All-optical logic gate device based on nanowire waveguides of multislot silicon substrate
A nanowire, optical logic technology, applied in the field of integrated optics, can solve the problems of difficult to achieve ultra-high-speed all-optical logic operation, impractical design of all-optical logic gates, weak nonlinear effects of silicon-based materials, etc. Optical power requirements, the realization of optical signal processing, the effect of cheap structural materials
Inactive Publication Date: 2012-07-04
SOUTHEAST UNIV
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The invention discloses an all-optical logic gate device based on nanowire waveguides of a multislot silicon substrate, which is characterized by comprising two input waveguides, two output waveguides, first mode converters (51), a nonlinear directional coupler (6) and second mode converters (52). The input waveguides include a first input waveguide (1) and a second input waveguide (2) and are used for inputting signal optical pulses and controlling the optical pulses, the output waveguides include a first output waveguide (3) and a second output waveguide (4), the first input waveguide (1) and the second input waveguide (2) are respectively connected with the nonlinear directional coupler (6) by the first mode converters (51), and the nonlinear directional coupler (6) is respectively connected with the first output waveguide (3) and the second output waveguide (4) by the second mode converters (52). The all-optical logic gate device has the advantages of easiness in implementation, fast working speed, low power consumption, compact structure, cheap price and the like.
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