Excitation of short-wavelength spin waves in magnonic waveguides

Demidov VE, Kostylev MP, Rott K, Münchenberger J, Reiss G, Demokritov SO (2011)
Applied Physics Letters 99(8): 082507.

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By using phase-resolved micro-focus Brillouin light scattering spectroscopy, we demonstrate experimentally a phenomenon of wavelength conversion of spin waves propagating in tapered Permalloy waveguides. We show that this phenomenon enables efficient excitation of spin waves with sub-micrometer wavelengths being much smaller than the width of the microstrip antenna used for the excitation. The proposed excitation mechanism removes restrictions on the spin-wave wavelength imposed by the size of the antenna and enables improvement of performances of integrated magnonic devices. (C) 2011 American Institute of Physics. [doi:10.1063/1.3631756]
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Demidov VE, Kostylev MP, Rott K, Münchenberger J, Reiss G, Demokritov SO. Excitation of short-wavelength spin waves in magnonic waveguides. Applied Physics Letters. 2011;99(8):082507.
Demidov, V. E., Kostylev, M. P., Rott, K., Münchenberger, J., Reiss, G., & Demokritov, S. O. (2011). Excitation of short-wavelength spin waves in magnonic waveguides. Applied Physics Letters, 99(8), 082507. doi:10.1063/1.3631756
Demidov, V. E., Kostylev, M. P., Rott, K., Münchenberger, J., Reiss, G., and Demokritov, S. O. (2011). Excitation of short-wavelength spin waves in magnonic waveguides. Applied Physics Letters 99, 082507.
Demidov, V.E., et al., 2011. Excitation of short-wavelength spin waves in magnonic waveguides. Applied Physics Letters, 99(8), p 082507.
V.E. Demidov, et al., “Excitation of short-wavelength spin waves in magnonic waveguides”, Applied Physics Letters, vol. 99, 2011, pp. 082507.
Demidov, V.E., Kostylev, M.P., Rott, K., Münchenberger, J., Reiss, G., Demokritov, S.O.: Excitation of short-wavelength spin waves in magnonic waveguides. Applied Physics Letters. 99, 082507 (2011).
Demidov, V. E., Kostylev, M. P., Rott, Karsten, Münchenberger, Jana, Reiss, Günter, and Demokritov, S. O. “Excitation of short-wavelength spin waves in magnonic waveguides”. Applied Physics Letters 99.8 (2011): 082507.
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