Nonlinear suppression of dispersion broadening of ultrashort spin-wave pulses in thin YIG films
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866911538279874560 |
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| author | Nikolaev, K. O. Raskhodchikov, D. Bensmann, J. Borisenko, I. V. Lomonte, E. Jin, L. Schmidt, R. Kern, J. de Vasconcellos, S. Michaelis Bratschitsch, R. Demokritov, S. O. Pernice, W. H. P. Demidov, V. E. |
| author_facet | Nikolaev, K. O. Raskhodchikov, D. Bensmann, J. Borisenko, I. V. Lomonte, E. Jin, L. Schmidt, R. Kern, J. de Vasconcellos, S. Michaelis Bratschitsch, R. Demokritov, S. O. Pernice, W. H. P. Demidov, V. E. |
| contents | We study experimentally the nonlinear propagation of short pulses of forward volume spin waves in nanometer-thick YIG films. We show that nonlinearity of the spin system can efficiently counteract dispersion broadening of the pulses, leading to the formation of envelope solitons. We demonstrate that in microscopic YIG systems, microwave powers of the order of one milliwatt are sufficient to reach the soliton formation threshold. At powers slightly above this threshold, we achieve transmission of 3-ns spin-wave pulses over distances of up to 50 micrometers without increase in their temporal width. Our results demonstrate a promising way towards high-rate transmission of information in microscopic spin-wave circuits unaffected by detrimental dispersion effects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_22051 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Nonlinear suppression of dispersion broadening of ultrashort spin-wave pulses in thin YIG films Nikolaev, K. O. Raskhodchikov, D. Bensmann, J. Borisenko, I. V. Lomonte, E. Jin, L. Schmidt, R. Kern, J. de Vasconcellos, S. Michaelis Bratschitsch, R. Demokritov, S. O. Pernice, W. H. P. Demidov, V. E. Mesoscale and Nanoscale Physics We study experimentally the nonlinear propagation of short pulses of forward volume spin waves in nanometer-thick YIG films. We show that nonlinearity of the spin system can efficiently counteract dispersion broadening of the pulses, leading to the formation of envelope solitons. We demonstrate that in microscopic YIG systems, microwave powers of the order of one milliwatt are sufficient to reach the soliton formation threshold. At powers slightly above this threshold, we achieve transmission of 3-ns spin-wave pulses over distances of up to 50 micrometers without increase in their temporal width. Our results demonstrate a promising way towards high-rate transmission of information in microscopic spin-wave circuits unaffected by detrimental dispersion effects. |
| title | Nonlinear suppression of dispersion broadening of ultrashort spin-wave pulses in thin YIG films |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2603.22051 |