Shelykh, I.A., Kaliteevskii, M., Kavokin, A.V., Brand, S., Abram, R.A., Chamberlain, J.M. and Malpuech, G.
Interface photonic states at the boundary between a metal and a dielectric Bragg mirror.
physica status solidi (a), 204, (2), . (doi:10.1002/pssa.200673231).
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Tamm states of light are localized interface modes inside the light-cone. In contrast to the surface modes they can have a zero in-plane wave-vector. We show that they can be formed in both TE and TM polarizations at the boundary between the isotropic media with a negative dielectric constant (e.g. a metal below the plasmon resonance) and a periodical dielectric Bragg structure. It is shown that the order of layers in Bragg structure is crucial for the appearance of the Tamm states. The in-plane dispersion of the interface states is parabolic with effective masses slightly different for TE and TM polarizations, both of the order of 10-5 of the free electron mass.
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