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Opt Express. 2009 Aug 31;17(18):16032-7. doi: 10.1364/OE.17.016032.

Modeling of the optical force between propagating lightwaves in parallel 3D waveguides.

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  • 1Department of Electrical Engineering, Yale University, New Haven, CT 06520, USA.

Abstract

We present a rigorous analysis of the optical gradient force between coupled single-mode waveguides in three dimensions. Using eigenmode expansion we determine the optical mode patterns in the coupled system. In contrast to previous work, the sign and amplitude of the optical force is found to vary along the waveguide with a characteristic beating length. Our results establish design principles for optomechanically tunable directional couplers.

PMID:
19724603
[PubMed]
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