Silicon Photomultipliers for Detection of Photon Bunching Signatures

In this work, photon bunching from LED light was observed for the first time using SiPMs. The bunching signature was observed with a significance of \(7.3~\sigma\) using 97~hs of data. The light was spectrally filtered using a 1~nm bandpass filter and an Etalon filter to ensure temporal coherence of...

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Bibliographic Details
Published in:arXiv.org 2024-06
Main Authors: Finazzi, Lucas, Izraelevitch, Federico, Luszczak, Alexis, Huber, Thomas, Haungs, Andreas, Golmar, Federico
Format: Article
Language:English
Subjects:
Bandpass filters
Bunching
Coherence
Etalons
Photomultiplier tubes
Photons
Time measurement
Waveforms
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Summary:In this work, photon bunching from LED light was observed for the first time using SiPMs. The bunching signature was observed with a significance of \(7.3~\sigma\) using 97~hs of data. The light was spectrally filtered using a 1~nm bandpass filter and an Etalon filter to ensure temporal coherence of the field and its coherence time was measured to be \(\tau_C = (19 \pm 2)\)~ps. The impact of SiPM non-idealities in these kinds of measurements is explored, and we describe the methodology to process SiPM analog waveforms and the event selection used to mitigate these non-idealities.
ISSN:2331-8422
DOI:10.48550/arxiv.2401.01316