Abstract

Four-wave mixing induced spectral broadening near the zero-dispersion wavelength (ZDW) of the fiber is a bottleneck factor that limits the further wavelength extending in cascaded random fiber lasers (RFLs). In this Letter, we successfully suppress the spectral broadening near the ZDW of the fiber in the cascaded RFL by simply combining two kinds of commercial telecom fibers with different ZDWs, G655C fiber with ZDW around 1.52 µm and G652D fiber with ZDW around 1.31 µm. As a result, an 8th order Stokes light component at 1721 nm with a maximum output power of 2.1 W and a spectral purity of 96.94% is realized in this telecom-fiber-based cascaded RFL. This work provides a reference of nonlinear effect management in fiber lasers as well as affords a cost-effective way with great potential of realizing high-power widely tunable fiber lasers.

© 2020 Optical Society of America

Low-noise high-order Raman fiber laser pumped by random lasing

Bing Han, Yunjiang Rao, Han Wu, Jiazhen Yao, Hongjian Guan, Rui Ma, and Zinan Wang
Opt. Lett. 45(20) 5804-5807 (2020)

Broadband pumping enabled flat-amplitude multi-wavelength random Raman fiber laser

Jun Ye, Yang Zhang, Jiangming Xu, Jiaxin Song, Tianfu Yao, Hu Xiao, Jinyong Leng, and Pu Zhou
Opt. Lett. 45(7) 1786-1789 (2020)

Linearly polarized cascaded Raman fiber laser with random distributed feedback operating beyond 1.5  μm

Ivan A. Lobach, Sergey I. Kablukov, and Sergey A. Babin
Opt. Lett. 42(18) 3526-3529 (2017)

Ultra-wide wavelength tuning of a cascaded Raman random fiber laser

Lei Zhang, Huawei Jiang, Xuezong Yang, Weiwei Pan, and Yan Feng
Opt. Lett. 41(2) 215-218 (2016)

Octave-spanning, continuous-wave supercontinuum generation with record power using standard telecom fibers pumped with power-combined fiber lasers

S. Arun, Vishal Choudhury, V. Balaswamy, and V. R. Supradeepa
Opt. Lett. 45(5) 1172-1175 (2020)