Negative group velocities in metal-film optical waveguides

Negative group velocities in metal-film optical waveguides

It is demonstrated that the group velocity of the frustrated transverse magnetic modes in an optical waveguide including a metal is negative when the power flow inside the metal is larger than the power flow inside the dielectric medium, while the phase velocity remains positive. The energy and the...

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Veröffentlicht in:Optics communications 1997-04, Vol.137 (1), p.41-45
Hauptverfasser: Tournois, Pierre, Laude, Vincent
Format: Artikel
Sprache:eng
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Metal-film optical waveguides
Optical waveguides
Optics
Physics
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container_title Optics communications
container_volume 137
creator Tournois, Pierre
Laude, Vincent
description It is demonstrated that the group velocity of the frustrated transverse magnetic modes in an optical waveguide including a metal is negative when the power flow inside the metal is larger than the power flow inside the dielectric medium, while the phase velocity remains positive. The energy and the phase are then contrapropagating.
doi_str_mv 10.1016/S0030-4018(96)00767-5
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ispartof Optics communications, 1997-04, Vol.137 (1), p.41-45
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1873-0310
language eng
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source ScienceDirect Journals (5 years ago - present)
subjects Metal-film optical waveguides
Optical waveguides
Optics
Physics
title Negative group velocities in metal-film optical waveguides
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