Time-domain brillouin scattering

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Out-of-plane longitudinal sound velocity in SnS₂ determined via broadband time-domain Brillouin scattering

2022
Here we report time-resolved broadband transient reflectivity measurements performed in a single crystal of SnS2. We made use of time-domain Brillouin scattering and a broadband probe to measure the out-of-plane longitudinal sound velocity vL = (2950 ± 100) m s−1, in this semiconducting two-dimensional transition metal dichalcogenide.
Cheng, Meixin +4 more
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Theoretical and experimental study on PRBS time-domain characteristic effects: stimulated Brillouin scattering in silica-based optical fiber

Applied Optics
In this paper, we theoretically and experimentally investigate the impact of pseudo-random binary sequence (PRBS) time-domain characteristics on the properties of stimulated Brillouin scattering (SBS) in silica-based optical fiber. It is shown that, when PRBS-modulated injection lasers at the front end in optical fibers reach the SBS threshold, the SBS-
Kai Yuan Wang +4 more
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Forward and Backward Raman Amplification of Brillouin Scattering Signal in Brillouin Optical Time Domain Reflectometer System