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Multiband Large-Area Topological Elastic Waveguides
ID：104 View Protection：ATTENDEE Updated Time：2025-11-10 15:30:53 Hits：76 Poster Presentation

Start Time：Pending（Asia/Shanghai）

Duration：Pending

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Abstract
Recent studies on large-area topological waveguides have overcome the limitations of conventional topological waveguides in small-scale domains, providing unprecedented spatial freedom for wave propagation. However, current large-area topological waveguide devices typically operate in a single frequency band, which limits their applicability in multi-band operation scenarios. To address this challenge, this study develops a topological heterostructure that enables the transmission of large-scale elastic waves across three distinct frequency bands. The waveguides in the heterostructure exhibit wider operating bandwidths when the waveguide mode widths are large, significantly enhancing multi-band functionality. This work offers an innovative solution for multi-band elastic wave transmission, enabling applications in broadband communication, environmental sensing, and energy harvesting technologies.
Keywords
large-area waveguides, topological edge states, broadband
Speaker
Shiqi Tong
PhD Southeast University

Submission Author
Shiqi Tong Southeast University
Jiawen Xu Southeast University
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Important Date

  • Conference Date

    Nov 21

    2025

    to

    Nov 23

    2025

  • Oct 20 2025

    Draft paper submission deadline

  • Dec 08 2025

    Registration deadline

Sponsored By
IEEE Instrumentation and Measurement Society
South China University of Technology
Organized By
South China University of Technology
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