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Fano resonances at light scattering by an obstacle | Michael I. Tribelsky
; Sergej Flach
; Andrey E. Miroshnichenko
; Andrey Gorbach
; Yuri S. Kivshar
; | Date: |
8 Aug 2007 | Abstract: | It is shown that elastic resonance scattering of light by a finite-size
obstacle with weak dissipation is analogous to quantum scattering by a
potential with quasi-discrete levels and exhibits Fano resonances. Localized
plasmons (polaritons), exited in the obstacle by the incident light, are
equivalent to the quasi-discrete levels, while the radiative decay of these
excitations plays exactly the same role as tunnelling from the quasi-discrete
levels for the quantum problem. Mie scattering of light by a spherical particle
and an exactly solvable discrete model with nonlocal coupling simulating wave
scattering in systems with reduced spatial dimensionality are discussed as
examples. | Source: | arXiv, 0708.1090 | Services: | Forum | Review | PDF | Favorites |
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