4.6 Article

GHz optomechanical resonators with high mechanical Q factor in air

Journal

OPTICS EXPRESS
Volume 19, Issue 22, Pages 22316-22321

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.19.022316

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Funding

  1. DARPA/MTO
  2. National Science Foundation
  3. Alexander-von-Humboldt Foundation
  4. Packard Fellowship in Science and Engineering
  5. Div Of Electrical, Commun & Cyber Sys
  6. Directorate For Engineering [0846919] Funding Source: National Science Foundation

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We demonstrate wheel-shaped silicon optomechanical resonators for resonant operation in ambient air. The high finesse of optical whispering gallery modes (loaded optical Q factor above 500,000) allows for efficient transduction of the wheel resonator's mechanical radial contour modes of frequency up to 1.35 GHz with high mechanical Q factor around 4,000 in air. (C)2011 Optical Society of America

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