Research on Silicon-Substrate-Integrated Widely Tunable, Narrow Linewidth External Cavity Lasers
Research on Silicon-Substrate-Integrated Widely Tunable, Narrow Linewidth External Cavity Lasers
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硅衬底集成宽可调谐窄线宽外腔激光器研究
DOI：
10.3390/cryst12050674
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发表时间：
2022-05
期刊：
影响因子：
--
通讯作者：
Lina Zeng
中科院分区：
文献类型：
--
作者：
Xuan Li;Junce Shi;Long Wei;Keke Ding;Yuhang Ma;Zaijin Li;Lin Li;Yi Qu;Zhongliang Qiao;Guojun Liu;Lina Zeng
硅衬底上宽可调窄线宽外腔激光器在白光干涉测量、波分复用系统、相干光通信和光纤传感技术等方面有着重要的应用。外腔激光器具有调谐范围宽、激光输出功率高、单模、光谱输出稳定、边模抑制比高等优点，受到人们的广泛关注。本文详细介绍和比较了在硅衬底上实现宽调谐、窄线宽外腔激光器的两种主要器件集成结构：MRR集成结构和MRR和MZI集成外腔半导体激光器结构。然后从集成模式上简要介绍了芯片集成结构，包括单片集成、异质集成和混合集成。结果表明，硅衬底集成外腔激光器是实现宽调谐范围、高功率、单模、光谱输出稳定、高边模抑制比激光输出的潜在途径。
Widely tunable, narrow linewidth external cavity lasers on silicon substrates have many important applications, such as white-light interferometry, wavelength division multiplexing systems, coherent optical communication, and optical fiber sensor technology. Wide tuning range, high laser output power, single mode, stable spectral output, and high side-mode suppression ratio external cavity lasers have attracted much attention for their merits. In this paper, two main device-integrated structures for achieving widely tunable, narrow linewidth external cavity lasers on silicon substrates are reviewed and compared in detail, such as MRR-integrated structure and MRR-and-MZI-integrated structure of external cavity semiconductor lasers. Then, the chip-integrated structures are briefly introduced from the integration mode, such as monolithic integrated, heterogeneous integrated, and hybrid integrated. Results show that the silicon-substrate-integrated external cavity lasers are a potential way to realize a wide tuning range, high power, single mode, stable spectral output, and high side-mode suppression ratio laser output.
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