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cond-mat.mtrl-sci2022
Low-frequency Phonon at Perovskite Oxide Interface Studied by Surface-specific Nonlinear Terahertz Spectroscopy
Jiaming Le, Yudan Su, Junying Ma +4
The low-frequency collective excitations, which often occur in the terahertz or multi-terahertz spectral region, play an essential role in many novel emergent phenomena. Despite nu…
cond-mat.mtrl-sci2007★ 99 cited
Nonlinear Optical Spectroscopy of Photonic Metamaterials
Evgenia Kim, Feng Wang, Wei Wu +2
We have obtained spectra of second-harmonic generation, third harmonic generation, and four-wave mixing from a fishnet metamaterial around its magnetic resonance. The resonant beha…