Terahertz and Infrared Surface Wave Beams and Pulses on Gyrotropic,Nonlinear and Metamaterial Interfaces |
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Authors: | A P Sukhorukov D O Ignatyeva A N Kalish |
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Affiliation: | (1) M.V. Lomonosov Moscow State University, Leninskie Gori, GSP-1, building 2, Faculty of Physics, Moscow, 119991, Russia; |
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Abstract: | This work is devoted to theoretical study of surface plasmon polariton propagation on metal or metamaterial – dielectric interfaces
where media can possess optical or magnetooptical activity or cubic nonlinearity. On the interface of gyrotropic media surface
wave changes its polarization and profile as well as in case of interface of media with cubic nonlinearity. Surface wave propagation
constant can be modified by magnetization leading to magnetooptical intensity effect. The properties of plasmons in gratings
are also considered including excitation, dispersion and existence of various types of modes. The theory of surface wave and
pulsed beam diffraction in gyrotropic, nonlinear and layered media is developed. We also present waveguide for surface waves
based on layered metamaterial – dielectric interfaces suppressing diffraction spreading. |
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