发明授权
- 专利标题: Distributed feedback semiconductor laser
- 专利标题(中): 分布式反馈半导体激光器
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申请号: US433085申请日: 1982-10-06
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公开(公告)号: US4506367A公开(公告)日: 1985-03-19
- 发明人: Shigeyuki Akiba , Kazuo Sakai , Katsuyuki Utaka , Yuichi Matsushima
- 申请人: Shigeyuki Akiba , Kazuo Sakai , Katsuyuki Utaka , Yuichi Matsushima
- 申请人地址: JPX Tokyo
- 专利权人: Kokusai Denshin Denwa Kabushiki Kaisha
- 当前专利权人: Kokusai Denshin Denwa Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX56-160112 19811009
- 主分类号: H01S5/00
- IPC分类号: H01S5/00 ; H01S5/10 ; H01S5/12 ; H01S3/19
摘要:
A distributed feedback semiconductor laser which is characterized in that periodic corrugations are performed in the surface of an InGaAsP quaternary layer so that an InP layer is grown thereon so as to overcome difficulties in prior arts.
公开/授权文献
- US6149080A Hopper spreader for a truck box 公开/授权日:2000-11-21