Terahertz field-induced nonlinear coupling of two magnon modes in an antiferromagnet

Z Zhang, FY Gao, JB Curtis, ZJ Liu, YC Chien… - Nature Physics, 2024 - nature.com
Magnons are quantized collective spin-wave excitations in magnetically ordered materials.
Revealing the interactions among these collective modes is crucial for the understanding of …

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 …

[HTML][HTML] 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 …

Temperature dependence of magnetic excitations: Terahertz magnons above the Curie temperature

HJ Qin, K Zakeri, A Ernst, J Kirschner - Physical Review Letters, 2017 - APS
When an ordered spin system of a given dimensionality undergoes a second order phase
transition, the dependence of the order parameter, ie, magnetization on temperature, can be …

[HTML][HTML] Excitation and detection of coherent sub-terahertz magnons in ferromagnetic and antiferromagnetic heterostructures

S Zhuang, JM Hu - npj Computational Materials, 2022 - nature.com
Excitation of coherent high-frequency magnons (quanta of spin waves) is critical to the
development of high-speed magnonic devices. Here we computationally demonstrate the …

Integrating magnons for quantum information

Z Jiang, J Lim, Y Li, W Pfaff, TH Lo, J Qian… - Applied Physics …, 2023 - pubs.aip.org
Magnons, the quanta of collective spin excitations in magnetically ordered materials, have
distinct properties that make them uniquely appealing for quantum information applications …

[HTML][HTML] Emission of coherent THz magnons in an antiferromagnetic insulator triggered by ultrafast spin–phonon interactions

E Rongione, O Gueckstock, M Mattern… - Nature …, 2023 - nature.com
Antiferromagnetic materials have been proposed as new types of narrowband THz
spintronic devices owing to their ultrafast spin dynamics. Manipulating coherently their spin …

Coherent spin-wave transport in an antiferromagnet

JR Hortensius, D Afanasiev, M Matthiesen… - Nature physics, 2021 - nature.com
Magnonics is a research field complementary to spintronics, in which the quanta of spin
waves (magnons) replace electrons as information carriers, promising lower dissipation …

Magnon polaron formed by selectively coupled coherent magnon and phonon modes of a surface patterned ferromagnet

F Godejohann, AV Scherbakov, SM Kukhtaruk… - Physical Review B, 2020 - APS
Strong coupling between two quanta of different excitations leads to the formation of a
hybridized state that paves a way for exploiting new degrees of freedom to control …

[HTML][HTML] Long-living terahertz magnons in ultrathin metallic ferromagnets

HJ Qin, K Zakeri, A Ernst, LM Sandratskii… - Nature …, 2015 - nature.com
The main idea behind magnonics is to use the elementary magnetic excitations (magnons)
for information transfer and processing. One of the main challenges, hindering the …