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DOE OSTI · 2498414

Cryogenic hybrid magnonic circuits based on spalled YIG thin films

Xu, Jing [Univ. of Chicago, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Central Florida, Orlando, FL (United States)] (ORCID:0000000301607616)·Horn, Connor [Univ. of Chicago, IL (United States)] (ORCID:0000000283854882)·Jiang, Yu [Northeastern Univ., Boston, MA (United States)] (ORCID:0009000205691325)·Pishehvar, Amin [Northeastern Univ., Boston, MA (United States)] (ORCID:0000000209523401)·Li, Xinhao [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000206647775)·Rosenmann, Daniel [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000198606155)·Han, Xu [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000344670885)·Levy, Miguel [Michigan Technological Univ., Houghton, MI (United States)] (ORCID:0000000169167835)·Guha, Supratik [Univ. of Chicago, IL (United States)] (ORCID:0000000150718318)·Zhang, Xufeng [Northeastern Univ., Boston, MA (United States)] (ORCID:0000000194924244)
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Abstract

Yttrium iron garnet (YIG) magnonics has garnered significant research interest because of the unique properties of magnons (quasiparticles of collective spin excitation) for signal processing. In particular, hybrid systems based on YIG magnonics show great promise for quantum information science due to their broad frequency tunability and strong compatibility with other platforms. However, their broad applications have been severely constrained by substantial microwave loss in the gadolinium gallium garnet (GGG) substrate at cryogenic temperatures. In this study, we demonstrate that YIG thin films can be spalled from YIG/GGG samples. Our approach is validated by measuring hybrid devices comprising superconducting resonators and spalled YIG films, which exhibit anti-crossing features that indicate strong coupling between magnons and microwave photons. Such new capability of separating YIG thin films from GGG substrates via spalling and the integrated superconductor-YIG devices represent a significant advancement for integrated magnonic devices, paving the way for advanced magnon-based coherent information processing.

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36 MATERIALS SCIENCEMagnetic materialsMagnonic circuitsMagnonsResonator deviceSpallingStrong couplingThin filmsYIGcryogenic

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Xu, Jing [Univ. of Chicago, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Central Florida, Orlando, FL (United States)] (ORCID:0000000301607616), Horn, Connor [Univ. of Chicago, IL (United States)] (ORCID:0000000283854882), Jiang, Yu [Northeastern Univ., Boston, MA (United States)] (ORCID:0009000205691325), Pishehvar, Amin [Northeastern Univ., Boston, MA (United States)] (ORCID:0000000209523401), Li, Xinhao [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000206647775), Rosenmann, Daniel [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000198606155), Han, Xu [Argonne National Laboratory (ANL), Argonne, IL (United States)] (ORCID:0000000344670885), Levy, Miguel [Michigan Technological Univ., Houghton, MI (United States)] (ORCID:0000000169167835), Guha, Supratik [Univ. of Chicago, IL (United States)] (ORCID:0000000150718318), Zhang, Xufeng [Northeastern Univ., Boston, MA (United States)] (ORCID:0000000194924244). 2025-01-09. Cryogenic hybrid magnonic circuits based on spalled YIG thin films. https://doi.org/10.1063/5.0247663

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36 MATERIALS SCIENCE↗