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Analysis of optical coupling behavior in two-dimensional implant-defined coherently coupled vertical-cavity surface-emitting laser arrays

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Abstract

Optical coupling behavior and associated effects in two-dimensional implant-defined coherently coupled vertical-cavity surface-emitting laser (VCSEL) arrays are studied via both experiments and theoretical calculations. Experiments show that optical coupling between array elements can enhance the array’s output power. Additionally, optical coupling via leaky optical fields can provide extra optical gain for the array elements, which can then reduce the thresholds of these elements. Elements can even be pumped without current injection to emit light by receiving a strong leaky optical field from other array elements. Optical coupling can also cause unusual phenomena: the central elements in large-area coherently coupled VCSEL arrays that lase prior to the outer elements when the arrays are biased, or the average injection current required for each element to lase, which is much lower than the threshold for a single VCSEL. Theoretical calculations are performed to explain the experimental results.

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DOI:10.1364/prj.6.001048

所属栏目:Integrated optics

基金项目:National Key R&D Program of China (2018YFA0209000); National Natural Science Foundation of China (NSFC)10.13039/501100001809 (61874145, 61604007, 61774175, 11674016); Natural Science Foundation of Beijing Municipality10.13039/501100004826 (4172009, 4182012); Beijing Municipal Commission of Education10.13039/501100002888 (PXM2018_014204_500020, KM201810005029).

收稿日期:2018-07-26

录用日期:2018-09-19

网络出版日期:2018-09-20

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Guanzhong Pan:Key Laboratory of Optoelectronics Technology, Beijing University of Technology, Beijing 100124, China
Yiyang Xie:Key Laboratory of Optoelectronics Technology, Beijing University of Technology, Beijing 100124, Chinae-mail: xieyiyang@bjut.edu.cn
Chen Xu:Key Laboratory of Optoelectronics Technology, Beijing University of Technology, Beijing 100124, Chinae-mail: xuchen58@bjut.edu.cn
Yibo Dong:Key Laboratory of Optoelectronics Technology, Beijing University of Technology, Beijing 100124, China
Jun Deng:Key Laboratory of Optoelectronics Technology, Beijing University of Technology, Beijing 100124, China
Hongda Chen:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
Jie Sun:Key Laboratory of Optoelectronics Technology, Beijing University of Technology, Beijing 100124, ChinaDepartment of Microtechnology and Nanoscience, Chalmers University of Technology, Gothenburg 41296, Sweden

联系人作者:联系作者

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引用该论文

Guanzhong Pan, Yiyang Xie, Chen Xu, Yibo Dong, Jun Deng, Hongda Chen, and Jie Sun, "Analysis of optical coupling behavior in two-dimensional implant-defined coherently coupled vertical-cavity surface-emitting laser arrays," Photonics Research 6(11), 1048-1055 (2018)

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