Optical fiber coupling semiconductor laser

The embodiment of the invention belongs to the technical field of semiconductor lasers, and relates to an optical fiber coupling semiconductor laser. The optical fiber coupling semiconductor laser comprises a laser module, a focusing system and an optical fiber, the laser module comprises a light-emitting unit group and a first optical element group, the light-emitting unit group comprises N light-emitting units emitting laser beams with different wavelengths, and the N light-emitting units in the same group are located on the same plane; the first optical element group comprises N first optical elements capable of reflecting the laser with the specific wavelength, the first optical elements and the light emitting units are arranged in a one-to-one correspondence mode, the N first optical elements are arranged in the reflection direction of the laser beams, and the first optical elements can transmit the laser beams reflected by the first optical elements in the same group; and the focusing system and the opt