Data for: Temporal signature of bosonic stimulation induced by dark exciton in a two-photon-pumped polariton condensate

Dataset accompanying the article:

“Temporal signature of bosonic stimulation induced by dark exciton in a two-photon-pumped polariton condensate”, accepted for publication in Physical Review Letters.

This dataset contains the processed experimental and model data used to generate Fig. 2 (a)–(h) of the manuscript. The data include time- and spectrally-resolved lower polariton (LP) condensate photoluminescence (PL) measured in a GaAs-based microcavity at T ≈ 6 K, for multiple exciton–cavity detuning energies and for both one-photon and two-photon excitation schemes at the same integrated PL value above the condensation threshold.

For each panel, two files are provided:

• PL streak data: peak-normalized condensate PL intensity maps as a function of time (ps) and emission energy (meV)

• Model curves: time-dependent functions corresponding to the blueshift contributions of the background exciton reservoir and condensate populations, rescaled onto the LP energy axis

A Python script (Plot_Fig2_from_CSV.py) is included to reproduce all panels of Fig. 2 (a)-(h) directly from the provided CSV files.

These datasets are sufficient to reproduce the main experimental results and model overlays presented in the manuscript.