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Authors: J. Roels, B. Maes, W. Bogaerts, R. Baets, D. Van Thourhout
Title: Parametric instability of an integrated micromechanical oscillator by means of active optomechanical feedback
Format: International Journal
Publication date: 6/2011
Journal/Conference/Book: Optics Express
Editor/Publisher: OSA, 
Volume(Issue): 19(14) p.13081-13088
Internal Reference: [N-1148]
Download: Download this Publication (3.4MB) (3.4MB)

Abstract

Mass sensing and time keeping applications require high frequency integrated micromechanical oscillators. To overcome the increasing mechanical stiffness of these structures sensitive optical vibration detection
and efficient actuation is required. Therefore we have implemented an active feedback system, where the feedback signal is provided by the optical gradient force that is present between nanophotonic waveguides on a silicon-on-insulator chip. We found that access to the parametric instability regime can be easily controlled by tuning the wavelength.

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