发明名称 |
OPTICAL DEVICE, METHOD OF MANUFACTURING THE SAME, AND LASER MODULE |
摘要 |
An optical device includes a ridge semiconductor laser element formed on a substrate, a first insulating film coating a lateral wall portion of a ridge structure of the ridge semiconductor laser element, and a second insulating film coating the ridge structure from above the first insulating film in an end portion region of the ridge structure. The second insulating film has a density lower than a density of the first insulating film. |
申请公布号 |
US2013322477(A1) |
申请公布日期 |
2013.12.05 |
申请号 |
US201313963620 |
申请日期 |
2013.08.09 |
申请人 |
FURUKAWA ELECTRIC CO., LTD. |
发明人 |
KINUGAWA KOUHEI;TANIGUCHI HIDEHIRO |
分类号 |
H01S5/20 |
主分类号 |
H01S5/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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