Experimental Demonstration of End-to-End Optimization for Directly Modulated Laser-based IM/DD Systems

TL;DR

This paper experimentally demonstrates a joint optimization approach for DML-based IM/DD systems, achieving better performance with fewer resources compared to traditional nonlinear equalization methods.

Contribution

It introduces a novel end-to-end optimization method for transmitter and receiver parameters in DML-based IM/DD systems, improving efficiency and performance.

Findings

Superior performance over nonlinear receiver-only equalization

Uses fewer memory taps and less bandwidth

Lower radiofrequency power consumption

Abstract

We experimentally demonstrate the joint optimization of transmitter and receiver parameters in directly modulated laser systems, showing superior performance compared to nonlinear receiver-only equalization while using fewer memory taps, less bandwidth, and lower radiofrequency power.