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We demonstrated a silica-based Raman all-fiber amplifier delivering as much as 14.3W of output power at a wavelength of 2147nm. The conversion efficiency for the Raman fiber amplifier was 38.5% from 1963nm to 2147nm.
Power scaling of narrow-linewidth thulium-doped fiber superfluorescent source with wavelength tunable from 1940∼2010nm is reported. The all-fiber superfluorescent source yielded 364W of output power at central wavelength of 1980nm with 3dB spectral bandwidth of 1.9nm.
We demonstrated a high-power narrow-linewidth thulium-doped all-fiber laser based on master-oscillator power-amplifier. The amplifier yielded 342 W of narrow-linewidth laser output at central wavelength of 2000.3 nm with 3 dB spectral bandwidth of 90 pm.
We demonstrated a high-power single-frequency, single-polarization, thulium-doped all-fiber MOPA system. The linearly-polarized thulium-doped fiber MOPA yielded 192 W of single-frequency output at central wavelength of 2001 nm with a polarization extinction ratio of >15 dB.
Mid-infrared supercontinuum of 8.1 W with optical-to-optical conversion efficiency of ∼76% with respect to the launched pump power at 2 µm wavelength was demonstrated in a ZBLAN fiber pumped by a thulium-doped all-fiber amplifier.
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