Electromagnetic energy transport via linear chains of silver nanoparticles
Optics Letters, Vol. 23, Issue 17, pp. 1331-1333 (1998)
http://dx.doi.org/10.1364/OL.23.001331
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Abstract
We propose the idea of a subwavelength-sized light guide represented by a linear chain of spherical metal nanoparticles in which light is transmitted by electrodynamic interparticle coupling. The light-transport properties of this system are investigated by use of model calculations based on generalized Mie theory. Considering Ag particles of 50-nm diameter, we find optimum guiding conditions for an interparticle spacing of 25 nm, and a corresponding 1/e signal-damping length of 900 nm is evaluated. The proposed principle of optical energy transport may be useful for subwavelength transmission lines within integrated optics circuits and for near-field optical microscopy.
© 1998 Optical Society of America
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OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.2790) Integrated optics : Guided waves
(260.3910) Physical optics : Metal optics
(350.3950) Other areas of optics : Micro-optics
(350.4990) Other areas of optics : Particles
Citation
M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, "Electromagnetic energy transport via linear chains of silver nanoparticles," Opt. Lett. 23, 1331-1333 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-17-1331
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