Temporal Coupled-Mode Theory for Fano Resonance in Light Scattering by a Single Obstacle
نویسندگان
چکیده
منابع مشابه
Temporal Coupled-Mode Theory for Fano Resonance in Light Scattering by a Single Obstacle†
We present a theory for Fano interference in light scattering by individual obstacle, based on a temporal coupled-mode formalism. This theory is applicable for obstacles that are much smaller than the incident wavelength, or for systems with two-dimensional cylindrical or three-dimensional spherical symmetry. We show that for each angle momentum channel, the Fano interference effect can be mode...
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The conditions for observing Fano resonances at elastic light scattering by a single finite-size obstacle are discussed. General arguments are illustrated by consideration of the scattering by a small (relative to the incident light wavelength) spherical obstacle based upon the exact Mie solution of the diffraction problem. The most attention is paid to recently discovered anomalous scattering....
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Based on fundamental properties of light scattering by a particle we reveal the existence of the ultimate upper limit for the light absorption by any partial mode. First, we obtain this result for scattering of a plane wave by a symmetric spherical or infinite cylindrical structure of an arbitrary radius. Then, we generalize it to an arbitrary finite obstacle. Importantly, the result is true fo...
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ژورنال
عنوان ژورنال: The Journal of Physical Chemistry C
سال: 2009
ISSN: 1932-7447,1932-7455
DOI: 10.1021/jp9089722