Evanescent-wave bonding between optical waveguides

Forces arising from overlap between the guided waves of parallel, microphotonic waveguides are calculated. Both attractive and repulsive forces, determined by the choice of relative input phase, are found. Using realistic parameters for a silicon-on-insulator material system, we estimate that the fo...

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Bibliographic Details
Published in:Optics letters 2005-11, Vol.30 (22), p.3042-3044
Main Authors: POVINELLI, Michelle L, LONCAR, Marko, IBANESCU, Mihai, SMYTHE, Elizabeth J, JOHNSON, Steven G, CAPASSO, Federico, JOANNOPOULOS, John D
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
Optical waveguides and couplers
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Summary:Forces arising from overlap between the guided waves of parallel, microphotonic waveguides are calculated. Both attractive and repulsive forces, determined by the choice of relative input phase, are found. Using realistic parameters for a silicon-on-insulator material system, we estimate that the forces are large enough to cause observable displacements. Our results illustrate the potential for a broader class of optically tunable microphotonic devices and microstructured artificial materials.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.30.003042