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
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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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