Chiral spintronics

SH Yang, R Naaman, Y Paltiel, SSP Parkin - Nature Reviews Physics, 2021 - nature.com
As spins move through a chiral electric field, the resulting spin current can acquire chirality
through a spin–orbit interaction. Such spin currents are highly useful in creating spin–orbit …

Terahertz light–driven coupling of antiferromagnetic spins to lattice

EA Mashkovich, KA Grishunin, RM Dubrovin… - Science, 2021 - science.org
Understanding spin-lattice coupling represents a key challenge in modern condensed
matter physics, with crucial importance and implications for ultrafast and two-dimensional …

Optical generation of strong-field terahertz radiation and its application in nonlinear terahertz metasurfaces

Z Ma, P Li, S Chen, X Wu - Nanophotonics, 2022 - degruyter.com
Extremely nonlinear terahertz (THz)-matter interactions and applications have positioned
themselves as the next frontier in quantum information, nonlinear optics, and particle …

Antiferromagnetic–Ferromagnetic Heterostructure‐Based Field‐Free Terahertz Emitters

X Wu, H Wang, H Liu, Y Wang, X Chen… - Advanced …, 2022 - Wiley Online Library
Recently, ferromagnetic‐heterostructure spintronic terahertz (THz) emitters have been
recognized as one of the most promising candidates for next‐generation THz sources …

Generation and manipulation of chiral terahertz waves in the three-dimensional topological insulator Bi2Te3

H Zhao, X Chen, C Ouyang, H Wang… - Advanced …, 2020 - spiedigitallibrary.org
Arbitrary manipulation of broadband terahertz waves with flexible polarization shaping at the
source has great potential in expanding numerous applications, such as imaging …

Extreme terahertz magnon multiplication induced by resonant magnetic pulse pairs

C Huang, L Luo, M Mootz, J Shang, P Man, L Su… - Nature …, 2024 - nature.com
Nonlinear interactions of spin-waves and their quanta, magnons, have emerged as
prominent candidates for interference-based technology, ranging from quantum transduction …

Experimental observation of optically generated unipolar electromagnetic precursors

IE Ilyakov, BV Shishkin, ES Efimenko, SB Bodrov… - Optics …, 2022 - opg.optica.org
It was recently predicted [Phys. Rev. A95 (6), 063817 (2017) 10.1103/PhysRevA.
95.063817] that an intense femtosecond laser pulse propagating in an electro-optic crystal …

Observation of terahertz-induced dynamical spin canting in orthoferrite magnon by magnetorefractive probing

T Kurihara, M Bamba, H Watanabe… - Communications …, 2023 - nature.com
Intense terahertz pulses offer unique pathway to resonantly drive the correlated spin
systems up to the nonlinear regime. However, detection of such nonlinear spin dynamics …

Terahertz-field-driven magnon upconversion in an antiferromagnet

Z Zhang, FY Gao, YC Chien, ZJ Liu, JB Curtis… - Nature Physics, 2024 - nature.com
Excitation and nonlinear control of lattice vibrations with light has become a powerful
method to manipulate the properties of quantum materials out of equilibrium. Generalizing …

Flexible generation of structured terahertz fields via programmable exchange-biased spintronic emitters

S Wang, W Qin, T Guan, J Liu, Q Cai, S Zhang, L Zhou… - eLight, 2024 - Springer
Structured light, particularly in the terahertz frequency range, holds considerable potential
for a diverse range of applications. However, the generation and control of structured …