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Abstract <p>New Tamm nanostructures with a hybrid state of Tamm plasmon-polariton (TPP) and Fabry–Pérot (F–P) modes are proposed and studied. The nanostructures comprise microcavity magnetophotonic crystals coated with silicon oxide and gold layers and consisting of two nonmagnetic asymmetric Bragg mirrors with different numbers of layer pairs, separated by a double-layer iron garnet film. It has been demonstrated experimentally and numerically that the hybrid mode splitting energy and the coupling strength of the TPP and F–P modes of the Tamm structures increase with decreasing number of layer pairs in the Bragg mirrors. The strongest effect is exerted by changing the number of layer pairs in the upper Bragg mirror of the Tamm structures.</p>

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Tamm Nanostructures with Hybrid Optical Modes Based on Asymmetrical Bragg Mirrors

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • T. V. Mikhailova,
  • S. D. Lyashko,
  • A. L. Kudryashov,
  • S. V. Osmanov,
  • A. V. Karavainikov,
  • A. N. Shaposhnikov,
  • N. S. Gusev,
  • S. A. Gusev

摘要

Abstract

New Tamm nanostructures with a hybrid state of Tamm plasmon-polariton (TPP) and Fabry–Pérot (F–P) modes are proposed and studied. The nanostructures comprise microcavity magnetophotonic crystals coated with silicon oxide and gold layers and consisting of two nonmagnetic asymmetric Bragg mirrors with different numbers of layer pairs, separated by a double-layer iron garnet film. It has been demonstrated experimentally and numerically that the hybrid mode splitting energy and the coupling strength of the TPP and F–P modes of the Tamm structures increase with decreasing number of layer pairs in the Bragg mirrors. The strongest effect is exerted by changing the number of layer pairs in the upper Bragg mirror of the Tamm structures.