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Herein, a numerical and experimental study of the interaction of a directional beam of light with metallic surfaces with two periodic components is presented. The periods of these two components are chosen in such a way that, through one of them, light is coupled into surface plasmon polaritons (SPPs) and, through the other one, the SPPs are decoupled as a propagating beam in another direction. This...
By using the finite-difference time-domain method we have investigated the propagation of a surface plasmon polariton on a metallic grating consisting of N equally spaced rectangular grooves, each with the same width but with varying depths. We find that the transmissivity of the surface plasmon polariton, and the power radiated into the vacuum, as functions of its frequency consist of N equally spaced...
We present the results of the experimental and theoretical studies of the random laser based on an Er/Ge co-doped single-mode fiber with randomly spaced Bragg gratings.
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