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Distributed feedback laser diode and a method for manufacturing the same 专利
专利号: US7627011, 申请日期: 2009-12-01, 公开日期: 2009-12-01
作者:  KAWAHARA, TAKAHIKO
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/24
Semiconductor laser diode with emission efficiency independent of thickness of p-type cladding layer 专利
专利号: US20070258498A1, 申请日期: 2007-11-08, 公开日期: 2007-11-08
作者:  KAWAHARA, TAKAHIKO;  FURUKAWA, MASATO
收藏  |  浏览/下载:3/0  |  提交时间:2020/01/18
Distributed feedback laser including AlGaInAs in feedback grating layer 专利
专利号: US20060146902A1, 申请日期: 2006-07-06, 公开日期: 2006-07-06
作者:  IKOMA, NOBUYUKI;  KAWAHARA, TAKAHIKO
收藏  |  浏览/下载:10/0  |  提交时间:2019/12/31
Semiconductor optical device, semiconductor laser device, semiconductor optical modulation device, and semiconductor optical integrated device 专利
专利号: US20040086015A1, 申请日期: 2004-05-06, 公开日期: 2004-05-06
作者:  KAWAHARA, TAKAHIKO;  MURATA, MICHIO
收藏  |  浏览/下载:11/0  |  提交时间:2019/12/31


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