Switchable dual-wavelength erbium-doped fibre laser utilizing two-channel fibre Bragg grating fabricated by femtosecond laser

Shen, Fangcheng, Zhou, Kaiming, Zhang, Lin and Shu, Xuewen (2016). Switchable dual-wavelength erbium-doped fibre laser utilizing two-channel fibre Bragg grating fabricated by femtosecond laser. Laser Physics, 26 (10),

Abstract

We propose and demonstrate a switchable dual-wavelength erbium-doped fibre ring laser. Competition between the lasing wavelengths in erbium-doped fibre laser at room temperature is suppressed by incorporating a two-channel fibre Bragg grating (TC-FBG), which consists of two highly localized sub-gratings fabricated by femtosecond laser in single mode fibre. Wavelengths and polarization states of the lasing lines are selected by the TC-FBG. Laser output can be switched between single- and dual-wavelength operations by simply adjusting the polarization controller. Stable dual-wavelength output is verified at room temperature with a power fluctuation less than 0.27 dB, and wavelength fluctuation less than 0.004 nm.

Publication DOI: https://doi.org/10.1088/1054-660X/26/10/105103
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: © IOP
Uncontrolled Keywords: erbium doped fiber lasers,fiber Bragg gratings,multiwavelength laser,Atomic and Molecular Physics, and Optics,Instrumentation,Condensed Matter Physics,Industrial and Manufacturing Engineering
Full Text Link: http://iopscien ... 0X/26/10/105103
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2016-09-08
Authors: Shen, Fangcheng
Zhou, Kaiming ( 0000-0002-6011-1912)
Zhang, Lin ( 0000-0002-1691-5577)
Shu, Xuewen

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