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One-Way Propagation and Complete Trapping of Terahertz Radiations in All-Dielectric Systems

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Abstract

Surface magnetoplasmons (SMPs) in the three-layer structure of semiconductor, dielectric, and photonic crystal (PhC) are theoretically investigated. The PhC portion in the structure is designed properly so that its band gap covers the one-way propagation range of SMPs. In such an all-dielectric system, robust one-way propagation is available for SMPs at terahertz frequencies, and SMP band gap also occurs due to the PhC effect. With the use of a heterostructure of dielectric layer in the all-dielectric system, two different approaches for trapping terahertz radiation are proposed and verified by numerical simulations.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China under Grant Nos. 61372005 and 41331070 and the Ministry of Science and Technology of ROC under Grant No. MOST 104-2221-E-216-012.

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Authors and Affiliations

  1. Institute of Space Science and Technology, Nanchang University, Nanchang, 330031, China

    Yun You, Xiaohua Deng & Linfang Shen

  2. Department of Electrical Engineering, Chung Hua University, Hsinchu, 30012, Taiwan, People’s Republic of China

    Jin-Jei Wu & Tzong-Jer Yang

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  1. Yun You
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  2. Xiaohua Deng
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  3. Linfang Shen
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  4. Jin-Jei Wu
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Correspondence to Linfang Shen.

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You, Y., Deng, X., Shen, L. et al. One-Way Propagation and Complete Trapping of Terahertz Radiations in All-Dielectric Systems. Plasmonics 12, 399–404 (2017). https://doi.org/10.1007/s11468-016-0277-3

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  • DOI: https://doi.org/10.1007/s11468-016-0277-3

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