All-Fiber 2.05-<inline-formula> <tex-math notation="TeX">\(\mu \) </tex-math></inline-formula>m Continuous-Wave Ytterbium–Holmium Laser Pumped at 1.064 <inline-formula> <tex-math notation="TeX">\(\mu \) </tex-math></inline-formula>m

Abstract

An Yb3+, Ho3+ codoped all-fiber laser oscillating at ~2.05 μm in continuous-wave, employing a novel pump version, 1.064 μm, is reported. Low threshold (~0.8 W) and moderate slope efficiency (~15.6%) of lasing are obtained in the simplest nonoptimized Fabry-Perot cavity, composed of a couple of spectrally adjusted fiber Bragg gratings. High brightness of ~2… (More)

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