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Integrated multi-scheme digital modulations of spoof surface plasmon polaritons

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Abstract

The future wireless communications require different kinds of modulation functions to be integrated in a single intelligent device under different scenarios. Here, we propose a multi-scheme digital modulator to achieve this goal based on integrated spoof surface plasmon polaritons (SPP) in different frequency bands. By constructing switchable spoof SPP units, the propagating wave in the proposed spoof SPP waveguide can be manipulated in amplitude domain, frequency domain, and phase domain. As a proof of concept, the integrated multi-scheme digital modulator is experimentally verified to achieve at least three kinds of modulations, including amplitude shift keying, phase shift keying, and frequency shift keying, in a single digital spoof plasmonic waveguide. The simulated and measured results show that the modulator has excellent property of field confinement and is capable of frequency-domain modulation. Hence, the multi-scheme modulation property makes the proposed SPP digital modulator be an effective and reliable candidate for efficient manipulations of SPP waves and for advanced modulation technology

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Acknowledgements

This work was supported by National Key Research and Development Program of China (Grant Nos. 2017YFA0700201, 2017YFA0700202, 2017YFA0700203), National Natural Science Foundation of China (Grant Nos. 61571117, 61631007, 61701108, 61871127), and the 111 Project (Grant No. 111-2-05).

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Authors and Affiliations

  1. State Key Laboratory of Millimeter Waves, Southeast University, Nanjing, 210096, China

    Lepeng Zhang, Haochi Zhang, Peihang He, Lingyun Niu, Jiayuan Lu, Wenxuan Tang & Tiejun Cui

  2. Key Laboratory of Ministry of Education of China for Research of Design and Electromagnetic Compatibility of High Speed Electronic Systems, Shanghai Jiao Tong University, Shanghai, 200240, China

    Min Tang & Junfa Mao

  3. Research Center of Applied Electromagnetics, School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, China

    Liangliang Liu

Authors
  1. Lepeng Zhang
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  2. Haochi Zhang
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  3. Min Tang
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  4. Peihang He
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  5. Lingyun Niu
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  6. Liangliang Liu
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  7. Jiayuan Lu
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  8. Wenxuan Tang
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  9. Junfa Mao
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  10. Tiejun Cui
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Corresponding authors

Correspondence to Min Tang or Tiejun Cui.

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Zhang, L., Zhang, H., Tang, M. et al. Integrated multi-scheme digital modulations of spoof surface plasmon polaritons. Sci. China Inf. Sci. 63, 202302 (2020). https://doi.org/10.1007/s11432-020-2972-0

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  • DOI: https://doi.org/10.1007/s11432-020-2972-0

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