Switchable and tunable dual-wavelength Er-doped fiber ring laser with single-frequency lasing wavelengths

Haiwei Zhang; Wei Shi; Xiaolei Bai; Quan Sheng; Lifang Xue; Jianquan Yao

doi:10.1117/12.2289102

26 February 2018 Switchable and tunable dual-wavelength Er-doped fiber ring laser with single-frequency lasing wavelengths

Haiwei Zhang, Wei Shi, Xiaolei Bai, Quan Sheng, Lifang Xue, Jianquan Yao

Author Affiliations +

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105122C (2018) https://doi.org/10.1117/12.2289102
Event: SPIE LASE, 2018, San Francisco, California, United States

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.

Citation Download Citation

Haiwei Zhang, Wei Shi, Xiaolei Bai, Quan Sheng, Lifang Xue, and Jianquan Yao "Switchable and tunable dual-wavelength Er-doped fiber ring laser with single-frequency lasing wavelengths", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105122C (26 February 2018); https://doi.org/10.1117/12.2289102

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