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Abstract <p>The spectral properties of a one-dimensional phononic crystal bounded by a reflector in the form of an air layer are studied. A defect in a phononic crystal with a reflector at the edge results in coupling between the detect mode and acoustic Tamm state. This coupling between modes of different natures manifests as the hybridization of modes, and the repulsion of dips in the reflectance spectrum is explained by avoided crossing of the modes.</p>

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Hybridization of the Acoustic Tamm States and Defect Modes of a One-Dimensional Phononic Crystal

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • A. S. Zuev,
  • S. Y. Vetrov,
  • D. P. Fedchenko,
  • I. V. Timofeev

摘要

Abstract

The spectral properties of a one-dimensional phononic crystal bounded by a reflector in the form of an air layer are studied. A defect in a phononic crystal with a reflector at the edge results in coupling between the detect mode and acoustic Tamm state. This coupling between modes of different natures manifests as the hybridization of modes, and the repulsion of dips in the reflectance spectrum is explained by avoided crossing of the modes.