Project description
Ultra-strong magnon-photon couplings
Controlling nanoscale magnetism with light is essential for advancing ultrafast information technologies, such as energy-efficient signal transmission and terahertz-speed data processing. Magnons (quantised spin-wave excitations in magnetic materials) show promise for this, but their weak coupling with photons presents challenges for scalable device integration. Supported by the Marie Skłodowska-Curie Actions programme, the MagNaTeC project will develop subwavelength metamaterial cavities that amplify the magnetic field of light, allowing for ultra-strong magnon-photon couplings in monolayer FePS3. To achieve this, the researchers will use their expertise in terahertz cavity quantum electrodynamics along with state-of-the-art equipment and guidance.
Objective
Controlling magnetism with light at the nanoscale is essential for developing ultrafast information technologies such as terahertz-speed data processing, energy-efficient signal transmission, and hybrid quantum devices. Magnons, the quantized spin-wave excitations in magnetically ordered materials, naturally oscillate in the terahertz regime in antiferromagnets and transport spin without charge, making them promising carriers for low-loss, high-speed information transfer. Yet direct magnon–photon coupling is intrinsically weak; in the terahertz regime prior demonstrations have relied on bulk crystals or extreme free-space fields, which are incompatible with scalable device architectures. This challenge is magnified in two-dimensional (2D) van der Waals magnets, where the reduced interaction volume suppresses coupling further. MagNaTeC addresses this obstacle by developing subwavelength metamaterial cavities that amplify the magnetic field of light, enabling ultrastrong coupling of magnons and photons in monolayer FePS₃. Building on my expertise in terahertz cavity quantum electrodynamics, I will realize magnon-polaritons in the ultrastrong regime and extend this platform to nonlinear spectroscopy of cavity magnonics. The host laboratory of Prof. Andrea Cavalleri at the Max Planck Institute for the Structure and Dynamics of Matter provides the ideal environment with world-leading expertise in strong-field terahertz spectroscopy. This project will pioneer magnetic-field-enhancing cavity architectures, establish the first demonstration of ultrastrong magnon–photon coupling in a 2D antiferromagnet, and reveal nonlinear interactions. These results will advance fundamental cavity quantum electrodynamics with spin systems, lay the scientific foundation for energy-efficient magnonic circuits, and provide me with the interdisciplinary training and leadership skills to launch an independent career at the interface of condensed matter physics and quantum information science.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences physical sciences condensed matter physics quasiparticles
- natural sciences computer and information sciences data science data processing
- natural sciences physical sciences theoretical physics particle physics photons
- natural sciences physical sciences optics spectroscopy
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2025-PF
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80539 MUNCHEN
Germany
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