MIMOPT TECHNOLOGY Presents Research at ACP 2023, Wuhan

MIMOPT TECHNOLOGY Publishes Research at Asia’s Leading Photonics Conference

MIMOPT TECHNOLOGY presented a new research paper at the Asia Communications and Photonics Conference (ACP/POEM 2023), held in Wuhan, China in November 2023. The paper, co-authored by Rami Klaimi, Akram Abouseif, Ghaya Rekaya, and Yves Jaouën, was presented by Akram Abouseif and has been published in the IEEE conference proceedings. If you are attending ACP 2023, make sure to catch the presentation and come say hello to the team!

What the Research Is About

When data travels through optical fibre, it is encoded into light signals. One of the most effective ways to send more data through the same fibre — without replacing it — is to make smarter use of the light signal itself, by carefully choosing how often each symbol (a distinct point of light carrying information) is transmitted. Symbols that carry more information are sent less frequently, while simpler ones are sent more often. This technique is known as probabilistic constellation shaping, and it can significantly increase the amount of data a fibre link can carry.

The challenge, however, is building a system that can apply this shaping efficiently at the transmitter and then reverse it accurately and with low computational effort at the receiver. In this paper, the MIMOPT team proposes a new design for this system — called a distribution matcher — based on a family of error-correcting codes known as non-binary convolutional codes. The approach is specifically designed for short data frames, which are common in real optical networks, and ensures that the receiver side (dematching) remains simple and low-cost to implement. The result is a practical, hardware-friendly solution that brings the capacity benefits of constellation shaping closer to real-world deployment.

About ACP

The Asia Communications and Photonics Conference (ACP) is one of Asia’s premier international forums for optical communications and photonics research. Held annually, it brings together leading researchers, engineers, and industry professionals from around the world to present and discuss the latest advances in optical networking, photonic devices, and communications systems.

Conference: Asia Communications and Photonics Conference (ACP/POEM 2023), Wuhan, China

Authors: Rami Klaimi, Akram Abouseif, Ghaya Rekaya, Yves Jaouën

Paper: IEEE Xplore — Télécom Paris HAL