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Optical Logic OR-AND-NOT and NOR Gates in Waveguides Consisting of Nonlinear Material
Yono Hadi PRAMONO Masahiro GESHIRO Toshiaki KITAMURA Shinnosuke SAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2000/11/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
nonlinear waveguide, optical logic, finite difference beam propagation method,
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Optical logic gates for OR, AND, NOT, and NOR operations in waveguides consisting of nonlinear material are numerically investigated by means of FD-BPM (Finite Difference Beam Propagation Method). The proposed devices are designed utilizing the self-routing characteristics of nonlinear X-crossing structures when they are operated with one input beam or two. The numerical simulations show that the proposed structures can favorably be applied to optical data processing and computing as fundamental logic gates.