Z. W. Lu*, D. X. Ba, C. Y. Zhu, and W. L. J. Hasi
National Key Laboratory of Science and Technology of Tunable Laser, Harbin Institute of Technology,
Harbin 150080, China
*e-mail: zw_lu@sohu.com
Received May 18, 2012; in final form, July 2, 2012; published online October 1, 2012
Abstract—Intrinsic Brillouin linewidth is one of the essential parameters to optimize the gain spectrum of
stimulated Brillouin scattering (SBS). A novel method for the measurement of the intrinsic Brillouin linewidth
based on SBS slow light is proposed and demonstrated. In this method, an implicit model based on the transient
SBS theory is developed, and a data processing method is designed to obtain the value of the intrinsic Brillouin
linewidth from the model. The measured results show that the method is effective for studying SBS slow light.
DOI: 10.1134/S1054660X12110102
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