Single-shot polarimetry imaging of multicore fiber

Siddharth Sivankutty , Esben Ravn Andresen (1) , Géraud Bouwmans (2) , Thomas G. Brown , Miguel Alonso , Hervé Rigneault (1)

1 MOSAIC - MOSAIC
2 PhLAM - Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523

We report an experimental test of single-shot polarimetry applied to the problem of real-time monitoring of the output polarization states in each core within a multicore fiber bundle. The technique uses a stress-engineered optical element, together with an analyzer, and provides a point spread function whose shape unambiguously reveals the polarization state of a point source. We implement this technique to monitor, simultaneously and in real time, the output polarization states of up to 180 single-mode fiber cores in both conventional and polarization-maintaining fiber bundles. We demonstrate also that the technique can be used to fully characterize the polarization properties of each individual fiber core, including eigen-polarization states, phase delay, and diattenuation.

Domaines: Optique / photonique

Siddharth Sivankutty, Esben Ravn Andresen, Géraud Bouwmans, Thomas G. Brown, Miguel Alonso, et al.. Single-shot polarimetry imaging of multicore fiber. 2024. ⟨hal-01308821⟩