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.
© 2012 Chinese Optics Letters
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