A new THz pump–Raman probe technique maps the E(TO1) phonon-polariton dispersion of LiNbO3 and extracts a step-like, frequency-dependent intrinsic phonon damping rate.
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Measuring momentum-resolved dissipation of phonon-polaritons in LiNbO$_3$ with terahertz driving
A new THz pump–Raman probe technique maps the E(TO1) phonon-polariton dispersion of LiNbO3 and extracts a step-like, frequency-dependent intrinsic phonon damping rate.