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High-efficiency hybrid brillouin/ytterbium fiber laser
Authors:Peng Zhang  Youen Jiang  Wei Wang  Xuechun Li
Institution:National Laboratory of High Power Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China
Abstract:A high-efficiency hybrid Brillouin/ytterbium fiber laser(BYFL) is demonstrated using a 41.5-cm-long highly ytterbium-doped fiber and a 10-m-long single-mode optical fiber.The BYFL operates at 1 052.92 nm,and the difference between it and the Brillouin pump(BP) wavelength matches the expected stimulated Brillouin scattering(SBS) Stokes shift.Its output power reaches 70.1 mW,which is more than seven times higher than the seeded BP power.The BYFL has an optical signal-to-noise ratio that is greater than 65 dB and has many potential applications,such as in controllable optical delay lines,sensing,and RF photonics.
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