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120 Gb/s wireless terahertz-wave signal delivery by 375 GHz-500 GHz multi-carrier in a 2 × 2 MIMO system

  • Xinying Li*
  • , Jianjun Yu
  • , Kaihui Wang
  • , Miao Kong
  • , Wen Zhou
  • , Zihang Zhu
  • , Can Wang
  • , Mingming Zhao
  • , Gee Kung Chang
  • *Corresponding author for this work
  • Fudan University
  • Georgia Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

We propose and experimentally demonstrate a photonics-aided 2 × 2 multiple-input multiple-output (MIMO) wireless Terahertz-wave (THz-wave) signal transmission system, which realizes 6 × 20-Gb/s six-channel polarization division multiplexing quadrature-phase-shift-keying THz-wave signal delivery over 10-km wireline single-mode fiber- link and 142-cm wireless 2 × 2 MIMO link with a bit-error ratio under the hard-decision forward-error-correction threshold of 3.8 × 10 -3 . Our employed multi-carrier frequencies are located within the range of 375 GHz to 500 GHz. To the best of our knowledge, this is the first experimental demonstration of 2 × 2 MIMO wireless transmission of multi-channel THz-wave signal. Here, it is worth noting that our wireless 2 × 2 MIMO link, which offers point-to-point straight transmission and brings neither interference nor gain, is different from the traditional MIMO link defined in the field of wireless communications.

Original languageEnglish
Article number8424023
Pages (from-to)606-611
Number of pages6
JournalJournal of Lightwave Technology
Volume37
Issue number2
DOIs
Publication statusPublished - 15 Jan 2019
Externally publishedYes

Keywords

  • Integrated photonics technology
  • multiple-input multiple-output
  • optical multi-carrier modulation
  • optical polarization multiplexing
  • terahertz-band

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