra-High-Q Microrod Resonators for Nonlinear Optics
Published
Author(s)
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Abstract
Optical whispering-gallery microresonators are useful tools in microphotonics, and non-linear optics at very low threshold powers. Here, we present details about the fabrication of ultra-high-Q whispering-gallery-mode (WGM) resonators made by CO2-laser lathe machining of fused-quartz rods. The resonators can be fabricated in less than one minute and the attained optical quality factors exceed Q=1x109. Demonstrated resonator diameters are in the range between 170 micron and 8 mm (free spectral ranges between 390 GHz and 8 GHz). Using these microresonators, a variety of optical nonlinearities are observed, including Raman scattering, Brillouin scattering and four-wave mixing.Citation
Applied Physics Letters
Volume
102
Pub Type
Journals
Keywords
Fused Silica, Laser Machining, Microresonator, Nonlinear Optics
Citation
Issues
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Created June 7, 2013, Updated February 19, 2017