基于“9”字腔锁模激光器的光学频率梳研究进展  

Research progress in optic frequency comb based on figue-of-9 mode-locking laser

作　　者：赵春勃 姚嘉丽 汪会波 拓卓越 杜二旺[1] 贺玉玲 蒙艳松[1,2] ZHAO Chun-bo;YAO Jia-li;WANG Hui-bo;TUO Zhuo-yue;DU Er-wang;HE Yu-ling;MENG Yan-song(China Academy of Space Technology(Xi'an),Xi'an 710100,China;National Key Laboratory of Science and Technology on Space Micro wave,Xi'an 710100,China)

机构地区：[1]中国空间技术研究院西安分院,西安710100 [2]空间微波技术重点实验室,西安710100

出　　处：《时间频率学报》2022年第2期95-103,共9页Journal of Time and Frequency

基　　金：国家重点实验室基金资助项目(6142411186408,6142411196307)。

摘　　要：高精度的光学时频技术在下一代卫星导航、高通量通信、微波-激光时频同源、空间引力波探测、科学研究等领域具有广泛的应用需求,而光学频率梳是其中必不可少的核心技术之一。本文主要介绍了基于“9”字腔锁模激光器的全保偏光学频率梳光学部分的研制进展。理论上建立了反射型和透射型两种情况下非互易相移器的数学模型,实验上搭建了基于非线性环形腔镜锁模激光振荡器,并通过两级放大、光谱展宽以及共线型f-2f探测,获得了信噪比约为35 dB的载波包络频率,为光纤光学频率梳的建立奠定了基础。High precision optical time&frequency technology has a wide range of application in the next generation of sa tellite naviga tion,high-throughput communica tion,microwa ve-laser coherence linking,space gravitational w ave detection,scientific research and other fields,and optical frequency comb is one of:the essential core technologies.This work mainly introduces the development of the optical part of the frequency comb based on the figure-of-9 mode-locking laser.In theory,the mathematical models for nonreciprocal phase shifter in two cases of reflection type and transmission type are established,respectively,In the experiment,a mode-locking laser based on nonlinear amplify loop mirror has been constructed.Finally,the carrier envelope frequency with a signal-to-noise ratio of about 35 dB is obtained after two stage amplifica tion,spectral broadening and collinear f-2f detection,which lays a foundation for the establishment of optical fiber frequency comb.

关 键 词：非互易相移 锁模激光器 光学频率梳 

分 类 号：TN248[电子电信—物理电子学]