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Proceedings Paper

Switchable and tunable dual-wavelength Er-doped fiber ring laser with single-frequency lasing wavelengths
Author(s): Haiwei Zhang; Wei Shi; Xiaolei Bai; Quan Sheng; Lifang Xue; Jianquan Yao
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Paper Abstract

We obtain a switchable and tunable dual-wavelength single-frequency Er-doped ring fiber laser. In order to realize single-longitudinal output, two saturable-absorber-based tracking narrow-band filters are formed in 3- meter-long unpumped Er-doped fiber to narrow the linewidth via using the PM-FBG as a reflection filter. The maximum output power is 2.11 mW centered at 1550.16 nm and 1550.54 nm when the fiber laser operates in dual-wavelength mode. The corresponding linewidths of those two wavelengths are measured to be 769 Hz and 673 Hz, respectively. When the temperature around the PM-FBG is changed from 15 °C to 55 °C, the dual-wavelength single-frequency fiber laser can be tuned from 1550.12 nm to 1550.52 nm and from 1550.49 nm to 1550.82 nm, respectively.

Paper Details

Date Published: 26 February 2018
PDF: 7 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105122C (26 February 2018);
Show Author Affiliations
Haiwei Zhang, Tianjin Univ. of Technology (China)
Tianjin Univ. (China)
Wei Shi, Tianjin Univ. (China)
Xiaolei Bai, Tianjin Univ. (China)
Quan Sheng, Tianjin Univ. (China)
Lifang Xue, Tianjin Univ. of Technology (China)
Jianquan Yao, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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