半导体激光器因其效率高、体积小、发光范围广、价格低廉等优势一直作为激光器中最重要、最实用的一类,其中1.5 μm附近是半导体激光器中非常重要的一个波段,目前该波段已经在医疗、激光雷达、光纤通信、保密通信、军工等领域有广泛应用。1.5 μm附近半导体激光器在结构上一般使用分布式反馈型和分布式布拉格光栅型结构,在有源区上,量子阱结构目前发展得最为成熟,量子点结构也在不断研究过程中。本文围绕1.5 μm波段的半导体激光器,主要讨论量子阱激光器和量子点激光器,其中包含DFB和DBR结构,叙述纳米低维结构激光器的技术发展,分析其技术特点,对1.5 μm波段的半导体激光器的技术发展趋势进行了展望。 Semiconductor lasers have always been the most important and practical class of lasers due to their high efficiency, small size, wide luminous range, and low price. Among them, near 1.5 μm is a very important band in semiconductor lasers. At present, this band has been widely used in medical, laser radar, optical fiber communication, confidential communication, military industry and other fields. 1.5 μm nearby semiconductor lasers generally use distributed feedback and distributed Bragg grating structures. In the active region, the quantum well structure is currently the most mature, and the quantum dot structure is also in the process of continuous research. This article focuses on semiconductor lasers in the 1.5 μm band, mainly discusses quantum well lasers and quantum dot lasers, including DFB and DBR structures, describes the technological development of nano low-dimensional structure lasers, analyzes its technical characteristics, and the technical development trend of 1.5 μm band semiconductor lasers is prospected.
半导体激光器,DBR,DFB,量子阱,量子点, Semiconductor Laser DBR DFB Quantum Well Quantum Dot摘要
Research Progress of Quantum Well and Quantum Dot Lasers in the 1.5 μm Band
Zhaoyue Liu, Lina Zeng, Ke Xu, Qihan Wu, Xin Liao, Zaijin Li, Zhibin Zhao, Hao Chen, Zhongliang Qiao, Yi Qu, Guojun Liu, Lin Li*
Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Physics and Electronic Engineering, Hainan Normal University, Haikou Hainan
Semiconductor lasers have always been the most important and practical class of lasers due to their high efficiency, small size, wide luminous range, and low price. Among them, near 1.5 μm is a very important band in semiconductor lasers. At present, this band has been widely used in medical, laser radar, optical fiber communication, confidential communication, military industry and other fields. 1.5 μm nearby semiconductor lasers generally use distributed feedback and distributed Bragg grating structures. In the active region, the quantum well structure is currently the most mature, and the quantum dot structure is also in the process of continuous research. This article focuses on semiconductor lasers in the 1.5 μm band, mainly discusses quantum well lasers and quantum dot lasers, including DFB and DBR structures, describes the technological development of nano low-dimensional structure lasers, analyzes its technical characteristics, and the technical development trend of 1.5 μm band semiconductor lasers is prospected.
2021年,N A Volkov等人比较研究了基于AlGaInAs/InP异质结构的超窄非对称波导半导体激光器 [25]。结果表明,使用这些波导同时增加量子阱深度可以增加输出功率,这种基于强不对称和超窄波导的激光器,在室温和连续波状态下,具有100 μm条纹接触宽度的输出功率为5 W (泵浦电流分别为11.5 A和14 A)。输出波长为1450~1500 nm。
刘兆悦,曾丽娜,许 珂,吴奇寒,廖 芯,李再金,赵志斌,陈 浩,乔忠良,曲 轶,刘国军,李 林. 1.5 μm波段量子阱与量子点激光器的研究进展 Research Progress of Quantum Well and Quantum Dot Lasers in the 1.5 μm Band[J]. 纳米技术, 2021, 11(04): 248-257. https://doi.org/10.12677/NAT.2021.114028
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