Tunable laser diode having a distributed feedback structure
文献类型:专利
作者 | OGITA SHOUICHI; KOTAKI YUJI; MATSUDA MANABU |
专利号 | CA2021140A1 |
著作权人 | FUJITSU LIMITED |
国家 | 加拿大 |
文献子类 | 发明申请 |
其他题名 | Tunable laser diode having a distributed feedback structure |
英文摘要 | A distribution feedback laser diode, comprisesa substrate, a waveguide layer provided on thesubstrate, an active layer provided on the waveguidelayer, a diffraction grating provided at an interfacebetween the substrate and the waveguide layer forreflecting an optical radiation formed in the activelayer back and forth, a clad layer provided on theactive layer for confining the optical radiation withinthe active layer, a plurality of segmented electrodesprovided on the top surface of the clad layer along anelongated direction of the laser diode for injecting thecarriers into the active layer, wherein at least one ofthe segmented electrodes is provided in correspondenceto a part of the active layer in which the opticalradiation formed in the active layer has a maximumintensity level, and a backside electrode provided atthe bottom surface of the substrate for injecting thecarriers into the active layer through the substrate. |
公开日期 | 1991-01-16 |
申请日期 | 1990-07-13 |
状态 | 失效 |
源URL | [http://ir.opt.ac.cn/handle/181661/43608] ![]() |
专题 | 半导体激光器专利数据库 |
作者单位 | FUJITSU LIMITED |
推荐引用方式 GB/T 7714 | OGITA SHOUICHI,KOTAKI YUJI,MATSUDA MANABU. Tunable laser diode having a distributed feedback structure. CA2021140A1. |
入库方式: OAI收割
来源:西安光学精密机械研究所
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