Scientific Concepts

Photon Number Resolution: Background and State-of-the-Art

Photon Number Resolution: Background and State-of-the-Art

Photon Number Resolution (PNR), the ability to distinguish how many photons are impinging on a single photon detector within a defined time window, can be achieved through pseudo-PNR, where photon numbers are statistically inferred, or intrinsic PNR, where photon numbers are measured directly from the detector signal.

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Time-Correlated Single Photon Counting (TCSPC)

Time-Correlated Single Photon Counting (TCSPC)

Time-Correlated Single Photon Counting (TCSPC) is a technique that measures the precise arrival times of individual photons emitted by a sample following an excitation with a pulsed light source.

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