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Unknown weak light pulse measurement using time interval distribution photon counting
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AI
DOI：10.1364/OL.547621.png)
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Abstract
En 中文
In this paper, we present a method for measuring weak light pulses using a single-photon detector, with a focus on detecting non-synchronized repetitive pulsed light. The proposed approach, based on interval distribution counting, enables accurate reconstruction of both the repetition rate and phase of weak pulses, facilitating the determination of the average photon number and pulse width. Specifically, the error in reconstructing the repetition rate is below +/- 0.01 degrees 76, while the error in measuring the photon number per pulse remains below +/- 0.8 degrees 76. (c) 2025 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.