22 citations · 61 across the 12 of their papers we have counts for
13 papers
Nonthermal nonlinear many-body excitonic dynamics in high-purity silicon
Patrick Pilch, Siyu Duan, Yang Liu +3
We report time-resolved optical pump-terahertz third-harmonic generation spectroscopy of picosecond nonthermal many-body charge dynamics in high-purity silicon at room temperature.…
Magnetization processes and spin dynamics across field-induced phase transitions in the quasi-two-dimensional quantum magnet Cu(OH)Br
Anneke Reinold, Dirk Wulferding, Laur Peedu +13
We present magnetic-field-dependent evolution of magnetization and spin dynamics in the quasi-two-dimensional spin- magnet , consisting of alternately c…
Giant enhancement of terahertz high-harmonic generation by cavity engineering of a three-dimensional Dirac semimetal
Siyu Duan, Lili Shi, Patrick Pilch +7
We report on time-resolved ultrafast terahertz high-harmonic generation of strong field driven-dynamics of many-body Dirac fermions. We demonstrate an experimental realization of n…
Terahertz third-harmonic generation of lightwave driven Weyl fermions far from equilibrium
Patrick Pilch, Changqing Zhu, Sergey Kovalev +4
We report on time-resolved ultrafast terahertz third-harmonic generation spectroscopy of nonequilibrium dynamics of Weyl fermions in a nanometer thin film of the Weyl semimetal TaP…
Quantum spin dynamics of the honeycomb magnet KCoTeO in high magnetic fields
Patrick Pilch, Laur Peedu, Urmas Nagel +6
We present terahertz spectroscopic measurements of quantum spin dynamics in the honeycomb magnet KCoTeO as a function of temperature, polarization and in an external ma…
Distinct terahertz third-harmonic generation of many-body excitonic states
Changqing Zhu, Anneke Reinold, Patrick Pilch +6
The dynamics of an electron-hole plasma governed by strong Coulomb interaction is a challenging many-body problem.We report on experimental realization of electron-hole many-body s…
Terahertz electro-optic Kerr effect in LaAlO3
Sergey Kovalev, Changqing Zhu, Anneke Reinold +9
In this letter, we investigate the terahertz (THz) electro-optic Kerr effect (KE) dynamics in LaAlO3 (LAO), a widely used substrate for thin film preparation. We show that the KE d…
Low-energy spin excitations in field-induced phases of the spin-ladder antiferromagnet BiCuPO
Patrick Pilch, Kirill Amelin, Gary Schmiedinghoff +13
We report on terahertz spectroscopic measurements of quantum spin dynamics on single crystals of a spin-1/2 frustrated spin-ladder antiferromagnet BiCuPO as a function of t…
Ultrafast unidirectional spin Hall magnetoresistance driven by terahertz light field
Ruslan Salikhov, Igor Ilyakov, Anneke Reinold +11
The ultrafast control of magnetisation states in magnetically ordered systems is a key technological challenge for developing memory devices operable at picosecond timescales or te…
Population inversion and ultrafast terahertz nonlinearity of transient Dirac fermions in CdAs
Changqing Zhu, Patrick Pilch, Renato M. A. Dantas +7
Harmonic generation provides an efficient tool for the study of ultrafast nonlinear dynamics. We report on time-resolved optical-pump terahertz-harmonic-generation spectroscopic in…
Field and Polarization Dependent Quantum Spin Dynamics in Honeycomb Magnet NaCoTeO: Magnetic Excitations and Continuum
Patrick Pilch, Laur Peedu, Anup Kumar Bera +4
We report terahertz spectroscopic measurements of quantum spin dynamics in the spin-1/2 honeycomb magnet NaCoTeO as a function of applied magnetic field with different…
Ultrafast dynamics of optically excited charge carriers in the room-temperature antiferromagnetic semiconductor -MnTe
Changqing Zhu, Patrick Pilch, Anneke Reinold +6
We report on time-resolved optical and terahertz ultrafast spectroscopy of charge-carrier dynamics in the room-temperature antiferromagnetic semiconductor -MnTe. By optically pu…
High-order nonlinear terahertz probing of the two-band superconductor MgB: Third- and fifth-order harmonic generation
C. Reinhoffer, P. Pilch, A. Reinold +16
We report on high-order harmonic generation in the two-band superconductor MgB driven by intense terahertz electromagnetic pulses. Third- and fifth-order harmonics are resolved…