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Proceedings Paper

Strong optical interactions between particles in a waveguide
Author(s): Juan Jose Saenz; Raquel Gomez-Medina
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Paper Abstract

Intense optical fields can induce significant forces "between" particles. In analogy with atomic physics, the resonant modes of a single particle play the role of electronic orbitals and, like their electronic counterparts, could lead to bonding and antibonding interactions between neighboring particles. In absence of absorbing or "Mie"-like resonances, light forces on small particles are, in general, very small. However, as we will show, when the fields are confined in quasi-one-dimensional waveguide structures, the coupling of the scalar dipolar field with the waveguide modes leads to a resonant total reflection close to the threshold of a new propagating mode. These resonant modes are shown to lead to unusual strong optical interactions between particles.

Paper Details

Date Published: 7 July 2005
PDF: 8 pages
Proc. SPIE 5840, Photonic Materials, Devices, and Applications, (7 July 2005);
Show Author Affiliations
Juan Jose Saenz, Univ. Autonoma de Madrid (Spain)
Raquel Gomez-Medina, Donostia Internacional Physics Ctr. (Spain)

Published in SPIE Proceedings Vol. 5840:
Photonic Materials, Devices, and Applications
Goncal Badenes; Derek Abbott; Ali Serpenguzel, Editor(s)

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