概括
研究人员开发了新的InGaAs/GaAs量子井点超发光二极管 (SLD),具有独特的条纹波导设计. 这种设计抑制了光学反,大大提高了光学功率输出,提高了设备性能.
科学领域:
- 半导体光电子学 半导体光电子学
- 量子点设备 量子点设备
- 光子学工程 摄影学工程
背景情况:
- 超发光二极管 (SLD) 对于需要广泛,高功率发射的应用至关重要.
- 传统的SLD设计往往面临着光学反和有限的输出功率的挑战.
- 印化/化 (InGaAs/GaAs) 量子井点结构提供可调节的发射特性.
研究的目的:
- 调查用于InGaAs/GaAs量子井点超发光二极管 (SLD) 的新和简单的条纹波导设计.
- 通过有效地抑制光学反来增强光学功率输出.
- 描述开发的SLDs在950-1150nm光谱范围内的发射特性.
主要方法:
- 在InGaAs/GaAs量子井点结构的制造.
- 实现了一种新的条纹波导设计,其中包含了芯片侧面.
- 连续波 (CW) 光学功率和发射频谱 (FWHM) 的表征.
主要成果:
- 新的条纹波导设计有效地抑制了光学反.
- 连续波 (CW) 光学功率达到了高达150mW的水平.
- 在950-1150纳米范围内观察到20纳米全宽半最大 (FWHM) 的广泛发射光谱.
结论:
- 建议的简单条纹波导设计对InGaAs/GaAs量子井点SLD有效.
- 该设计可实现高光学功率输出和宽光谱发射.
- 这一进步对于需要高性能光源的应用具有前景.
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