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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 17 — Aug. 15, 2011
  • pp: 15864–15878

Tuning a racetrack ring resonator by an integrated dielectric MEMS cantilever

S.M.C. Abdulla, L.J. Kauppinen, M. Dijkstra, M.J. de Boer, E. Berenschot, H.V. Jansen, R.M. de Ridder, and G.J.M. Krijnen  »View Author Affiliations

Optics Express, Vol. 19, Issue 17, pp. 15864-15878 (2011)

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The principle, fabrication and characterization of a dielectric MEMS cantilever located a few 100 nm above a racetrack ring resonator are presented. After fabrication of the resonators on silicon-on-insulator (SOI) wafers in a foundry process, the cantilevers were integrated by surface micromachining techniques. Off-state deflections of the cantilevers have been optimized to appropriately position them near the evanescent field of the resonator. Using electrostatic actuation, moving the cantilevers into this evanescent field, the propagation properties of the ring waveguide are modulated. We demonstrate 122 pm tuning of the resonance wavelength of the optical ring resonator (in the optical C-band) without change of the optical quality factor, on application of 9 V to a 40 µm long cantilever. This compact integrated device can be used for tuning/switching a specific wavelength, with very little energy for operation and negligible cross talk with surrounding devices.

© 2011 OSA

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(130.3120) Integrated optics : Integrated optics devices
(220.4610) Optical design and fabrication : Optical fabrication
(230.4685) Optical devices : Optical microelectromechanical devices
(130.4815) Integrated optics : Optical switching devices
(070.5753) Fourier optics and signal processing : Resonators
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

Original Manuscript: May 26, 2011
Revised Manuscript: July 20, 2011
Manuscript Accepted: July 20, 2011
Published: August 4, 2011

S.M.C. Abdulla, L.J. Kauppinen, M. Dijkstra, M.J. de Boer, E. Berenschot, H.V. Jansen, R.M. de Ridder, and G.J.M. Krijnen, "Tuning a racetrack ring resonator by an integrated dielectric MEMS cantilever," Opt. Express 19, 15864-15878 (2011)

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