Abstract
Current pulses of up to 20 A and as short as 3 ps are generated by a low-temperature-grown GaAs photoconductive switch and guided through a coplanar waveguide, resulting in a 0.6 T subterahertz magnetic field pulse. The pulse length is directly calibrated using photocurrent autocorrelation. Magnetic excitations in Fe microstructures are studied by time-resolved Kerr spectroscopy. An ultrafast response time (within less than 10 ps of the magnetization) to the subterahertz electromagnetic field pulse is shown.
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Dates
Type | When |
---|---|
Created | 17 years, 2 months ago (June 18, 2008, 6:11 p.m.) |
Deposited | 2 years, 1 month ago (June 30, 2023, 11:09 p.m.) |
Indexed | 4 weeks, 1 day ago (July 30, 2025, 6:50 a.m.) |
Issued | 17 years, 2 months ago (June 15, 2008) |
Published | 17 years, 2 months ago (June 15, 2008) |
Published Online | 17 years, 2 months ago (June 18, 2008) |
Published Print | 17 years, 2 months ago (June 15, 2008) |
@article{Wang_2008, title={Spin dynamics triggered by subterahertz magnetic field pulses}, volume={103}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.2940734}, DOI={10.1063/1.2940734}, number={12}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Wang, Zhao and Pietz, Matthäus and Walowski, Jakob and Förster, Arno and Lepsa, Mihail I. and Münzenberg, Markus}, year={2008}, month=jun }