XNOR logic gate based on transverse spin structure light field

Abstract

The invention provides an XNOR logic gate based on a transverse spin structure light field. Firstly, the structure of the XNOR logic gate is defined, the XNOR logic gate comprises a composite waveguide and two homogeneous solid metal nanospheres with identical structures, the composite waveguide is integrally of a Y-shaped structure, and comprises an output waveguide and two input waveguide arms connected with the output waveguide, and the two metal nanospheres are located at the front ends of the input waveguide arms respectively; then the size of the XNOR logic gate and a material manufacturing the logic gate are given; circularly polarized light is adopted as a light source to verify a logical function of the XNOR logic gate. The XNOR logic gate has the advantages that the structure isnovel, manufacturing is easy, the implementation mode is simple, and a logic gate device is small in size and convenient to integrate on a large scale, and has a huge application prospect in the fields of all-optical communication technologies, in particular to all-optical calculation.

Description

technical field [0001] The invention relates to the field of integrated optics, in particular to an XNOR logic gate based on a horizontal spin structure light field. Background technique [0002] In order to meet the requirements of today's society for information transmission capacity and speed, get rid of the limitations of traditional electronic devices, and realize ultra-long distance, ultra-large capacity, and ultra-high-speed transmission of signals, all-optical networks have emerged as the times require. The all-optical logic gate is the basic device of large-scale all-optical integration, and it is also the key device of the next-generation all-optical communication network. [0003] The transverse spin characteristic of light has attracted the attention of many researchers since it was proposed. There are many researches on light-based transverse spin waveguide structures, but none of them have been applied to specific integrated optical devices, and related logic ...

AI Technical Summary

Problems solved by technology

There are many researches on light-based transverse spin waveguide structures, but none of them have been applied to specific integrated optical devices, and related logic gate devices based on transverse spin have not been reported.

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