EDA-RoF: Elastic Digital-Analog Radio-Over-Fiber (RoF) Modulation and Demodulation Architecture Enabling Seamless Transition Between Analog RoF and Digital RoF

TL;DR

This paper introduces an elastic digital-analog radio-over-fiber architecture that seamlessly transitions between analog and digital RoF, demonstrating high linearity and near-ideal SNR scaling.

Contribution

It presents a novel elastic RoF modulation/demodulation architecture that unifies analog and digital RoF systems with high linearity and performance.

Findings

Achieved quasilinear SNR scaling with R^2=0.9908.

Demonstrated seamless transition between A-RoF and D-RoF.

Validated high linearity in the proposed architecture.

Abstract

We propose and demonstrate an elastic digital-analog radio-over-fiber (RoF) modulation and demodulation architecture, seamlessly bridging A-RoF and D-RoF solutions, achieving quasilinear SNR scaling with respect to 1/{\eta}, and evidenced by R^2=0.9908.