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Numerical Simulation of Bull's Eye Grating Using COMSOL Multiphysics® Software
Publié en 2016
Plasmonic gratings like bull's eye can localize E field due to excitation of surface plasmons and when integrated with Ge-on-Si photodetector they can help in fabrication of ultra small photodiodes with high sensitivity. We have numerically carried out a frequency analysis for the grating using COMSOL Multiphysics® software with plane wave excitation at normal incidence. We have used the frequency domain study under the radio frequency module of the 2D axissymetric model of COMSOL Multiphysics® software replicating the annular nature of the grating. The frequency response for 0.8
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