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Spectral decoupling regulation through targeted ion migration in electro-optical resonators

Author

Listed:
  • Min Li

    (University of Science and Technology of China
    Chinese Academy of Sciences)

  • Yaowu Li

    (University of Science and Technology of China
    Chinese Academy of Sciences)

  • Shan Cong

    (University of Science and Technology of China
    Chinese Academy of Sciences
    Jiangxi Institute of Nanotechnology)

  • Jing Zhang

    (Chinese Academy of Sciences)

  • Huifang Li

    (Chinese Academy of Sciences)

  • Taoyang Zhang

    (University of Science and Technology of China
    Chinese Academy of Sciences)

  • Dongmei Hu

    (Chinese Academy of Sciences)

  • Zhenzhong Yong

    (Jiangxi Institute of Nanotechnology)

  • Qingwen Li

    (Chinese Academy of Sciences)

  • Zhen Wang

    (Hainan University)

  • Zhigang Zhao

    (University of Science and Technology of China
    Chinese Academy of Sciences)

Abstract

Spectral decoupling concerns about selective modulation of specific regions over the wide electromagnetic spectrum, which is highly desirable for smart handling of light/heat, such as photo-thermal regulation, multiband camouflage, etc. However, effective spectral decoupling is still lacking, especially for independent control over non-adjacent bands with orders of discrepancy in wavelengths, e.g., visible and longwave infrared (LWIR). Herein, we demonstrate spectral decoupling regulator (SDR) based on a bilayer electro-optical resonator, which can be electrochemically reconstructed by targeted ion migration into the dielectric and reflective layers, respectively. The SDR is featured by switchable color presentation and wide-range LWIR regulation (with a ΔεLWIR of 0.57), consequently realizing a free re-combination between visible color and LWIR emissivity within single surface. The results demonstrate potentials for in-demand multispectral applications such as optical skin with visible/thermal modulation and encryption encoding information at different wavelengths.

Suggested Citation

  • Min Li & Yaowu Li & Shan Cong & Jing Zhang & Huifang Li & Taoyang Zhang & Dongmei Hu & Zhenzhong Yong & Qingwen Li & Zhen Wang & Zhigang Zhao, 2025. "Spectral decoupling regulation through targeted ion migration in electro-optical resonators," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63734-2
    DOI: 10.1038/s41467-025-63734-2
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