Real-Time Demonstration of 100 GbE THz-Wireless and Fiber Seamless Integration Networks

We propose and experimentally demonstrate a real-time fiber-THz-fiber 2 × 2 multiple-input multiple-output (MIMO) seamless integration system at 340-510 GHz using commercial digital coherent optics (DCO) modules for baseband signals processing, which realizes a record net rate of 103.125 Gb/s dual p...

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Bibliographic Details
Published in:Journal of lightwave technology 2023-02, Vol.41 (4), p.1129-1138
Main Authors: Zhang, Jiao, Zhu, Min, Hua, Bingchang, Lei, Mingzheng, Cai, Yuancheng, Zou, Yucong, Tong, Weidong, Ding, Junjie, Tian, Liang, Ma, Like, Xiao, Jinbiao, Huang, Yongming, Yu, Jianjun, You, Xiaohu
Format: Article
Language:English
Subjects:
Digital coherent optics module
Dual polarization (waves)
Error correction
Fiber optics
Fiber-optic networks
High-speed optical techniques
Mach-Zehnder interferometers
MIMO communication
Miniaturization
Modulators
Multiple-input multiple-output
Optical communication
Optical fiber amplifiers
Optical fiber communication
Optical fiber devices
Optical fiber polarization
Optical polarization
Polarization
Polarization multiplexing
Power amplifiers
Power consumption
Quadrature phase shift keying
Real time
Seamless integration
Signal processing
Terahertz-band
THz-to-optical conversion
Wireless communication
Wireless communications
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Summary:We propose and experimentally demonstrate a real-time fiber-THz-fiber 2 × 2 multiple-input multiple-output (MIMO) seamless integration system at 340-510 GHz using commercial digital coherent optics (DCO) modules for baseband signals processing, which realizes a record net rate of 103.125 Gb/s dual polarization quadrature-phase-shift-keying (DP-QPSK) signals delivery over two spans of 20 km wireline single-mode fiber-link and 3 m wireless 2 × 2 MIMO link without using THz power amplifier under 15% soft-decision forward-error-correction threshold (SD-FEC) of 1.56 × 10 −2 . Two kinds of THz-to-optical conversion schemes based on an integrated dual-polarization Mach-Zehnder modulator (DP-MZM) and two discrete intensity-modulators (IMs) are extensively investigated and compared. To the best of our knowledge, this is the first real-time demonstration of THz-wireless and 100 GbE fiber-optic networks seamless integration transmission, which is compatible with IEEE 802.3 and ITU-T G.798 specifications. It is a promising scheme to meet the demands of future fiber-wireless-integrations communication for low power consumption, low cost and miniaturization.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2022.3204268