Exploring entangled photonic state properties for polarization-based characterization of light scattering in a turbid medium

Polarization-based sensing proved highly effective for studying complex samples that exhibit strong scattering. This elevated the classical polarimetry as a well-acknowledged technique, especially for biomedical diagnostics [1]. Revisiting polarization-based sensing with non-classical states of light reveals the potential of the improved sensitivity [2] and enhanced accuracy [3] of the measurement compared to the classical sensing scenario. Our recent proof-of-concept experiments with photons entangled in polarization unveiled the potential of such states for quantitative characterization of scattering in tissue-mimicking phantoms [4]. In this study, we further explore the evolution of the polarization-entangled states in a turbid environment. In particular, we explore which properties of such states could be used for sensing purposes as monitoring parameters.