期刊
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
卷 46, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.photonics.2021.100956
关键词
Plasmonics; Photonic crystals; Tamm plasmons; Photonic band gaps
This study demonstrated the existence of Tamm plasmon polariton modes at the interface of one-dimensional photonic crystals and metal nitrides, with a focus on titanium nitride as an alternative plasmonic material. Theoretical calculations and spectral property evaluations were conducted, along with investigations into the optimum TiN thickness for TPP excitation. The angular dispersion characteristics of the TPP modes in TiN-PhC configurations were also explored, providing insights for designing devices based on TPPs.
In this study, I demonstrated the existence of Tamm plasmon polariton (TPP) modes at the interface of onedimensional photonic crystals (1D PhC) and metal nitrides. Metal nitrides such as titanium nitride (TiN), zirconium nitride (ZrN), tantalum nitride (TaN), and hafnium nitride (HfN) exhibit metallic properties in the visible and infrared spectral ranges. Theoretical calculations were performed to evaluate TiN as an alternative plasmonic material to conventional plasmonic metals for the excitation of TPP modes in the visible and near-infrared spectral region. The transfer matrix method was used to study the proposed structure and its spectral properties. I also explored the suitable conditions for the efficient excitation of TPP modes with TiN as a plasmonic material. The optimum TiN thickness was investigated for TPP excitation in the visible and near-infrared spectral region. In addition, I explored the angular dispersion characteristics of the TPP modes in TiN-PhC configurations. The results obtained in this study may be useful for designing devices based on TPPs.
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