DocumentCode
2710857
Title
Terahertz radiation from coherent antiferromagnetic magnons excited by circularly polarized laser pulses
Author
Nishitani, Junichi ; Nagashima, Takeshi ; Hangyo, Masanori
Author_Institution
Inst. of Laser Eng., Osaka Univ., Suita, Japan
fYear
2010
fDate
5-10 Sept. 2010
Firstpage
1
Lastpage
2
Abstract
We have observed terahertz radiation from coherent antiferromagnetic magnons excited by circularly polarized laser pulses. The polarity of the magnons is reversed by switching the helicity of the circular polarization. Inverse Faraday effect is a possible mechanism of the coherent magnon excitation.
Keywords
Faraday effect; antiferromagnetic materials; excited states; laser beam effects; light polarisation; magnons; terahertz wave spectra; circular polarization; circularly polarized laser pulses; coherent antiferromagnetic magnons; coherent magnon excitation; helicity switching; inverse Faraday effect; magnon polarity; terahertz radiation; Crystals; Laser excitation; Magnetic domains; Magnetic moments; Measurement by laser beam; Temperature measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Conference_Location
Rome
Print_ISBN
978-1-4244-6655-9
Type
conf
DOI
10.1109/ICIMW.2010.5612484
Filename
5612484
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