181 citations · 644 across the 16 of their papers we have counts for
18 papers
Twin Domains in Van der Waals Quaternary Oxides
Dorothée S. Mader, Niels Brumby, Xiaosheng Yang +10
Optical anisotropy is the basis for many intriguing phenomena in van der Waals materials, including hyperbolic polaritons and extreme birefringence. Stacking and twisting van der W…
Room-temperature magnon-phonon transduction in high-damping Co/Pt structures
Gauravkumar Patel, Takuma Sato, Maximilian Frenzel +8
Quantum communication and information processing strongly benefit from the coupling between different quasi-particles, offering complementary advantages. Magnetoelastic materials i…
Plasmonic metamaterial time crystal
Tingwen Guo, Jules Sueiro, Gian Marcello Andolina +18
Periodically driven optical materials and metamaterials have recently emerged as a promising platform for realizing photonic time crystals (PTCs), which are systems whose optical p…
About carrier's self-trapping and dynamical Rashba splitting in the two-dimensional hybrid perovskite (BA)(MA)PbI
W. Qi, S. Ponzoni, G. Huitric +13
Time- and Angle-Resolved Photoelectron Spectroscopy (tr-ARPES) is employed to monitor photoexcited electrons in the two-dimensional hybrid perovskite (BA)(MA)PbI…
Disentangling Electronic and Ionic Nonlinear Polarization Effects in the THz Kerr Response of LaAlO
Chao Shen, Maximilian Frenzel, Sebastian F. Maehrlein +1
Nonlinear responses to intense terahertz (THz) fields provide unique insights into complex dynamics of contemporary material systems. However, the interpretation of the obtained da…
THz-Driven Coherent Phonon Fingerprints of Hidden Symmetry Breaking in 2D Layered Hybrid Perovskites
Joanna M. Urban, Michael S. Spencer, Maximilian Frenzel +10
Metal-halide perovskites (MHPs) emerged as a family of novel semiconductors with outstanding optoelectronic properties for applications in photovoltaics and light emission. Recentl…
Observation of angular momentum transfer among crystal lattice modes
Olga Minakova, Carolina Paiva, Maximilian Frenzel +7
Transfer of energy and linear momentum between lattice vibrations via anharmonic coupling is an important concept in solid-state physics. However, it remains difficult to directly…
Electro-Optic Cavities for In-Situ Measurement of Cavity Fields
Michael S. Spencer, Joanna M. Urban, Maximilian Frenzel +5
Cavity electrodynamics offers a unique avenue for tailoring ground-state material properties, excited-state engineering, and versatile control of quantum matter. Merging these conc…
Sum-Frequency Generation Spectro-Microscopy in the Reststrahlen Band of Wurtzite-type Aluminum Nitride
Dorothée S. Mader, Richarda Niemann, Martin Wolf +2
Nonlinear-optical microscopy and spectroscopy provide detailed spatial and spectroscopic contrast, specifically sensitive to structural symmetry and order. Ferroics, in particular,…
Coherent Modulation of Two-Dimensional Moiré States with On-Chip THz Waves
Yiliu Li, Eric A. Arsenault, Birui Yang +11
Van der Waals (vdW) structures of two-dimensional materials host a broad range of physical phenomena. New opportunities arise if different functional layers may be remotely modulat…
Quartz as an Accurate High-Field Low-Cost THz Helicity Detector
Maximilian Frenzel, Joanna M. Urban, Leona Nest +3
The advent of high-field THz sources has opened the field of nonlinear THz physics and unlocked access to fundamental low energy excitations for ultrafast material control. Recent…
Nonlinear THz Control of the Lead Halide Perovskite Lattice
Maximilian Frenzel, Marie Cherasse, Joanna M. Urban +9
Lead halide perovskites (LHPs) have emerged as an excellent class of semiconductors for next-generation solar cells and optoelectronic devices. Tailoring physical properties by fin…
The Ultrafast Kerr Effect in Anisotropic and Dispersive Media
Lucas Huber, Sebastian Maehrlein, Feifan Wang +2
The ultrafast optical Kerr effect (OKE) is widely used to investigate the structural dynamics and interactions of liquids, solutions and solids by observing their intrinsic nonline…
Decoding Ultrafast Polarization Responses in Lead Halide Perovskites by the Two-Dimensional Optical Kerr Effect
Sebastian F. Maehrlein, Prakriti P. Joshi, Lucas Huber +8
The ultrafast polarization response to incident light and ensuing exciton/carrier generation are essential to outstanding optoelectronic properties of lead halide perovskites (LHPs…
Sum-frequency ionic Raman scattering
Dominik M. Juraschek, Sebastian F. Maehrlein
In a recent report sum-frequency excitation of a Raman-active phonon was experimentally demonstrated for the first time. This mechanism is the sibling of impulsive stimulated Raman…
Dissecting spin-phonon equilibration in ferrimagnetic insulators by ultrafast lattice excitation
Sebastian F. Maehrlein, Ilie Radu, Pablo Maldonado +8
To gain control over magnetic order on ultrafast time scales, a fundamental understanding of the way electron spins interact with the surrounding crystal lattice is required. Howev…
Femtosecond formation dynamics of the spin Seebeck effect revealed by terahertz spectroscopy
T. S. Seifert, S. Jaiswal, J. Barker +18
Understanding the transfer of spin angular momentum is essential in modern magnetism research. A model case is the generation of magnons in magnetic insulators by heating an adjace…
Terahertz sum-frequency excitation of a Raman-active phonon
Sebastian Maehrlein, Alexander Paarmann, Martin Wolf +1
In stimulated Raman scattering, two incident optical waves induce a force oscillating at the difference of the two light frequencies. This process has enabled important application…