Mounting technology for intersubband light emitters
文献类型：专利
| 作者 | BAILLARGEON, JAMES NELSON; CAPASSO, FEDERICO; CHO, ALFRED YI; CHU, GEORGE SUNG-NEE; GMACHL, CLAIRE; HUTCHINSON, ALBERT LEE; SERGENT, ARTHUR MIKE; SIVCO, DEBORAH LEE; TREDICUCCI, ALESSANDRO |
| 发表日期 | 2001-12-04 |
| 专利号 | US6326646 |
| 著作权人 | ALCATEL-LUCENT USA INC. |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Mounting technology for intersubband light emitters |
| 英文摘要 | A mounting technology that increases the cw operating temperature of intersubband lasers, without increasing the risk of hot spots near the facets and short circuits near the perimeter of the laser chip, is described. In accordance with one embodiment of our invention, a method of fabricating a intersubband semiconductor laser comprises the steps of providing a single crystal semiconductor substrate, forming on the substrate an epitaxial region that includes a core region and an intersubband active region in the core region, forming front and back facets that define an optical cavity resonator, forming a metal electrode on the epitaxial region so as to provide an electrical connection to said active region, and mounting said laser on a heat sink, characterized in that the mounting step includes the steps of (i) soldering the electrode to the heat sink so that the front facet overhangs an edge of the heat sink and (ii) cleaving off the overhanging portion of the laser so as to form a new front facet that is essentially flush with the edge of said heat sink. In accordance with another embodiment, our invention is further characterized in that metal electrode to the epitaxial region is recessed from the edges of the laser chip. In accordance with yet another embodiment, our invention is further characterized in that the back facet of the laser is coated so that any solder that might tend to creep onto the back facet contacts the coating and not semiconductor material (in particular the ends of the active region). |
| 公开日期 | 2001-12-04 |
| 申请日期 | 1999-11-24 |
| 状态 | 授权 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/47407]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | ALCATEL-LUCENT USA INC. |
| 推荐引用方式 GB/T 7714 | BAILLARGEON, JAMES NELSON,CAPASSO, FEDERICO,CHO, ALFRED YI,et al. Mounting technology for intersubband light emitters. US6326646. 2001-12-04. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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