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Condensed Matter > Mesoscale and Nanoscale Physics

arXiv:1906.08103 (cond-mat)
[Submitted on 19 Jun 2019 (v1), last revised 31 Jul 2019 (this version, v2)]

Title:Introducing coherent time control to cavity-magnon-polariton modes

Authors:Tim Wolz, Alexander Stehli, Andre Schneider, Isabella Boventer, Rair Macêdo, Alexey V. Ustinov, Mathias Kläui, Martin Weides
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Abstract:By connecting light to magnetism, cavity-magnon-polaritons (CMPs) can build links from quantum computation to spintronics. As a consequence, CMP-based information processing devices have thrived over the last five years, but almost exclusively been investigated with single-tone spectroscopy. However, universal computing applications will require a dynamic control of the CMP on demand and within nanoseconds. In this work, we perform fast manipulations of the different CMP modes with independent but coherent pulses to the cavity and magnon system. We change the state of the CMP from the energy exchanging beat mode to its normal modes and further demonstrate two fundamental examples of coherent manipulation: First, a dynamic control over the appearance of magnon-Rabi oscillations, i.e., energy exchange, and second, a complete energy extraction by applying an anti-phase drive to the magnon. Our results show a promising approach to control different building blocks for a quantum internet and pave the way for further magnon-based quantum computing research.
Comments: typos fixed and grant acknowledgment included
Subjects: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
Cite as: arXiv:1906.08103 [cond-mat.mes-hall]
  (or arXiv:1906.08103v2 [cond-mat.mes-hall] for this version)
  https://doi.org/10.48550/arXiv.1906.08103
Journal reference: Commun Phys 3, 3 (2020)
Related DOI: https://doi.org/10.1038/s42005-019-0266-x

Submission history

From: Tim Wolz [view email]
[v1] Wed, 19 Jun 2019 13:59:54 UTC (2,238 KB)
[v2] Wed, 31 Jul 2019 09:49:22 UTC (2,157 KB)
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