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Optomechanical Self-Channeling of Light in a Suspended Planar Dual-Nanoweb Waveguide (Articolo in rivista)

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Optomechanical Self-Channeling of Light in a Suspended Planar Dual-Nanoweb Waveguide (Articolo in rivista) (literal)

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Alternative label

A. Butsch (1); C. Conti (2,1); F. Biancalana(1); P. St. J. Russell (1) (2012)
Optomechanical Self-Channeling of Light in a Suspended Planar Dual-Nanoweb Waveguide
in Physical review letters (Print); American Physical Society (APS), College Pk (Stati Uniti d'America)
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A. Butsch (1); C. Conti (2,1); F. Biancalana(1); P. St. J. Russell (1) (literal)

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See accompanying Physics Focus: A New Way to Channel Light Published March 2, 2012 | Physics 5, 27 (2012) | DOI: 10.1103/Physics.5.27 http://physics.aps.org/articles/v5/27 (literal)

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1 Max Planck Institute for the Science of Light, Guenther-Scharowsky-Straße 1, 91058 Erlangen, Germany 2 Department of Physics and Institute for Complex Systems-CNR, Sapienza University, Piazzale A. Moro 2, 00185 Rome, Italy (literal)

Titolo

Optomechanical Self-Channeling of Light in a Suspended Planar Dual-Nanoweb Waveguide (literal)

Abstract

It is shown that optomechanical forces can cause nonlinear self-channeling of light in a planar dual-slab waveguide. A system of two parallel silica nanowebs, spaced similar to 100 nm and supported inside a fiber capillary, is studied theoretically and an iterative scheme developed to analyze its nonlinear optomechanical properties. Steady-state field distributions and mechanical deformation profiles are obtained, demonstrating that self-channeling is possible in realistic structures at launched powers as low as a few mW. The differential optical nonlinearity of the self-channeled mode can be as much as 10 x 10(6) times higher than the corresponding electronic Kerr nonlinearity. It is also intrinsically broadband, does not utilize resonant effects, can be viewed as a consequence of the extreme nonlocality of the mechanical response, and in fact is a notable example of a so-called accessible soliton. (literal)

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