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

Zihao Zhao; Xiaolei Li; Yue Li; Huabao Qin; Hushan Wang; Yiyang Luo; Zhijun Yan; Qizhen Sun; Deming Liu; Lin Zhang

doi:10.1364/AO.57.009270

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

Zihao Zhao, Xiaolei Li, Yue Li, Huabao Qin, Hushan Wang, Yiyang Luo, Zhijun Yan^*, Qizhen Sun, Deming Liu, Lin Zhang

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

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%.

Original language	English
Pages (from-to)	9270-9274
Number of pages	5
Journal	Applied Optics
Volume	57
Issue number	31
Early online date	25 Oct 2018
DOIs	https://doi.org/10.1364/AO.57.009270
Publication status	Published - 1 Nov 2018

Bibliographical note

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: https://doi.org/10.1364/AO.57.009270. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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10.1364/AO.57.009270

Multiwavelength Er-doped fiber laser using an all-fiber Lyot filter
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: https://doi.org/10.1364/AO.57.009270. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Cite this

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title = "Multiwavelength Er-doped fiber laser using an all-fiber Lyot filter",

abstract = "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%.",

author = "Zihao Zhao and Xiaolei Li and Yue Li and Huabao Qin and Hushan Wang and Yiyang Luo and Zhijun Yan and Qizhen Sun and Deming Liu and Lin Zhang",

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AU - Li, Yue

AU - Qin, Huabao

AU - Wang, Hushan

AU - Luo, Yiyang

AU - Yan, Zhijun

AU - Sun, Qizhen

AU - Liu, Deming

AU - Zhang, Lin

N1 - 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: https://doi.org/10.1364/AO.57.009270. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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N2 - 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%.

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

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