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Synchronization of spin-transfer nanooscillator using phase-locking loop

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Abstract

It is suggested to use the phase locking (PL) principle for solving problems of synchronization and coherent power addition for spin-transfer microwave nanooscillators employing the phenomenon of magnetization oscillations in the microwave range excited by a spin-polarized current. The dynamics of a model spin-transfer oscillator with an inertial PL loop is considered. The regions of parameters corresponding to various dynamic regimes (synchronous, quasi- synchronous, beats) have been determined using bifurcation analysis. It is shown that the band of existence of synchronous regimes for a spin-transfer nanooscillator with a PL loop increases as compared to the analogous system synchronized by an external field.

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Authors and Affiliations

  1. Nizhni Novgorod State University, Nizhni Novgorod, Russia

    K. G. Mishagin & V. D. Shalfeev

Authors
  1. K. G. Mishagin
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  2. V. D. Shalfeev
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Correspondence to K. G. Mishagin.

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Original Russian Text © K.G. Mishagin, V.D. Shalfeev, 2010, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2010, Vol. 36, No. 22, pp. 51–57.

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Mishagin, K.G., Shalfeev, V.D. Synchronization of spin-transfer nanooscillator using phase-locking loop. Tech. Phys. Lett. 36, 1049–1052 (2010). https://doi.org/10.1134/S1063785010110222

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  • DOI: https://doi.org/10.1134/S1063785010110222

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