- 专利标题： OPTICAL SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LASER DEVICE
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申请号： US17724570申请日： 2022-04-20
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公开(公告)号： US20220344906A1公开(公告)日： 2022-10-27
- 发明人: Hiroyuki TARUMI , Yuki KAMATA , Keizo TAKEMASA , Kenichi NISHI , Yutaka OHNISHI
- 申请人： DENSO CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA , MIRISE Technologies Corporation , QD LASER, Inc.
- 申请人地址： JP Kariya-city; JP Toyota-shi; JP Nisshin-shi; JP Kawasaki-shi
- 专利权人： DENSO CORPORATION,TOYOTA JIDOSHA KABUSHIKI KAISHA,MIRISE Technologies Corporation,QD LASER, Inc.
- 当前专利权人： DENSO CORPORATION,TOYOTA JIDOSHA KABUSHIKI KAISHA,MIRISE Technologies Corporation,QD LASER, Inc.
- 当前专利权人地址： JP Kariya-city; JP Toyota-shi; JP Nisshin-shi; JP Kawasaki-shi
- 优先权： JP2021-071809 20210421
- 主分类号： H01S5/34
- IPC分类号： H01S5/34 ; H01S5/343
摘要：
An optical semiconductor device includes an active layer having a plurality of quantum dot layers. The plurality of quantum dot layers includes at least one quantum dot player doped with a p-type impurity. Further, the plurality of quantum dot layers includes at least two quantum dot layers having different emission wavelengths and different p-type impurity concentrations.
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