Photon echoes in strongly scattering media: a diagrammatic approach

TL;DR

This paper develops a diagrammatic and numerical approach to understand photon echo generation in strongly scattering media, revealing correlations between driving fields and echoes, with implications for measuring optical properties in complex materials.

Contribution

It introduces a novel diagrammatic and simulation-based framework for analyzing photon echoes in disordered media, enhancing understanding of non-linear wave propagation in complex systems.

Findings

Strong correlation between driving fields and echo beams.

Supports experimental measurements of optical dipole lifetime T2.

Provides insights into non-linear wave behavior in scattering media.

Abstract

We study photon echo generation in disordered media with the help of multiple scattering theory based on diagrammatic approach and numerical simulations. We show that a strong correlation exists between the driving fields at the origin of the echo and the echo beam. Opening the way to a better understanding of non-linear wave propagation in complex materials, this work supports recent experimental results with applications to the measurement of the optical dipole lifetime $T_2$ in powders.