Plasma excimer gain waveguide
A plasmon and waveguide technology, which is applied in the field of optical waveguides, can solve the problems of weakened coupling between gain waveguides and metal plasmons, poor optical locality, and reduced threshold gain, so as to achieve long propagation distance and increase propagation distance. , improve the local effect
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Embodiment 1
[0045] figure 1 Shown is a structural diagram of Embodiment 1 of a plasmon gain waveguide provided by the present invention. figure 1 Among them, the x-axis, y-axis and z-axis respectively represent the coordinate axes x-axis, y-axis and z-axis, the direction of the z-axis is perpendicular to the surface of the figure, and the positive direction of the z-axis is outward.
[0046] The first embodiment provides a plasmon gain waveguide 103, including a base layer 101, a dielectric layer 102, an isolation layer 111 and a gain waveguide 103, the dielectric layer 102 is placed on the exposed surface of the base layer 101, and the isolation layer 111 Between the dielectric layer 102 and the gain waveguide 103, the end of the gain waveguide 103 close to the dielectric layer 102 is wedge-shaped and the tip faces the dielectric layer 102, and the refractive index of the gain waveguide 103 is greater than the The refractive index of the isolation layer 111 is described above.
[0047]...
Embodiment 2
[0064] Figure 9 Shown is a structural diagram of Embodiment 2 of a plasmon gain waveguide provided by the present invention. Figure 9 Among them, the x-axis, y-axis and z-axis respectively represent the coordinate axes x-axis, y-axis and z-axis, the direction of the z-axis is perpendicular to the surface of the figure, and the positive direction of the z-axis is outward.
[0065] This embodiment provides a plasmon gain waveguide 903, which includes a base layer 901, a dielectric layer 902, an isolation layer 904, and a gain waveguide 903. The dielectric layer 902 is placed on the exposed surface of the base layer 101, and the isolation layer 904 mediates Between the dielectric layer 902 and the gain waveguide 903, one end of the gain waveguide 903 close to the dielectric layer 902 is wedge-shaped with the tip facing the dielectric layer 902, and the refractive index of the gain waveguide 903 is larger than the The refractive index of the isolation layer 904 .
[0066] Fi...
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