Semiconductor laser
A technology of semiconductors and lasers, applied in the field of lasers, can solve the problems of uneven distribution of DFB light field and easy hole burning effect, and achieve the effects of suppressing space hole burning effect, reducing heating effect, and reducing current injection density
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[0026] 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.
[0027] see figure 1 , image 3 , Figure 4 , Figure 5 as well as Figure 7 , Figure 8 , an embodiment of the present invention provides a semiconductor laser, including a substrate 1, a growth structure sequentially grown on the substrate 1, and a conductive channel formed on the growth structure, and the conductive channel is a long strip body, at least a part of the body of the strip body is a widened portion formed by expanding the two sides of the s...
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