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We propose and demonstrate a novel hybrid Brillouin/erbium fiber laser that uses both Brillouin gain in singlemode optical fiber and gain in erbium-doped fiber. The lasing frequency was accurately determined by the Brillouin shift in single-mode optical fiber and was 10.35 GHz from the Brillouin pump. Large powers could be extracted because of incorporation of erbium-doped fiber in the laser resonator. An output power of 10 mW was measured at a wavelength of 1532 nm.

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