Experimental and theoretical study of the Brillouin linewidth and frequency at low temperature in standard single-mode optical fibres

摘要

We have carried out stimulated-Brillouin-scattering experiments using the pump-probe technique in a standard single-mode optical fibre for temperatures ranging from 80 to 350 K at a pump wavelength of 1.55 μm. Measurements of the internal friction and Brillouin frequency shift are given. The 'tunnelling model' is used to fit our results.