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Frequency-division multiplexer and demultiplexer for terahertz wireless links

Author

Listed:
  • Jianjun Ma

    (Brown University)

  • Nicholas J. Karl

    (Brown University)

  • Sara Bretin

    (Institut d’Electronique de Microélectronique et de Nanotechnologie (IEMN))

  • Guillaume Ducournau

    (Institut d’Electronique de Microélectronique et de Nanotechnologie (IEMN))

  • Daniel M. Mittleman

    (Brown University)

Abstract

The development of components for terahertz wireless communications networks has become an active and growing research field. However, in most cases these components have been studied using a continuous or broadband-pulsed terahertz source, not using a modulated data stream. This limitation may mask important aspects of the performance of the device in a realistic system configuration. We report the characterization of one such device, a frequency multiplexer, using modulated data at rates up to 10 gigabits per second. We also demonstrate simultaneous error-free transmission of two signals at different carrier frequencies, with an aggregate data rate of 50 gigabits per second. We observe that the far-field spatial variation of the bit error rate is different from that of the emitted power, due to a small nonuniformity in the angular detection sensitivity. This is likely to be a common feature of any terahertz communication system in which signals propagate as diffracting beams not omnidirectional broadcasts.

Suggested Citation

  • Jianjun Ma & Nicholas J. Karl & Sara Bretin & Guillaume Ducournau & Daniel M. Mittleman, 2017. "Frequency-division multiplexer and demultiplexer for terahertz wireless links," Nature Communications, Nature, vol. 8(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00877-x
    DOI: 10.1038/s41467-017-00877-x
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    Cited by:

    1. Atsutse Kludze & Junichiro Kono & Daniel M. Mittleman & Yasaman Ghasempour, 2024. "A frequency-agile retrodirective tag for large-scale sub-terahertz data backscattering," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Junliang Dong & Alessandro Tomasino & Giacomo Balistreri & Pei You & Anton Vorobiov & Étienne Charette & Boris Le Drogoff & Mohamed Chaker & Aycan Yurtsever & Salvatore Stivala & Maria A. Vincenti & C, 2022. "Versatile metal-wire waveguides for broadband terahertz signal processing and multiplexing," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Yang Cao & Kathirvel Nallappan & Guofu Xu & Maksim Skorobogatiy, 2022. "Add drop multiplexers for terahertz communications using two-wire waveguide-based plasmonic circuits," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    4. Josep M. Jornet & Edward W. Knightly & Daniel M. Mittleman, 2023. "Wireless communications sensing and security above 100 GHz," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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