公开(公告)号：US4847848A

公开(公告)日：1989-07-11

申请号：US157049

申请日：1988-02-16

申请人： Yasuaki Inoue ,  Kimihide Minakuchi ,  Norio Tabuchi

发明人： Yasuaki Inoue ,  Kimihide Minakuchi ,  Norio Tabuchi

IPC分类号： G11B7/125 ,  G11B7/14 ,  H01S5/40

CPC分类号： G11B7/127 ,  G11B7/14 ,  H01S5/4025 ,  H01L2224/48091

摘要： A semiconductor laser device comprises: a semiconductor laser including laser resonators for emitting laser beams forward and backward oppositely along a plurality of parallel axes; a photodetector including a plurality of photodetector elements for detecting intensities of the laser beams emitted backward; and a waveguide located between the semiconductor laser and the photodetector for guiding the backward emitted laser beams to the corresponding ones of the photodetector elements, the waveguide including a plurality of guide grooves for guiding the backward emitted laser beams.

摘要翻译： 半导体激光器件包括：半导体激光器，包括用于沿着多个平行轴线向前和向后相反地发射激光束的激光谐振器; 光检测器，其包括用于检测向后发射的激光束的强度的多个光检测元件; 以及位于半导体激光器和光电检测器之间的波导，用于将向后发射的激光束引导到相应的光检测器元件，波导包括用于引导反向发射的激光束的多个引导槽。