| 发明名称 |
OPTICAL SEMICONDUCTOR DEVICE AND ITS FABRICATING METHOD |
| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical semiconductor device having a wide gain band and its fabricating method. SOLUTION: The optical semiconductor device has a plurality of quantum dots 22 the size of which is uneven.
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| 申请公布号 |
JP2003124574(A) |
申请公布日期 |
2003.04.25 |
| 申请号 |
JP20010311046 |
申请日期 |
2001.10.09 |
| 申请人 |
FUJITSU LTD |
发明人 |
AKIYAMA TOMOYUKI |
| 分类号 |
H01S5/343;H01L21/203;H01S5/34;H01S5/40;H01S5/50;(IPC1-7):H01S5/343 |
主分类号 |
H01S5/343 |
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