1720-nm narrow-linewidth all-fiber ring laser based on thulium-doped fiber
AffiliationUniv Arizona, Coll Opt Sci
MetadataShow full item record
PublisherSPIE-INT SOC OPTICAL ENGINEERING
CitationZhang, J., Sheng, Q., Sun, S., Shi, C., Fu, S., Shi, W., & Yao, J. (2020, February). 1720-nm narrow-linewidth all-fiber ring laser based on thulium-doped fiber. In Fiber Lasers XVII: Technology and Systems (Vol. 11260, p. 112600V). International Society for Optics and Photonics.
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AbstractA 1720-nm thulium-doped all-fiber laser based on a ring-cavity configuration is demonstrated. The long-wavelength lasing near the 1.9-mu m thulium emission peak was suppressed using a wavelength division multiplexer and single-mode-multimode-single-mode (SMS) fiber device, which together served as a short-pass filter instead of the grating devices usually used in 1.7-mu m thulium fiber lasers. A stable hundred-milliwatt-level 1720-nm laser output with a narrow spectral linewidth on the order of gigahertz was obtained after optimizing the output coupling, the active fiber length and the SMS device.
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