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- Title
Ultrafast Coherent Control of Spin Precession Motion by Terahertz Magnetic Pulses.
- Authors
Nakajima, M.; Yamaguchi, K.; Suemoto, T.
- Abstract
We demonstrated coherent control of spin precession motion due to the ferromagnetic resonance induced by magnetic field component of ultrashort terahertz pulses. The amplitude of the precession can be controlled by the pulse separation time of the double pulse excitation technique. We succeeded in observing the energy transfer between spin and photon systems, and the energy of the spin system is returned to the second terahertz pulses instantaneously when the precession amplitude is cancelled.
- Subjects
TERAHERTZ spectroscopy; ENERGY transfer; FERROMAGNETIC resonance; PHOTONS; MAGNETIC fields
- Publication
Acta Physica Polonica: A, 2012, Vol 121, Issue 2, p343
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.121.343