Author:
Jiang Kui,Yang Changsheng,Zhao Qilai,Gu Quan,Li Jialong,Jiang Wanpeng,Deng Chunlan,Peng Yan,Zhou Kaijun,Feng Zhouming,Yang Zhongmin,Xu Shanhui
Abstract
Abstract
Based on a fiber Fabry–Pérot tunable filter and a 3.0 m long unpumped gain fiber for forming dynamic grating, an in-band pumped tunable Tm3+-doped single-frequency fiber laser covering a wavelength tuning range from 1857.01 to 2020.17 nm and a tuning interval of <0.43 nm is demonstrated experimentally. Additionally, the laser linewidths of <500 Hz and the relative intensity noises of < −145 dB Hz−1 at frequencies over 1 MHz are obtained. To date, it is the broadest wavelength tuning range that has been reported in the 2 μm region, which is highly competitive in atmospheric detection.
Funder
Independent Research Project of State Key Lab of Luminescent Materials and Devices, South China University Of Technology
Key-Area Research and Development Program of Guangdong Province
Major Program of the National Natural Science Foundation of China
NSFC
Fundamental Research Funds for the Central Universities
Leading talents of science and technology innovation of Guangdong Special Support Plan Program
China Postdoctoral Science Foundation
Guangdong Basic and Applied Basic Research Foundation
Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program
Subject
General Physics and Astronomy,General Engineering
Cited by
3 articles.
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