Research on Transmission Characteristics of Two-Dimensional Superconducting Photonic Crystal in THz-Waves

Hao, Jiong-Ju; Ju, Lu; Liu, Yujie; Du, Weichen; Gu, Ke-Da; Yang, Hong-Wei

doi:10.1007/s11468-020-01126-6

Cited by 3 publications

(2 citation statements)

References 32 publications

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“…This implies the absence of transmission for signals with frequencies within a given interval of values. Such a property is highly useful in applications involving optical devices [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. For these applications, it is essential to tune the properties of PBGs and to obtain the widest possible band gaps.…”

Section: Introductionmentioning

confidence: 99%

“…For example, metals exhibit inherent losses, which are caused by the extinction coefficient. To overcome these problems, a variety of unconventional materials have been used, such as superconductors [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. In superconductors, optical properties are strongly influenced by temperature and magnetic fields.…”

Section: Introductionmentioning

confidence: 99%

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Tunable Photonic Band Gaps in Two-Dimensional Bravais–Moiré Photonic Crystal Composed of High-Tc Superconductors

2023

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In this study, we perform a theoretical study of light propagation properties in two-dimensional square photonic crystals (PCs) following Bravais–Moiré (BM) patterns composed of copper oxide high-temperature superconductors (HTSCs). The BM PCs are made of cylindrical cores formed from the combination of two square Bravais lattices. The Moiré pattern forms due to a commensurable rotation of one of these lattices with respect to the other. The dielectric function of the superconducting material is modeled by the two-fluid Gorter–Casimir theory. We report on the corresponding gap, the mapping as a function of the radius of dielectric cores, as well as the dispersion relations of TM modes for BM PCs and for the waveguide system built of defect lines within such a crystal. The BM PCs were composed of copper oxide HTSCs, which exhibit large tunability in terms of temperature.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Tunable Photonic Band Gaps in Two-Dimensional Bravais–Moiré Photonic Crystal Composed of High-Tc Superconductors

2023

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Topology optimization of a 120° bending high temperature superconducting photonic crystal waveguide

Wang,

Liu,

Gao

et al. 2024

Results in Physics

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Band structure optimization of superconducting photonic crystals based on transmission spectrum calculation

Liu,

Lu,

Gao

et al. 2023

Opt. Express

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The design of photonic crystals using novel materials is of great significance for the construction of high-performance, next-generation photonic crystal devices. We propose a universal Band structure-Transmission optimization-Band structure method based on moving asymptotic (MMA) method, which can be widely applied to photonic crystal structures. In this paper, we use the method to optimize the band structure of high temperature superconducting photonic crystal, and obtain a wider photonic bandgap and better band flatness in a specific frequency band. This method avoids the disadvantages of traditional scanning methods such as low efficiency and high resource consumption, allows multi-parameter optimization, and improves the accuracy and effectiveness of band modulation based on the iterative process of numerical calculation. The study provides some insights for the design of novel wide-bandgap optical devices.

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Research on Transmission Characteristics of Two-Dimensional Superconducting Photonic Crystal in THz-Waves

Cited by 3 publications

References 32 publications

Tunable Photonic Band Gaps in Two-Dimensional Bravais–Moiré Photonic Crystal Composed of High-Tc Superconductors

Tunable Photonic Band Gaps in Two-Dimensional Bravais–Moiré Photonic Crystal Composed of High-Tc Superconductors

Topology optimization of a 120° bending high temperature superconducting photonic crystal waveguide

Band structure optimization of superconducting photonic crystals based on transmission spectrum calculation

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