Experimental Demonstration of Optoelectronic Equalization for Short-reach Transmission with Reservoir Computing

TL;DR

This paper demonstrates an experimental optoelectronic equalization method using reservoir computing to improve short-reach optical transmission, effectively compensating for signal impairments over 80 km of fiber.

Contribution

It introduces a novel reservoir computing-based equalization technique that combines optical and digital processing for enhanced signal recovery in short-reach optical links.

Findings

Successful equalization of 32 GBd OOK signals over 80 km

Effective compensation of signal impairments using reservoir computing

Shared complexity between optical and digital domains achieved

Abstract

A receiver with shared complexity between optical and digital domains is experimentally demonstrated. Reservoir computing is used to equalize up to 4 directly-detected optically filtered spectral slices of a 32 GBd OOK signal over up to 80 km of SMF.