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Updated: Sep 17, 2025

Author Spotlight: Deciphering the Mysteries of Skeletal Muscle Fiber Types Using the MyDoBID Technique
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Terabits without fibres.

Zhenyu Xie1, Qi-Fan Yang2,3,4

  • 1State Key Laboratory for Artificial Microstructure and Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University, 100871, Beijing, China.

Light, Science & Applications
|July 2, 2025
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Summary
This summary is machine-generated.

A new microcomb-based optical link sets a record for data transmission speed at 8.21 Terabits per second. This breakthrough utilizes advanced techniques to overcome atmospheric interference for reliable, high-speed communication.

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Area of Science:

  • Optics and Photonics
  • Telecommunications Engineering

Background:

  • Free-space optical communication offers high bandwidth potential but suffers from atmospheric turbulence.
  • Microcomb technology enables compact and versatile light sources for optical systems.

Purpose of the Study:

  • To demonstrate a record-high bandwidth free-space optical link using microcomb technology.
  • To implement novel methods for mitigating turbulence and correcting errors in coherent optical communication.

Main Methods:

  • Utilized a microcomb-based light source for a coherent free-space optical link.
  • Implemented advanced beam stabilization techniques to counteract atmospheric effects.
  • Employed carrier phase retrieval schemes for robust error correction.

Main Results:

  • Achieved a record-breaking bandwidth of 8.21 Terabits per second (Tbps).
  • Demonstrated effective suppression of turbulence-induced signal degradation.
  • Successfully corrected errors through carrier phase retrieval.

Conclusions:

  • Microcomb-based coherent free-space optical links are a viable technology for ultra-high bandwidth communication.
  • Novel stabilization and phase retrieval methods are crucial for reliable performance in turbulent environments.
  • This work paves the way for next-generation high-speed wireless optical networks.