Wavelength-tunable L-band mode-locked fiber laser using a long-period fiber grating

Abstract

We demonstrate an L-band wavelength-tunable passively mode-locked fiber laser using a single long-period fiber grating (LPFG) as a narrow-band optical attenuator (NBOA). Through bending the LPFG, the central wavelength can be continuously tuned from 1582.02 to 1597.29 nm, while the output power only varies from 1.465 to 1.057 mW, approximately a rate of 22 µW/nm variation. This is the first time that LPFG is functioned as a NBOA in mode-locked fiber lasers, showing the great advantage of less impact on output power variation reduction. Besides, the total cavity length is 5.08 m, which is the shortest length yet reported in wavelength-tunable mode-locked fiber lasers. The wavelength tuning could also be realized at harmonic mode locking with tuning range of 14.69 nm under 5th harmonic.

Publication DOI: https://doi.org/10.1364/OE.433298
Divisions: College of Engineering & Physical Sciences > School of Informatics and Digital Engineering > Electrical and Electronic Engineering
College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences
Additional Information: © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Funding: National Key Research and Development Program of China (2020YFB1805800); National Natural Science Foundation of China (61605107, 61975107); Overseas Expertise Introduction Project for Discipline Innovation (D20031); Natural Science Foundation of Shanghai (20ZR1471500).
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link:
Related URLs: https://www.osa ... =oe-29-17-26332 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2021-08-16
Published Online Date: 2021-08-02
Accepted Date: 2021-07-19
Authors: Jiang, Junjie
Huang, Qianqian
Ma, Yuehui
Liao, Dandan
Huang, Zinan
Dai, Lilong
Liu, Yunqi
Mou, Chengbo
Araimi, Mohammed Al
Rozhin, Alex (ORCID Profile 0000-0003-2271-8227)

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