Exclusive-or optical logic gate based on Ag/non-linear material

A nonlinear material, optical logic technology, applied in the field of XOR optical logic gate, can solve the problems of unsatisfactory, unfavorable miniaturization, complex structure, etc., and achieve the effect of easy integration, simple structure and small volume

Inactive Publication Date: 2016-12-21
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the structure is on the micron scale and the structure is complex, it is still unsatisfactory for the application in the nanometer environment. Due to the complex structure, it is not conducive to miniaturization

Method used

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  • Exclusive-or optical logic gate based on Ag/non-linear material
  • Exclusive-or optical logic gate based on Ag/non-linear material
  • Exclusive-or optical logic gate based on Ag/non-linear material

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Experimental program
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Effect test

Embodiment 1

[0025] exist figure 1 Among them, the XOR optical logic gate based on Ag / nonlinear material in this embodiment includes a waveguide substrate 1 placed horizontally. The waveguide substrate 1 in this embodiment adopts an Ag substrate, and the thickness of the waveguide substrate 1 is 15nm. In the waveguide substrate 1 Along the direction parallel to the horizontal central axis, a light wave incident channel 2 and a light wave exit channel 4 with a width of 50nm are processed, and a field intensity monitor 6 is placed on the left side of the light wave exit channel 4 on the waveguide substrate 1, and the external strengthening light passes through The light wave incident channel 2 is input and the light wave exit channel 4 is output. A left annular cavity 3 and a right annular cavity 5 are processed in the center between the light wave incident channel 2 and the light wave exit channel 4 on the waveguide substrate 1. The left annular cavity 3 and the right annular cavity 5 in thi...

Embodiment 2

[0031] In Embodiment 1, in the XOR optical logic gate based on Ag / non-linear material of the present embodiment, the thickness of the waveguide substrate 1 is 10nm, and the waveguide substrate 1 is processed with a width of 45nm light wave incident channel 2 and light wave output channel 4, the outer diameter of the left annular cavity 3 and the right annular cavity 5 in this embodiment is 200nm, the inner diameter is 150nm; the center distance L of the left annular cavity 3 and the right annular cavity 5 is 700nm ; The distance H between the center of the right annular cavity 3 and the light wave incident channel is 10nm, and the connection relationship of all the other parts and parts is exactly the same as that of embodiment 1.

Embodiment 3

[0033]In embodiment 1, the thickness of the waveguide substrate 1 is 20nm for the XOR optical logic gate based on Ag / non-linear material of the present embodiment, and a width of 55nm light wave incident channel 2 and light wave output channel 4, the outer diameter of the left annular cavity 3 and the right annular cavity 5 in this embodiment is 400nm, the inner diameter is 350nm; the center distance L of the left annular cavity 3 and the right annular cavity 5 is 900nm ; The distance H between the center of the right annular cavity 3 and the light wave incident channel is 20nm, and the connection relationship of all the other parts and parts is exactly the same as that of embodiment 1.

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Abstract

An exclusive-or optical logic gate based on an Ag / non-linear material comprises a waveguide substrate, wherein an optical wave incidence channel and an optical wave emergence channel are formed in the waveguide substrate in the direction parallel to a horizontal center axis, a field intensity monitor is arranged on the left side of the optical wave emergence channel in the waveguide substrate, and a left ring cavity and a right ring cavity are formed between the optical wave incidence channel and the optical wave emergence channel in the waveguide substrate. The exclusive-or optical logic gate based on the Ag / non-linear material is simple in structure, small in size and convenient to integrate, the refractive index of the non-linear material is changed through control of light intensity of externally intensified light, then logical conversion is realized, and the exclusive-or optical logic gate based on the Ag / non-linear material can be popularized and applied to the technical field of optical communication devices or equipment.

Description

technical field [0001] The invention belongs to the technical field of optical communication devices or equipment, and in particular relates to an exclusive OR optical logic gate based on Ag / nonlinear material. Background technique [0002] Optical logic gates are essential components in optical information processing and optical computing. Traditional electrical logic gates are composed of triodes cascaded. For one logic gate, multiple triodes need to be driven, so the power consumption of the device is relatively high, while the optical logic gate is equivalent to a selection switch when working, and the power consumption is relatively low. All the inputs of the optical logic gate are parallel, each input element is independent of each other and the final operation result is expressed in the form of light intensity in the optical domain. As one of the key devices to realize all-optical integrated optical circuits, all-optical logic gates are widely used in the field of mi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F3/00G02F1/365
CPCG02F1/365G02F3/00
Inventor 李晓辉庞星星胡斌
Owner SHAANXI NORMAL UNIV
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