20 February 2007 Measurement of the stimulated Brillouin scattering gain coefficient of a phosphate fiber
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Abstract
We report the first measurement of the stimulated Brillouin scattering (SBS) gain coefficient of a phosphate fiber. Using single-pass amplification of spontaneous Brillouin scattering noise, we measured an SBS gain coefficient of 2.1 × 10-11 m/W in a 124.5-cm single-mode Yb3+-doped phosphate fiber. This is a factor of two less than the SBS gain coefficient of silica fiber, which puts phosphate glass fiber at an advantage for high-power applications.
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Y. W. Lee, K. E. Urbanek, M. J. F. Digonnet, R. L. Byer, S. Jiang, "Measurement of the stimulated Brillouin scattering gain coefficient of a phosphate fiber", Proc. SPIE 6469, Optical Components and Materials IV, 64690L (20 February 2007); doi: 10.1117/12.714310; https://doi.org/10.1117/12.714310
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