Multiwavelength Er-doped fiber laser using an all-fiber Lyot filter


We experimentally demonstrated a multiwavelength Er-doped fiber ring laser system by employing an all-fiber Lyot filter (AFLF) and a highly nonlinear fiber (HNLF). The AFLF was employed as a polarizing filter to generate a nonlinear polarization rotation effect and the highly dense and narrow bandwidth comb-like channels. A 1-km-long HNLF was used to enhance the nonlinearity of the laser cavity and suppress the mode competition for multiwavelength operation. In the experiment, 97 laser output channels within a 3 dB bandwidth simultaneously were excited under 224 mW pump power. The power fluctuation of lasing channels was less than 0.182 dB, and the wavelength shift was less than 0.04 nm in 100 min, after treating the AFLF in a thermostatic ice bath. Meanwhile, the output laser was highly polarized with a degree of polarization up to 99.9%.

Publication DOI:
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Additional Information: This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics,Electrical and Electronic Engineering
Publication ISSN: 2155-3165
Last Modified: 18 Mar 2024 08:26
Date Deposited: 03 Dec 2018 15:46
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... i=ao-57-31-9270 (Publisher URL)
PURE Output Type: Article
Published Date: 2018-11-01
Published Online Date: 2018-10-25
Accepted Date: 2018-10-02
Authors: Zhao, Zihao
Li, Xiaolei
Li, Yue
Qin, Huabao
Wang, Hushan
Luo, Yiyang
Yan, Zhijun
Sun, Qizhen
Liu, Deming
Zhang, Lin (ORCID Profile 0000-0002-1691-5577)



Version: Accepted Version

| Preview

Export / Share Citation


Additional statistics for this record