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Brillouin dynamic grating (BDG) represents an acoustic phonon generated by stimulated Brillouin scattering (SBS) of pump waves in one polarization which plays a role of reflection grating for probe wave at different optical frequency orthogonally polarized to the pump. Since the optical frequency offset between the pump and probe waves, called BDG frequency, is determined by the birefringence of the...
Temperature dependencies of the Brillouin dynamic grating (BDG) spectra in polarization-maintaining fibers (PMF's) are rigorously investigated. PANDA fiber, Bow-tie fiber, and PM photonic crystal fiber (PM-PCF) with different parameters are tested in the temperature range of −30 to +150 °C, where the linear and nonlinear temperature dependencies are quantified for each fiber. It is observed that bare...
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