Tunable Dual-Wavelength Random Distributed Feedback Fiber Laser With Bidirectional Pumping Source

A stable tunable dual-wavelength random fiber laser is presented in this paper. It is based on the combination of an erbium-doped fiber and a Raman gain amplifier as an active medium and a single-mode fiber as distributed mirror forming a cavity with the fiber Bragg gratings using Rayleigh scatterin...

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Bibliographic Details
Published in:Journal of lightwave technology 2016-09, Vol.34 (17), p.4148-4153
Main Authors: Aporta Litago, Inaki, Perez-Herrera, Rosa Ana, Quintela, Maria Angeles, Lopez-Amo, Manuel, Lopez-Higuera, Jose Miguel
Format: Article
Language:English
Subjects:
Amplification
Bidirectional
Distributed feedback devices
Distributed feedback laser
Erbium-doped fiber lasers
Feedback
Fiber lasers
Fibers
Holes
Laser feedback
Laser stability
multiwavelength laser
Optical fiber amplifiers
Optical fiber sensors
Optical pumping
Raman laser
random fiber laser (RFL)
Rayleigh scattering
tunable laser
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Description
Summary:A stable tunable dual-wavelength random fiber laser is presented in this paper. It is based on the combination of an erbium-doped fiber and a Raman gain amplifier as an active medium and a single-mode fiber as distributed mirror forming a cavity with the fiber Bragg gratings using Rayleigh scattering as random distributed feedback with bidirectional pumping from a unique pump source. An output power instability as low as 0.11 dB has been attained. The 3-dB line-width is 0.13 nm, the optical signal-to-noise ratio is up to 50 dB and the dual-wavelength tunable band is over 9 nm.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2016.2585742