Photonic crystal slow light waveguide based on honeycomb structure
A photonic crystal and honeycomb technology, applied in the direction of optical waveguide light guide, light guide, optics, etc., can solve the problem of lack of research on the control of topological boundary state propagating light group velocity, and achieve the effect of low production cost
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0030] Such as figure 1 As shown, the photonic crystal slow light waveguide based on the honeycomb structure of the present invention includes a topologically mediocre structure 1 in the upper part, a topological non-trivial structure 2 in the lower part, and the other part consists of a unit cell with topological non-trivial properties 201 permutations constitute.
[0031] The topologically mediocre structure 1 is composed of multiple layers of topologically mediocre unit cells 101 arranged in a C 6 Arranged in a symmetrical manner, the two-dimensional cross-section of the unit cell of topological mediocrity is a regular hexagon, and the long axis of the cross-section of the dielectric column is parallel to the boundary of the unit cell; two adjacent unit cells of topol...
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