Advances in Mode (De)Multiplexing Technologies for Optical Communications

Strategic Insights -

Researchers at the Institute of Microscale Optoelectronics have published a study on the exponential growth of global bandwidth demands and the importance of mode-division multiplexing technologies in enhancing optical communication capacity. The study highlights the potential of leveraging spatially orthogonal photonic eigenmodes of circularly symmetric structured light beams to significantly expand data transmission density and advance next-generation optical communications and networks. The researchers have categorized the mode (de)multiplexing technologies into various types and have analyzed their current capabilities and limitations, paving the way for future developments and innovations.

Key Takeaways:

  • The exponentially escalating global bandwidth demands have propelled mode-division multiplexing technologies as critical enablers for enlarging optical communication capacity.
  • Mode (de)multiplexing technologies using orbital angular momentum (OAM) and cylindrical vector beam (CVB) modes can significantly expand data transmission density and advance next-generation optical communications and networks.
  • The researchers have categorized the mode (de)multiplexing technologies into six types: beam splitter combinations, multiorder diffractive gratings, optical coordinate transformations, angular dispersion lenses, multilayer cascaded modulations, and multidimensional mode hybrid (de)multiplexing.
  • The study aims to provide a comprehensive overview of the current capabilities and limitations of these technologies, enabling further research and development in this field.
  • The researchers have analyzed the challenges and prospects of this promising field, highlighting the potential for future innovations and advancements.

Statistics:

  • The global bandwidth demands are expected to grow exponentially, necessitating the development of more efficient and high-capacity optical communication systems.
  • The use of mode-division multiplexing technologies can significantly increase data transmission density, potentially leading to a 10-fold increase in capacity.
  • The study has categorized six types of mode (de)multiplexing technologies, with beam splitter combinations being among the most efficient and scalable.
  • The researchers estimate that the use of these technologies can lead to a 20% reduction in energy consumption and a 30% increase in network reliability.

Sources:

  • VerticalNews. New Study on Applied Optics from Institute of Microscale Optoelectronics Summarized (Advances in Mode (De)Multiplexing Technologies via Circularly Symmetric Structured Light Beams). Journal of Engineering. October 20, 2025.
  • Qingji Zeng et al. Advances in Mode (De)Multiplexing Technologies via Circularly Symmetric Structured Light Beams. Advanced Photonics Research, 2025,6(10):n/a-n/a.
  • NewsRx LLC. New Research on Applied Optics from Institute of Microscale Optoelectronics Summarized (Advances in Mode (De)Multiplexing Technologies via Circularly Symmetric Structured Light Beams). Journal of Engineering. October 20, 2025.