Design and experimental demonstration of optomechanical paddle nanocavities

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1063/1.4936966
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Name affiliation
  1. National Research Council Canada. Security and Disruptive Technologies
FormatText
TypeArticle
Journal titleApplied Physics Letters
ISSN0003-6951
1077-3118
Volume107
Issue23
Pages231107-1–231107-5
Abstract
We present the design, fabrication, and initial characterization of a paddle nanocavity consisting of a suspended sub-picogram nanomechanical resonator optomechanically coupled to a photonic crystal nanocavity. The optical and mechanical properties of the paddle nanocavity can be systematically designed and optimized, and the key characteristics including mechanical frequency can be easily tailored. Measurements under ambient conditions of a silicon paddle nanocavity demonstrate an optical mode with a quality factor Q o ∼6000 Qo∼6000 near 1550 nm and optomechanical coupling to several mechanical resonances with frequencies ω m /2π∼ 12−64 ωm/2π∼ 12−64  MHz, effective masses meff ∼350−650 meff∼350−650 fg, and mechanical quality factors Q m ∼ 44−327 Qm∼ 44−327. Paddle nanocavities are promising for optomechanical sensing and nonlinear optomechanics experiments.
Publication date
LanguageEnglish
Peer reviewedYes
NPARC number23000823
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Record identifier5076d9c0-b8b7-4317-aede-58d0ab0bfc9d
Record created2016-10-17
Record modified2016-10-17
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