Brillouin amplification and lasing in a single-mode AS2Se3 chalcogenide fiber

Brillouin amplification and lasing are demonstrated in a single-mode AS(2)Se(3) chalcogenide fiber. A Brillouin gain of 42 dB was measured in a 4.9 m long fiber for a pump power of 68 mW at a 1.56 mu m wavelength. In addition, a compact AS2Se3 fiber-based Brillouin laser with a threshold power of 35 mW and a slope efficiency of 38% for nonresonant pumping is demonstrated. (c) 2006 Optical Society of America.