The study of optical frequency-comb laser generated by stimulated Raman scattering

Xianglong Cai; Zhonghui Li; Dong Liu; Jintian Bian; Jingwei Guo; Baodong Gai; Shu Hu; Jinbo Liu; Pengyuan Wang; Ying Chen

doi:10.1117/12.2522459

8 January 2019 The study of optical frequency-comb laser generated by stimulated Raman scattering

Xianglong Cai, Zhonghui Li, Dong Liu, Jintian Bian, Jingwei Guo, Baodong Gai, Shu Hu, Jinbo Liu, Pengyuan Wang, Ying Chen

Author Affiliations +

Proceedings Volume 11042, XXII International Symposium on High Power Laser Systems and Applications; 110420L (2019) https://doi.org/10.1117/12.2522459
Event: XXII International Symposium on High Power Laser Systems and Applications, 2018, Frascati, Italy

Abstract

Stimulated Raman Scattering (SRS) is important method of laser frequency conversion. Optical frequency-comb is a special kind of SRS which output multiple Stokes beam simultaneously, and lasers with mutiple wavelength have broad applications. In this paper, the optical frequency-comb generated by SRS of CO₂ is presented and the spectral range covers from 0.4 μm to 1.5 μm. Research also indicates that the characteristics of optical frequency-comb depends on the wavelength of pumping laser. For instance, the SRS photon conversion efficiency pumped by 1064 nm laser is high at 1248nm, 1510nm but that pumped by 532 nm laser is high at 574nm, 624nm 683nm. The different features are compared and analyzed by the use of the mechanism of four-wave mixing and the change of SRS gain coefficient with Stokes wavelength.

Citation Download Citation

Xianglong Cai, Zhonghui Li, Dong Liu, Jintian Bian, Jingwei Guo, Baodong Gai, Shu Hu, Jinbo Liu, Pengyuan Wang, and Ying Chen "The study of optical frequency-comb laser generated by stimulated Raman scattering", Proc. SPIE 11042, XXII International Symposium on High Power Laser Systems and Applications, 110420L (8 January 2019); https://doi.org/10.1117/12.2522459

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