Fritz-Haber-Institut der Max-Planck-Gesellschaft
 
     Department of Physical Chemistry   

 Terahertz Physics Group  Tobias Kampfrath
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Department of
Physical Chemistry
Fritz Haber Institute

Research method: Ultrafast electromagnetic stimulus
THz electric or magnetic field drives low-energy excitationst.
•  Coherent spin control of antiferromagnetic magnons

THz magnetic pulse launches 1-THz spin wave in the anti-ferromagnet NiO.
 
Second pulse switches magnon off.
 


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