3 papers
cond-mat.mtrl-sci2026
Measuring momentum-resolved dissipation of phonon-polaritons in LiNbO with terahertz driving
Megan F. Biggs, Rossella Acampora, Niccolò Sellati +5
Mapping the dispersion of polaritons, hybrid quasiparticles arising from light-matter coupling, can provide key insights into the material dielectric response, coupling strength, a…
cond-mat.mes-hall2025
Ultrafast Faraday Rotation Probe of Chiral Phonon-Polaritons in LiNbO3
Megan F. Biggs, Sin-hang, Ho +4
Time reversal symmetry breaking motion of chiral phonon-polaritons in LiNbO3 is probed via the ultrafast Faraday effect. By combining a pair of perpendicularly polarized THz pulses…
cond-mat.mtrl-sci2023
Optimal Routes to Ultrafast Polarization Reversal in Ferroelectric LiNbO3
R. Tanner Hardy, Conrad Rosenbrock, Gus L. W. Hart +1
We use the frozen phonon method to calculate the anharmonic potential energy surface and to model the ultrafast ferroelectric polarization reversal in LiNbO3 driven by intense puls…