Abstract
We have introduced optically controlled two-stage cascaded surface plasmonic two-mode interference waveguide structure (having silicon core and silver upper and lower cladding) as universal gates. GaAsInP cladding is used in left and right side of core for optical pulse controlled cladding refractive index modulation which controls propagation of excited modes. The universal logic gate operations have been shown with this structure. These universal gates have potential in development of large-scale integrated optical processor due to its compactness and high fabrication tolerance.
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Gogoi, N., Sahu, P.P. All-Optical Surface Plasmonic Universal Logic Gate Devices. Plasmonics 11, 1537–1542 (2016). https://doi.org/10.1007/s11468-016-0207-4
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DOI: https://doi.org/10.1007/s11468-016-0207-4