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

W. H.P. Pernice, Mo Li, King Yan Fong, Hong X. Tang

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)16032-16037
Number of pages6
JournalOptics Express
Volume17
Issue number18
DOIs
StatePublished - Aug 31 2009

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