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Tunable and switchable dual-wavelength erbium-doped fiber laser based on in-line tapered fiber filters

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Abstract

A tunable and switchable dual-wavelength erbium-doped fiber laser (EDFL) based on all-fiber single-mode tapered fiber structure has been demonstrated. By adjusting the variable optical attenuator (VOA), the laser can be switched between the single-wavelength mode and the dual-wavelength mode. When the temperature applied on the tapered fiber structure varies, the pass-band varies and the wavelength of the output laser shifts correspondingly. When the temperature changes from 30 °C to 180 °C, the central wavelength of the EDFL generated by branch A shifts from 1 550.7 nm to 1 560.3 nm, while that of branch B shifts from 1 530.8 nm to 1 540.4 nm, indicating the wavelength interval is tunable. These advantages enable this laser to be a potential candidate for high-capacity wavelength division multiplexing systems and mechanical sensors.

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Authors and Affiliations

  1. Tianjin Key Laboratory of Film Electronic and Communication Devices, Tianjin University of Technology, Tianjin, 300384, China

    Zheng-rong Tong  (童峥嵘), He Yang  (杨贺) & Ye Cao  (曹晔)

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  1. Zheng-rong Tong  (童峥嵘)
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  2. He Yang  (杨贺)
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  3. Ye Cao  (曹晔)
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Corresponding author

Correspondence to He Yang  (杨贺).

Additional information

This work has been supported by the National High Technology Research and Development Program of China (No.2013AA014201), and the Tianjin Youth Science Foundation (No.13JCQNJC01800).

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Tong, Zr., Yang, H. & Cao, Y. Tunable and switchable dual-wavelength erbium-doped fiber laser based on in-line tapered fiber filters. Optoelectron. Lett. 12, 264–267 (2016). https://doi.org/10.1007/s11801-016-6088-0

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  • DOI: https://doi.org/10.1007/s11801-016-6088-0

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