QuCoA
Brand: PicoQuant | Category: Nanotechnology
QuCoA is an integrated acquisition and analysis package for PicoQuant time tagging and TCSPC electronics, aimed at experiments built around photon coincidences. It calculates g(2) antibunching correlations under continuous wave or pulsed excitation, with fitting models for single emitters with and without shelving states, pulsed excitation models and detector resolution corrections. Coincidence counting is defined through user set logical filters using AND, OR and NOT across detection channels and markers within configurable time gates. A scripting language allows custom analysis routines, and the software can be driven remotely over TCP/IP while acquiring and visualising data in real time.
Published software capabilities
| Parameter | Value |
|---|---|
| Supported TCSPC modules | HydraHarp 500, HydraHarp 400, PicoHarp 330, PicoHarp 300, TimeHarp 260, MultiHarp 150, MultiHarp 160 |
| Supported number of detectors | Up to 65 (dependent on the number of channels from the TCSPC module) |
| Supported number of markers for coincidence counting | Up to 4 |
| Measurement modes | Antibunching, coincidence correlation, coincidence counting |
| Measurement previews | Coincidence correlation trace (g(2) / Antibunching), coincidence counting, intensity time trace, TCSPC histogram Parallel calculation and display of up to 4 different previews |
Selected manufacturer software capabilities. Detector count depends on the connected TCSPC hardware and licence; software does not add physical detector inputs to an instrument. Confirm current release and module compatibility. Checked 2026-09-29.
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