Journal
OPTICS EXPRESS
Volume 19, Issue 11, Pages 10102-10110Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.010102
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Funding
- National Science Foundation [0846143]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0846143] Funding Source: National Science Foundation
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We use an analytical method based on the perturbation of effective index at fixed frequency to calculate optical forces between silicon waveguides. We use the method to investigate the mechanical Kerr effect in a coupled-waveguide system with bipolar forces. We find that a positive mechanical Kerr coefficient results from either an attractive or repulsive force. An enhanced mechanical Kerr coefficient several orders of magnitude larger than the intrinsic Kerr coefficient is obtained in waveguides for which the optical mode approaches the air light line, given appropriate design of the waveguide dimensions. (C) 2011 Optical Society of America
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