Far-Field Patterns of Plasmon Waveguide Interband Cascade Lasers

被引:3
|
作者
Yin, Zuowei [1 ,2 ,3 ]
Jiang, Yuchao [1 ]
Tian, Zhaobing [1 ]
Yang, Rui Q. [1 ]
Mishima, Tetsuya D. [4 ]
Santos, Michael B. [4 ]
Johnson, Matthew B. [4 ]
机构
[1] Univ Oklahoma, Sch Elect & Comp Engn, Norman, OK 73019 USA
[2] Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Sch Engn & Appl Sci, Nanjing 210093, Peoples R China
[4] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA
基金
美国国家科学基金会;
关键词
Far-field; interband cascade laser; plasmon waveguide; EFFECTIVE-INDEX METHOD; SEMICONDUCTOR-LASER;
D O I
10.1109/JQE.2011.2168812
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The far-field patterns of InAs-based plasmon-waveguide interband cascade lasers are experimentally and theoretically investigated. It is shown that different ridge waveguide structures and metal contact configurations lead to distinctive far-field patterns. With the commonly adopted center metal contact on the top of the ridge waveguide, an undesirable double-lobe far-field pattern along the lateral direction is exhibited, while with two metal contacts near the edges of the ridge or a broad-area metal contact on the mesa structure, the more desirable single lobe far-field pattern is observed. These characteristic far-field patterns and their implications are discussed with the aid of a theoretical model which is in good agreement with our experimental results.
引用
收藏
页码:1414 / 1419
页数:6
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