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Ultrahigh-speed graphene-based optical coherent receiver

Author

Listed:
  • Yilun Wang

    (Huazhong University of Science and Technology)

  • Xiang Li

    (University of Cambridge)

  • Zhibin Jiang

    (Huazhong University of Science and Technology)

  • Lei Tong

    (Huazhong University of Science and Technology)

  • Wentao Deng

    (Huazhong University of Science and Technology)

  • Xiaoyan Gao

    (Huazhong University of Science and Technology)

  • Xinyu Huang

    (Huazhong University of Science and Technology)

  • Hailong Zhou

    (Huazhong University of Science and Technology)

  • Yu Yu

    (Huazhong University of Science and Technology)

  • Lei Ye

    (Huazhong University of Science and Technology)

  • Xi Xiao

    (State Key Laboratory of Optical Communication Technologies and Networks, China Information and Communication Technologies Group Corporation (CICT)
    National Information Optoelectronics Innovation Center)

  • Xinliang Zhang

    (Huazhong University of Science and Technology)

Abstract

Graphene-based photodetectors have attracted significant attention for high-speed optical communication due to their large bandwidth, compact footprint, and compatibility with silicon-based photonics platform. Large-bandwidth silicon-based optical coherent receivers are crucial elements for large-capacity optical communication networks with advanced modulation formats. Here, we propose and experimentally demonstrate an integrated optical coherent receiver based on a 90-degree optical hybrid and graphene-on-plasmonic slot waveguide photodetectors, featuring a compact footprint and a large bandwidth far exceeding 67 GHz. Combined with the balanced detection, 90 Gbit/s binary phase-shift keying signal is received with a promoted signal-to-noise ratio. Moreover, receptions of 200 Gbit/s quadrature phase-shift keying and 240 Gbit/s 16 quadrature amplitude modulation signals on a single-polarization carrier are realized with a low additional power consumption below 14 fJ/bit. This graphene-based optical coherent receiver will promise potential applications in 400-Gigabit Ethernet and 800-Gigabit Ethernet technology, paving another route for future high-speed coherent optical communication networks.

Suggested Citation

  • Yilun Wang & Xiang Li & Zhibin Jiang & Lei Tong & Wentao Deng & Xiaoyan Gao & Xinyu Huang & Hailong Zhou & Yu Yu & Lei Ye & Xi Xiao & Xinliang Zhang, 2021. "Ultrahigh-speed graphene-based optical coherent receiver," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-25374-0
    DOI: 10.1038/s41467-021-25374-0
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    Cited by:

    1. Qinci Wu & Jun Qian & Yuechen Wang & Luwen Xing & Ziyi Wei & Xin Gao & Yurui Li & Zhongfan Liu & Hongtao Liu & Haowen Shu & Jianbo Yin & Xingjun Wang & Hailin Peng, 2024. "Waveguide-integrated twisted bilayer graphene photodetectors," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Daniel Pérez-López & Ana Gutierrez & David Sánchez & Aitor López-Hernández & Mikel Gutierrez & Erica Sánchez-Gomáriz & Juan Fernández & Alejandro Cruz & Alberto Quirós & Zhenyun Xie & Jesús Benitez & , 2024. "General-purpose programmable photonic processor for advanced radiofrequency applications," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Stefan M. Koepfli & Michael Baumann & Robin Gadola & Shadi Nashashibi & Yesim Koyaz & Daniel Rieben & Arif Can Güngör & Michael Doderer & Killian Keller & Yuriy Fedoryshyn & Juerg Leuthold, 2024. "Controlling photothermoelectric directional photocurrents in graphene with over 400 GHz bandwidth," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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