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Peer-reviewedCC BY-NC-ND 4.0Nature Communications

Holistic co-design of fibre-optic distributed acoustic sensing and coherent communication

  • Zihe Hu1
  • Youmin Zhang1
  • Mingming Zhang1
  • Hao Wen2
  • Jun Wang2
  • Yuqi Li1
  • Yizhao Chen1
  • Junda Chen1,3
  • Chen Cheng1
  • Luming Zhao1
  • Can Zhao1,4
  • Lei Shi2
1 more authors
  • Ming Tang1
4 affiliations
  1. 1Wuhan National Lab for Optoelectronics (WNLO) & National Engineering Research Center of Next Generation Internet Access-system (NGIA), School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China
  2. 2Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China
  3. 3Department of Microtechnology and Nanoscience, Chalmers University of Technology, Kemivägen 9, Gothenburg, Sweden
  4. 4Key Laboratory of Optoelectronic Devices and Systems of Guangdong Province and Ministry of Education, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, China
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Abstract

Integrating sensing into communication is crucial for the fully-connected and intelligent development of modern life. However, existing fiber-optic sensing and communication systems merely coexist without inadequate resource sharing, resulting in limited scalability for large-scale deployment. Here, we propose a holistically co-designed sensing and communication (CSAC) framework that incorporates multi-level optimization: (i) a dual-function pilot signal that shares time and spectrum resources; (ii) a simplified system using a single transmitter to simultaneously generate multi-tone pilot and subcarrier communication signals; (iii) a point-to-multipoint (P2MP) network that distributes pilot signals for multi-user frequency synchronization and enhanced acoustic sensing response. Our approach achieves multi-point frequency synchronization with an accuracy of 1.56 MHz and enhances acoustic sensing response to 12 kHz. By introducing the on-chip modulators to generate multi-frequency optical comb, the response bandwidth is further expanded to 28 kHz. This CSAC framework efficiently supports dense communication and diverse sensing, offering an eco-sustainable solution for the future optical networks.

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Cite

BibTeXRIS
BibTeX
@article{hu2026holistic,
  title = {{Holistic co-design of fibre-optic distributed acoustic sensing and coherent communication}},
  author = {Zihe Hu and Youmin Zhang and Mingming Zhang and Hao Wen and Jun Wang and Yuqi Li and Yizhao Chen and Junda Chen and Chen Cheng and Luming Zhao and Can Zhao and Lei Shi and Ming Tang},
  journal = {Nature Communications},
  year = {2026},
  month = sep,
  doi = {10.1038/s41467-026-78056-0},
  url = {https://doi.org/10.1038/s41467-026-78056-0},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Holistic co-design of fibre-optic distributed acoustic sensing and coherent communication
AU  - Zihe Hu
AU  - Youmin Zhang
AU  - Mingming Zhang
AU  - Hao Wen
AU  - Jun Wang
AU  - Yuqi Li
AU  - Yizhao Chen
AU  - Junda Chen
AU  - Chen Cheng
AU  - Luming Zhao
AU  - Can Zhao
AU  - Lei Shi
AU  - Ming Tang
PY  - 2026
DA  - 2026/09/25
JO  - Nature Communications
DO  - 10.1038/s41467-026-78056-0
UR  - https://doi.org/10.1038/s41467-026-78056-0
AB  - Integrating sensing into communication is crucial for the fully-connected and intelligent development of modern life. However, existing fiber-optic sensing and communication systems merely coexist without inadequate resource sharing, resulting in limited scalability for large-scale deployment. Here, we propose a holistically co-designed sensing and communication (CSAC) framework that incorporates multi-level optimization: (i) a dual-function pilot signal that shares time and spectrum resources; (ii) a simplified system using a single transmitter to simultaneously generate multi-tone pilot and subcarrier communication signals; (iii) a point-to-multipoint (P2MP) network that distributes pilot signals for multi-user frequency synchronization and enhanced acoustic sensing response. Our approach achieves multi-point frequency synchronization with an accuracy of 1.56 MHz and enhances acoustic sensing response to 12 kHz. By introducing the on-chip modulators to generate multi-frequency optical comb, the response bandwidth is further expanded to 28 kHz. This CSAC framework efficiently supports dense communication and diverse sensing, offering an eco-sustainable solution for the future optical networks.
SN  - 2041-1723
ER  -