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Real-time channel selection in multi-mode multiplexing optical interconnection implemented by hybrid algorithm and

Te Du, Mingyu Luo, Hansi Ma

|June 11, 2024

Summary

This summary is machine-generated.

This study introduces a novel phase-change material mode switch for multi-mode multiplexing optical interconnections (MMOI). This innovation enables real-time channel selection, reducing interference and enhancing communication bandwidth.

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Last Updated: Jun 24, 2025

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Area of Science:

Photonics and Optical Communications
Materials Science
Integrated Optics

Background:

Multi-mode multiplexing optical interconnection (MMOI) expands communication bandwidth but suffers from receiver interference due to constant-on channels.
Existing MMOI systems lack real-time selective channel control, hindering efficient information extraction and processing.

Purpose of the Study:

To develop a real-time selective mode switch for MMOI systems to enable individual channel control.
To address interference issues and improve the efficiency of MMOI systems.

Main Methods:

Proposed a novel mode switch utilizing phase-change materials for individual mode tuning (passing/blocking) in bus waveguides.
Employed a particle swarm optimization algorithm with embedded neural network surrogate models (NN-in-PSO) for efficient multi-dimensional design optimization.
Integrated the designed mode switch into an MMOI system to demonstrate real-time channel selection functionality.

Main Results:

The developed mode switch exhibits ultra-compactness, rapid tuning, nonvolatility, and a large extinction ratio.
Successful demonstration of real-time channel selection capability within the MMOI system.
Validated the fabricating robustness of the phase-change material mode switch.

Conclusions:

The proposed phase-change material mode switch offers a viable solution for real-time selective channel control in MMOI systems.
The NN-in-PSO optimization approach significantly reduces design costs and enables complex optimizations.
The technology shows promise for large-scale application in advanced optical communication systems.