Observation of coherent spin precession in YFeO3 crystal triggered with magnetic component of terahertz wave

Author

Zhou, Runze ; Zuan Ming Jin ; Ma, Guohong ; Cheng, Zhenxiang

Author_Institution

Dept. of Phys., Shanghai Univ., Shanghai, China

fYear

2012

Firstpage

1

Lastpage

2

Abstract

We report the observation of the magnetic dipole transition triggered with magnetic component of terahertz electromagnetic pulse in an antiferromagnetic YFeO₃ crystal, which is manifested by a sharp absorption at the frequency of the quasiferromagnetic mode of the crystal. The rotating coherent macroscopic magnetization radiates circularly polarized emission at the frequency of the quasiferromagnetic resonance.

Keywords

antiferromagnetic materials; birefringence; electromagnetic pulse; ferromagnetic materials; magnetic moments; magnetic transitions; magnetisation; terahertz wave spectra; yttrium compounds; YFeO₃; antiferromagnetic crystal; birefringence; circularly polarized emission; coherent spin precession; magnetic component; magnetic dipole transition; quasiferromagnetic mode; quasiferromagnetic resonance; rotating coherent macroscopic magnetization; terahertz electromagnetic pulse; terahertz wave; Absorption; Crystals; Electric fields; Magnetic domains; Magnetic fields; Magnetic resonance; Superconducting magnets;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics (CLEO), 2012 Conference on

Conference_Location

San Jose, CA

Print_ISBN

978-1-4673-1839-6

Type

conf

Filename

6326955