Excessively tilted fiber grating based Fe3O4 saturable absorber for passively mode-locked fiber laser

Abstract

A novel approach to saturable absorber (SA) formation is presented by taking advantage of the mode coupling property of excessively tilted fiber grating (Ex-TFG). Stable mode-locked operation can be conveniently achieved based on the interaction between Ex- TFG coupled light and deposited ferroferric-oxide (Fe3O4) nanoparticles. The central wavelength, bandwidth and single pulse duration of the output are 1595 nm, 4.05 nm, and 912 fs, respectively. The fiber laser exhibits good long-term stability with signal-to-noise ratio (SNR) of 67 dB. For the first time, to the best of our knowledge, Ex-TFG based Fe3O4 SA for mode-locked fiber laser is demonstrated.

Publication DOI: https://doi.org/10.1364/OE.27.015693
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... =oe-27-11-15693 (Publisher URL)
PURE Output Type: Article
Published Date: 2019-05-17
Accepted Date: 2019-05-09
Authors: Wang, Hushan
Zhao, Fengyan
Yan, Zhijun
Hu, Xiaohong
Zhou, Kaiming ( 0000-0002-6011-1912)
Zhang, Ting
Zhang, Wei ( 0000-0002-3584-8541)
Wang, Yishan
Zhao, Wei
Zhang, Lin ( 0000-0002-1691-5577)
Sun, Chuandong

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