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Thermal effects of Brillouin gain spectra in single-mode fibers

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3 Author(s)
Kurashima, T. ; NTT Transmission Syst. Lab., Ibaraki, Japan ; Horiguchi, T. ; Tateda, M.

Brillouin gain spectra in two 250-m-long single-mode fibers with GeO/sub 2/-doped core/pure-silica cladding (fiber A) and pure-silica core/F-doped cladding (fiber B) were measured at temperatures ranging from -40 to +60 degrees C at a wavelength of 1.32 mu m. The temperature coefficients of Brillouin frequency shift were found to be 1.17 and 1.33 MHz/ degrees C for fibers A and B, respectively. Temperature coefficients of Brillouin gain bandwidth were found to be -0.12 and -0.10 MHz/ degrees C. These measurements provide useful information for applications of stimulated Brillouin scattering.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:2 ,  Issue: 10 )