Changchun Institute of Optics,Fine Mechanics and Physics,CAS
| Experiment of restraint of atmospheric turbulence using diversity technology based on analysis of offshore laser communication | |
| Li, Y.; S. Gao and L. Sheng | |
| 2016 | |
| 发表期刊 | Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
 |
| 卷号 | 45期号:3 |
| 摘要 | GaSb-based quantum well (QW) laser diode, with emission wavelength similar to 2 mu m, integrated onto a silicon-on-insulator (SOI) waveguide circuit through a high-thermal-conductivity Al2O3 bonding layer has been designed and analyzed. Prior to bonding, the fabricated Fabry-Perot GaSb QW laser worked under continuous wave operation at room temperature, with a low threshold current of 37 mA at the emission wavelength of 2019 nm, demonstrating high material quality. A tapered structure has been used for evanescent coupling of light from the GaSb laser to the underlying Si waveguide. Instead of using SiO2 for direct bonding or Benzocyclobutene for adhesive bonding, the use of Al2O3 to directly bond GaSb lasers onto SOI wafers is proposed. The optical mode distribution simulations by a beam propagation method software show that light can be coupled efficiently to the underlying Si waveguide through the tapered structure without compromise in optical coupling efficiency. Furthermore, there is a significant reduction (similar to 70%) in the total thermal resistance compared with the same structure using a SiO2 bonding layer. Our results suggest that the Al2O3 bonding layer could be a promising candidate for III-V lasers integrated on SOI circuits, where thermal dissipation is very critical. |
| 文章类型 | 期刊 |
| 收录类别 | EI |
| 语种 | 中文 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ciomp.ac.cn/handle/181722/57042 |
| 专题 | 中科院长春光机所知识产出 |
| 推荐引用方式 GB/T 7714 | Li, Y.,S. Gao and L. Sheng. Experiment of restraint of atmospheric turbulence using diversity technology based on analysis of offshore laser communication[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2016,45(3). |
| APA | Li, Y.,&S. Gao and L. Sheng.(2016).Experiment of restraint of atmospheric turbulence using diversity technology based on analysis of offshore laser communication.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,45(3). |
| MLA | Li, Y.,et al."Experiment of restraint of atmospheric turbulence using diversity technology based on analysis of offshore laser communication".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 45.3(2016). |
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