Integrated Simulation Technique for Volume Holographic Memory Using Finite-Difference Time-Domain Method

概要

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We developed an integrated simulation technique for volume holographic memory. Volume holographic gratings were expressed as the permittivity distribution in the media. The distribution derived from the interference fringes of a reference beam and an object beam. These fringes were calculated using the angular spectrum of plane waves, instead of the diffraction integral formula. The finite-difference time-domain method was used to simulate the light wave propagation in the volume holographic gratings. The diffracted electromagnetic waves on the observation plane were obtained by the irradiation of the reference beam from the source plane. The simulation of an angularly multiplexed hologram was performed. The simulation results showed that two different data pages are reproduced separately at the same angle as those recorded in a numerical computation.
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2005-05-15