Dual-wavelength thulium-doped fiber laser assisted by non-adiabatic tapered fiber
A. W. Al-Alimi,M. H. Abu Bakar,N.H. Zainol Abidin,Ahmad Fauzi Abas,Mohammed T. Alresheedi,Mohd Adzir Mahdi +5 more
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TLDR
In this paper, a dual-wavelength ring cavity thulium-doped fiber laser assisted by tapered optical fiber was experimentally demonstrated, where the tapered fiber acted as a comb filter to provide seed signal and limit oscillating modes.Abstract:
A dual-wavelength ring cavity thulium-doped fiber laser (TDFL) assisted by tapered optical fiber was experimentally demonstrated. The tapered optical fiber acted as a comb filter to provide seed signal and limit oscillating modes, which minimized gain competition and ensured stable operation. Lasing thresholds were reached at low pump powers for both single wavelength and dual-wavelength lasing. The single wavelength laser was obtained at 60 mW while dual-wavelength output was obtained at 100 mW. The peaks of the dual-wavelength laser occurred at 1958 nm and 1980 nm with optical signal-to-noise ratio around 67 dB. The maximum power difference between the two peaks was less than 1.2 dB and power fluctuations over a 45-minute period did not exceed 3 dB. The proposed work offers stable dual-wavelength output with excellent performance in 2-μm band using a simple laser configuration. The success of this work further facilitates the deployment of 2-μm fiber lasers for real world applications.read more
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Journal ArticleDOI
Switchable Multi-Wavelength Thulium-Doped Fiber Laser Using Four-Mode Fiber Based Sagnac Loop Filter
Ying Guo,Fengping Yan,Ting Feng,Luna Zhang,Qi Qin,Wenguo Han,Zhuoya Bai,Hong Zhou,Yuping Suo +8 more
TL;DR: In this article, a switchable multi-wavelength thulium-doped fiber laser (TDFL) using a four-mode fiber based Sagnac loop filter was proposed and demonstrated.
Journal ArticleDOI
Wavelength-interval-switchable multi-wavelength thulium-doped fiber laser with a nonlinear dual-pass Mach-Zehnder interferometer filter in 2-μm-band
Ting Feng,Ying Guo,Ying Guo,Fengping Yan,Ting Feng,Qi Qin,Zhuoya Bai,Li Ting,Wenguo Han,Hong Zhou,Yuping Suo +10 more
TL;DR: In this article, a wavelength-interval-switchable multi-wavelength thulium-doped fiber laser (MWTDFL) is proposed and demonstrated, based on a nonlinear dual-pass Mach-Zehnder interferometer (NDP-MZI) filter for the first time.
Journal ArticleDOI
Stable multi-wavelength thulium-doped all-fiber laser incorporating a multi-cavity fabry-perot filter
A. Camarillo-Avilés,Daniel Jauregui-Vazquez,Julian M. Estudillo-Ayala,E. Hernández-Escobar,Juan Manuel Sierra-Hernández,Olivier Pottiez,Manuel Durán-Sánchez,Manuel Durán-Sánchez,Baldemar Ibarra-Escamilla,Miguel Bello-Jiménez +9 more
TL;DR: In this paper, a multi-cavity Fabry-Perot filter was used for multi-wavelength generation from a thulium-doped all-fiber laser.
Journal ArticleDOI
Isolator-free unidirectional dual-wavelength thulium-doped fiber laser assisted by a two-mode fiber filter
TL;DR: In this paper, a switchable, thulium-doped, isolator-free fiber laser is proposed and demonstrated using a theta cavity design, a two-mode fiber filter and nonlinear polarization rotation, respectively.
Journal ArticleDOI
Wavelength-interval-switchable multi-wavelength thulium-doped fiber laser with a nonlinear dual-pass Mach-Zehnder interferometer filter in 2-μm-band
TL;DR: In this paper , a wavelength-interval switchable multi-wavelength thulium-doped fiber laser (MWTDFL) is proposed and demonstrated, based on a nonlinear dual-pass Mach-Zehnder interferometer (NDP-MZI) filter for the first time.
References
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Coherent laser radar at 2μm using solid - state lasers
Abstract: The development of a coherent laser radar system using 2- mu m Tm- and Tm, Ho-doped solid-state lasers, which is useful for the remote range-resolved measurement of atmospheric winds, aerosol backscatter, and differential absorption lidar (DIAL) measurements of atmospheric water vapor and CO/sub 2/ concentrations, is described. Measurements made with the 2- mu m coherent laser radar system, advances in the laser technology, and atmospheric propagation effects on 2- mu m coherent lidar performance are discussed. Results include horizontal atmospheric wind measurements to >20 km. vertical wind measurements to >5 km, near-horizontal cloud returns to 100 km, and hard target (mountainside) returns from 145 km. >
Journal ArticleDOI
Coherent laser radar at 2 mu m using solid-state lasers
Sammy W. Henderson,Paul Suni,Charley P. Hale,Stephen M. Hannon,James R. Magee,D.L. Bruns,E.H. Yuen +6 more
TL;DR: The development of a coherent laser radar system using 2- mu m Tm- and Tm, Ho-doped solid-state lasers, which is useful for the remote range-resolved measurement of atmospheric winds, aerosol backscatter, and differential absorption lidar (DIAL) measurements of atmospheric water vapor and CO/sub 2/ concentrations, is described.
Journal ArticleDOI
24-line multiwavelength operation of erbium-doped fiber-ring laser
Namkyoo Park,Paul F. Wysocki +1 more
TL;DR: In this paper, an erbium-doped fiber-ring laser with a low-loss cavity, controlled polarization evolution and liquid nitrogen cooling was used to achieve simultaneous lasing at up to 24 wavelengths.
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Multiwavelength erbium-doped fibre laser using intracavity etalon and cooled by liquid nitrogen
Shinji Yamashita,Kazuo Hotate +1 more
TL;DR: In this article, the authors reported simultaneous oscillation of 17 0.8 nm spliced wavelengths from a Fabry-Perot (FP) erbium doped fiber laser.
Journal ArticleDOI
Multiwavelength fiber laser sources with Bragg-grating sensor multiplexing capability
TL;DR: In this paper, two erbium-doped fiber ring laser (EDFRLs) with simultaneous emission at four different wavelengths are demonstrated, where the sensing capability of the fiber Bragg gratings has been taken advantage of, allowing for the sources to be used as sensor multiplexing schemes.