Coupling Magnons to an Opto-Electronic Parametric Oscillator

• URL: http://arxiv.org/abs/2510.01435v2
• Date: Wed, 15 Oct 2025 19:28:35 GMT
• Title: Coupling Magnons to an Opto-Electronic Parametric Oscillator
• Authors: Junming Wu, Shihao Zhou, Benedetta Flebus, Wei Zhang,
• Abstract summary: We introduce a new, hybrid platform for investigating long-distance coupling and nonlinearity in coherent magnonic phenomena.<n>Our result lays out a new, hybrid platform for investigating long-distance coupling and nonlinearity in coherent magnonic phenomena.
• Score: 6.408545559187285
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Hybrid magnonic systems have emerged as versatile modular components for quantum signal transduction and sensing applications owing to their capability of connecting distinct quantum platforms. To date, the majority of the magnonic systems have been explored in a local, near-field scheme, due to the close proximity required for realizing a strong coupling between magnons and other excitations. This constraint greatly limits the applicability of magnons in developing remotely-coupled, distributed quantum network systems. On the contrary, opto-electronic architectures hosting self-sustained oscillations has been a unique platform for longhaul signal transmission and processing. Here, we integrated an opto-electronic oscillator with a magnonic oscillator consisting of a microwave waveguide and a Y3Fe5O12(YIG) sphere, and demonstrated strong and coherent coupling between YIG's magnon modes and the opto-electronic oscillator's characteristic photon modes - revealing the hallmark anti-crossing gap in the measured spectrum. In particular, the photon mode is produced on-demand via a nonlinear, parametric process as stipulated by an external seed pump. Both the internal cavity phase and the external pump phase can be precisely tuned to stabilize either degenerate or nondegenerate auto-oscillations. Our result lays out a new, hybrid platform for investigating long-distance coupling and nonlinearity in coherent magnonic phenomena, which may be find useful in constructing future distributed hybrid magnonic systems.

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