Ridge waveguide and two-D photonic crystal combined silicon-base Raman laser structure
A two-dimensional photonic crystal and Raman laser technology, applied in the field of silicon-based Raman laser structure, can solve the problems of high end-face flatness requirements, unfavorable integration, etc., achieve high quality factor, reduce complexity, and be beneficial to laser lasing effect
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[0031] see image 3 As shown, a silicon-based Raman laser structure combining a ridge waveguide and a two-dimensional photonic crystal of the present invention includes:
[0032] An SOI material 1; the SOI material 1 includes: a silicon substrate 9; a silicon dioxide insulating layer 8, the silicon dioxide insulating layer 8 is made on the silicon substrate 9; a top layer of silicon 7, the top layer of silicon 7 is made On the silicon dioxide insulating layer 8; the thickness of the silicon dioxide insulating layer 8 is 1-2 microns, and the thickness of the top silicon layer 7 is 1-5 microns;
[0033] A ridge waveguide 2, the ridge waveguide 2 is made on the SOI material 1, the ridge waveguide 2 is a single-mode waveguide satisfying the single-mode condition of the ridge waveguide, the cross section of the waveguide is trapezoidal or rectangular, and the overall shape is spiral or rectangular or zigzag or other shape;
[0034] A P-type silicon 3, the P-type silicon 3 is fabr...
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