InGaAs/GaAs metamorphic buffer for laser power converter applications
This paper investigated the optimization of InGaAs/GaAs metamorphic buffer and its application to LPCs (laser power converters). Firstly, InGaAs (18%) metamorphic buffer with step (S), step + overshoot (SO), step + reverse (SR), and step + reverse + overshoot (SRO) structures were investigated by X-ray, AFM and TEM, respectively. Moreover, an InGaAs (24%) SRO buffer structure with a relaxation of 94.5% and a surface roughness of 5.4 nm were obtained. Further, 1064 nm InGaAs metamorphic LPCs were grown and fabricated on InGaAs (24%) SRO buffer with an efficiency of 44.2%, and the reliability of these metamorphic LPCs was demonstrated by operating it at 190°C for 1174 hours.
Authors
- Guoliang Deng (ORCID: https://orcid.org/0000-0003-3684-3408)
- Yudan Gou (ORCID: https://orcid.org/0000-0002-6823-5119)
- Haifeng Pan (ORCID: https://orcid.org/0000-0002-6950-3867)
- Xiangliu Chen
- Z. George Mou (ORCID: https://orcid.org/0009-0004-8933-4548)
- Jun Wang (ORCID: https://orcid.org/0000-0002-9733-9515)
- Huomu Yang
- Yongji Chen (ORCID: https://orcid.org/0009-0006-6825-3735)
Institutions
- Everbright International (China) (CN)
- Monash University (AU)
Publication Details
- Journal
- Optics Express
- Published
- 2024-12-02
- DOI
- https://doi.org/10.1364/oe.544606
- Citations
- 6
- Primary Topic
- solar cell performance optimization
- Type
- article
- Field-Weighted Citation Impact
- 1.25
Funders
- National Natural Science Foundation of China
- China Postdoctoral Science Foundation
- Fundamental Research Funds for the Central Universities