Ultrafine Frequency Linearly Tunable Single-Frequency Fiber Laser Based on Intracavity Active Tuning

An ultrafine frequency linearly tunable single-frequency fiber laser based on the intracavity active tuning is demonstrated. Single-frequency operation can be achieved by an ultrashort cavity and ultranarrow polarization-maintaining fiber Bragg grating. A sub-nanometer-accuracy piezoelectric ceramic...

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Bibliographic Details
Published inIEEE photonics journal Vol. 12; no. 2; pp. 1 - 6
Main Authors Jin, Lufan, Li, Ruiping, Niu, Liyuan, Yao, Jianquan, Wu, Yonghua, Cao, Mingxuan, Zhong, Zhenggeng, Xu, Linchao, Wang, Kun, Lin, Jixing, Cai, Chengyu, Tong, Xian
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.04.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Cavity resonators
fiber laser
Fiber lasers
Laser applications
Laser tuning
linearly tunable
Optical fiber networks
Optical fibers
Reproducibility
Tunable lasers
Tuning
Ultrafine
Ultrafines
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Summary:An ultrafine frequency linearly tunable single-frequency fiber laser based on the intracavity active tuning is demonstrated. Single-frequency operation can be achieved by an ultrashort cavity and ultranarrow polarization-maintaining fiber Bragg grating. A sub-nanometer-accuracy piezoelectric ceramic actuator with closed-loop mode has been employed to realize the cavity-length active tuning scheme, which can achieve a linear tuning range of >1 GHz with a 3.2-MHz/nm tuning resolution. The periodic tuning repeatability and repeat accuracy show that the scheme can realize linear frequency tuning with great tuning repeatability and high tuning precision.
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ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2019.2950434