Terahertz-Driven Nonlinear Spin Response of Antiferromagnetic Nickel Oxide

URN to cite this document:: urn:nbn:de:bvb:355-epub-348520
DOI to cite this document:: 10.5283/epub.34852

Baierl, Sebastian ; Mentink, J. H.

; Hohenleutner, Matthias ; Braun, L. ; Do, T.-M. ; Lange, Christoph ; Sell, A. ; Fiebig, M. ; Woltersdorf, Georg

; Kampfrath, T. ; Huber, Rupert

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Date of publication of this fulltext: 21 Nov 2016 13:15

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Abstract

Terahertz magnetic fields with amplitudes of up to 0.4 Tesla drive magnon resonances in nickel oxide while the induced dynamics is recorded by femtosecond magneto-optical probing. We observe distinct spin-mediated optical nonlinearities, including oscillations at the second harmonic of the 1 THz magnon mode. The latter originate from coherent dynamics of the longitudinal component of the ...