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Ultrafast internal dynamics of chiral domain walls probed by time-resolved XRMS
Dmitriy Ksenzov, Flavio Capotondi, Nicolas Jaouen +7
We measure picosecond dynamics of labyrinthine stripe domains with chiral Néel-type domain walls using time-resolved x-ray resonant magnetic scattering (XRMS). At the stripe-domai…
Ultrafast excitation of Bloch plasmon polaritons in hyperbolic metamaterials with an extreme ultra-violet transient grating
Tlek Tapani, Hannes Kempf, Matteo Pancaldi +14
Manipulating materials properties with light drives advances in materials science and photonics. Hyperbolic metamaterials are promising candidates as next-generation quantum optica…
Single-shot imaging with randomized structured illumination at a free electron laser
Abraham L. Levitan, Kahraman Keskinbora, Matteo Pancaldi +4
Stroboscopic nanoscale imaging with free electron laser light is revolutionizing our understanding of fast dynamics in heterogeneous systems. The short wavelength of X-ray and extr…
Robust phase correction techniques for terahertz time-domain reflection spectroscopy
Kasturie D. Jatkar, Tien-Tien Yeh, Matteo Pancaldi +1
We introduce a systematic approach that enables two robust methods for performing terahertz time-domain spectroscopy in reflection geometry. Using the Kramers-Kronig relations in c…
Near-zero-index behavior in indium antimonide revealed by phase-corrected terahertz reflection spectroscopy
Kasturie D. Jatkar, Tien-Tien Yeh, Matteo Pancaldi +1
We developed a phase correction method for broadband terahertz time-domain spectroscopy in reflection geometry, which allows us to obtain quantitative and accurate values for the c…