3 papers
cond-mat.mes-hall2026
Quantitative Disentanglement of Terahertz Spin and Orbital Pumping in 3d Ferromagnetic Heterostructures
Tongyang Guan, Jiahao Liu, Yuxiao Mo +3
Spin and orbital pumping - the injection of spin and orbital angular momentum from a driven ferromagnet into an adjacent nonmagnetic layer - are fundamental processes underlying an…
cond-mat.mtrl-sci2025
Evidence of Ultrashort Orbital Transport in Heavy Metals Revealed by Terahertz Emission Spectroscopy
Tongyang Guan, Jiahao Liu, Wentao Qin +4
The orbital angular momentum of electrons offers a promising, yet largely unexplored, degree of freedom for ultrafast, energy-efficient information processing. As the foundation of…
physics.optics2023
Flexible generation of structured terahertz fields via programmable exchange-biased spintronic emitters
Shunjia Wang, Wentao Qin, Tongyang Guan +7
Structured light, particularly in the terahertz frequency range, holds considerable potential for a diverse range of applications. However, the generation and control of structured…