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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 21 — Oct. 10, 2011
  • pp: 20405–20419

Analysis of the optical force in the Micro Ring Resonator

Avigdor Einat and Uriel Levy  »View Author Affiliations

Optics Express, Vol. 19, Issue 21, pp. 20405-20419 (2011)

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We study the optical force in a micro ring resonator coupled to a bus waveguide, using the coupled mode theory and a numerical Finite Element Method. We show that the resonance enhancement of the force is diminished by the opposing contributions of the attractive and the repulsive forces related to the symmetric and the anti symmetric modes in the coupling region. We show that this limiting factor can be removed by adding asymmetry to the system, e.g. by modifying one of the waveguides. Furthermore, we study for the first time a combined system in which the micro ring resonator is coupled to a one dimensional photonic crystal waveguide. This modified geometry allows further enhancement of the optical force via the combination of optical resonances and slow light effect.

© 2011 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(120.4880) Instrumentation, measurement, and metrology : Optomechanics

ToC Category:
Integrated Optics

Original Manuscript: June 28, 2011
Revised Manuscript: September 2, 2011
Manuscript Accepted: September 5, 2011
Published: October 3, 2011

Avigdor Einat and Uriel Levy, "Analysis of the optical force in the Micro Ring Resonator," Opt. Express 19, 20405-20419 (2011)

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