Photonic crystal memory type all-optical “AOR” logic gate
AssigneeZhengbiao Ouyang
InventorsZhengbiao Ouyang, Quanqiang Yu
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Abstract
The present invention discloses a photonic crystal memory type all-optical “AOR” logic gate, and including photonic crystal structure; the photonic crystal structure includes two input ports, an output port and an idle port; a first input end and a second input end of the photonic crystal structure are respectively connected with a signal A and a signal B. The present invention has the advantages in high contrast of high and low logic output, high in computing speed, strong in anti-interference capability, and ease of integration with other optical logic elements.
Claims12
A photonic crystal (PhC) memory type all-optical “AND OR (AOR)” logic gate, comprising:
- a PhC structuret;
- and further comprising:
- two input port, an output port and an idle port;
- a first input end and a second input end of said PhC structure are respectively connected with a signal A and a signal B;
- the PhC structure is a two-dimensional (2D) PhC cross-waveguide nonlinear cavity, twelve rectangular high-refractive-index linear-dielectric pillars and a square nonlinear-dielectric pillar are arranged in a center of the 2D PhC cross-waveguide nonlinear cavity in a form of a quasi-one-dimensional (quasi-1D) PhC along longitudinal direction in vertical waveguide and transverse direction in horizontal waveguide.
Dependencies are inferred from the claim text.