Picosecond strain dynamics in Ge$_{2}$Sb$_{2}$Te$_{5}$ monitored by time-resolved x-ray diffraction

Paul Fons, Peter Rodenbach, Kirill V. Mitrofanov +9

All-optical detection of periodic structure of chalcogenide superlattice using coherent folded acoustic phonons

Takara Suzuki, Yuta Saito, Paul Fons +3

The paper demonstrates an all‑optical pump‑probe method that detects coherent folded longitudinal acoustic phonons to non‑destructively determine the layer thickness and intermixin…

Ultrafast Dynamics of Electron-phonon Coupling in Transition-metal Dichalcogenides

Kotaro Makino, Yuta Saito, Shuuto Horii +6

Sub-nanometre resolution of atomic motion during electronic excitation in phase-change materials

Kirill V. Mitrofanov, Paul Fons, Kotaro Makino +16

Polarization Dependent Optical Control of Atomic Arrangement in Multilayer Ge-Sb-Te Phase Change Materials

Kotaro Makino, Junji Tominaga, Alexander V. Kolobov +2

Zener Tunneling Breakdown in Phase-Change Materials Revealed by Intense Terahertz Pulses

Yasuyuki Sanari, Takehiro Tachizaki, Yuta Saito +8

A cascading nonlinear magneto-optical effect in topological insulators

Richarj Mondal, Yuta Saito, Yuki Aihara +5

Coherent gigahertz phonons in Ge$_{2}$Sb$_{2}$Te$_{5}$ phase-change materials

Muneaki Hase, Paul Fons, Alexander V. Kolobov +1

Photon Energy Dependence of Kerr Rotation in Chalcogenide Superlattices

Takara Suzuki, Richarj Mondal, Yuta Saito +5

Coherent Dirac plasmons in topological insulators

Richarj Mondal, Akira Arai, Yuta Saito +4

Femtosecond structural transformation of phase-change materials far from equilibrium monitored by coherent phonons

Muneaki Hase, Paul Fons, Kirill Mitrofanov +2

A topological phase buried in a chalcogenide superlattice monitored by a helicity dependent Kerr measurement

Richarj Mondal, Yuki Aihara, Yuta Saito +4

The paper experimentally probes the topological insulating behavior of GeTe/Sb₂Te₃ chalcogenide superlattices using helicity‑dependent time‑resolved Kerr measurements, revealing a…

Coherent phonon study of (GeTe)$_{l}$(Sb$_{2}$Te$_{3}$)$_{m}$ interfacial phase change memory materials

Kotaro Makino, Yuta Saito, Paul Fons +4