Semiconductor laser and planar optical waveguide coupling structure, optical path system and manufacturing method
A planar optical waveguide and coupling structure technology, applied in the field of optical system and manufacturing, semiconductor laser and planar optical waveguide coupling structure, can solve the problem of effective refractive index mismatch of mode spot size, low coupling efficiency, etc., to achieve cost advantages, coupling Simple structure and small volume
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[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0034] refer to figure 1 , figure 2 and image 3 , the present invention provides a semiconductor laser and a planar optical waveguide coupling structure, the coupling structure includes an input waveguide structure and a parabolic shaping structure, the input waveguide structure is located at one end of the parabolic shaping structure, and the waveguide structure of the parabolic shaping structure is parabolic, It is used to increase the mode matching with...
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