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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 3 — Feb. 2, 2009
  • pp: 1806–1816

Theoretical investigation of the transverse optical force between a silicon nanowire waveguide and a substrate

W.H.P. Pernice, Mo Li, and H.X. Tang  »View Author Affiliations

Optics Express, Vol. 17, Issue 3, pp. 1806-1816 (2009)

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We present a study of transverse optical forces arising in a freestanding silicon nanowire waveguide. A theoretical framework is provided for the calculation of the optical forces existing between a waveguide and a dielectric substrate. The force is evaluated using a numerical procedure based on finite-element simulations. In addition, an analytical formalism is developed which allows for a simple approximate analysis of the problem. We find that in this configuration optical forces on the order of pN can be obtained, sufficient to actuate nano-mechanical devices.

© 2009 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(230.4685) Optical devices : Optical microelectromechanical devices

ToC Category:
Physical Optics

Original Manuscript: October 28, 2008
Revised Manuscript: January 26, 2009
Manuscript Accepted: January 27, 2009
Published: January 29, 2009

W. H. P. Pernice, Mo Li, and H. X. Tang, "Theoretical investigation of the transverse optical force between a silicon nanowire waveguide and a substrate," Opt. Express 17, 1806-1816 (2009)

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