Inter-pixel cross-talk as background to two-photon interference effects in SPAD arrays
Cross-talk is a well-known feature of single-photon avalanche detectors. It is especially important to account for this effect in applications involving coincidences of two or more photons registered by the sensor since in this case the cross-talk may mimic the useful signal. In this work, we charac...
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21-06-2024
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| Abstract | Cross-talk is a well-known feature of single-photon avalanche detectors. It
is especially important to account for this effect in applications involving
coincidences of two or more photons registered by the sensor since in this case
the cross-talk may mimic the useful signal. In this work, we characterize the
cross-talk of the LinoSPAD2 detector, as well as perform joint measurements of
the cross-talk and Hanbury Brown - Twiss two-photon interference, comparing and
cross-calibrating both effects. With a median dark count rate of 125 cps/pixel,
we report the average cross-talk probability of $0.22~\%$ for the nearest
neighbor and also observe a long-range cross-talk of the order $2 \cdot
10^{-5}~\%$ for channels separated by up to 20 pixels. |
|---|---|
| AbstractList | Cross-talk is a well-known feature of single-photon avalanche detectors. It
is especially important to account for this effect in applications involving
coincidences of two or more photons registered by the sensor since in this case
the cross-talk may mimic the useful signal. In this work, we characterize the
cross-talk of the LinoSPAD2 detector, as well as perform joint measurements of
the cross-talk and Hanbury Brown - Twiss two-photon interference, comparing and
cross-calibrating both effects. With a median dark count rate of 125 cps/pixel,
we report the average cross-talk probability of $0.22~\%$ for the nearest
neighbor and also observe a long-range cross-talk of the order $2 \cdot
10^{-5}~\%$ for channels separated by up to 20 pixels. |
| Author | Potuckova, Tereza Milanese, Tommaso Kulkov, Sergei Bernasconi, Ermanno Svihra, Peter Bruschini, Claudio Shawkat, Mst Shamim Ara Nomerotski, Andrei Charbon, Edoardo |
| Author_xml | – sequence: 1 givenname: Sergei surname: Kulkov fullname: Kulkov, Sergei – sequence: 2 givenname: Tereza surname: Potuckova fullname: Potuckova, Tereza – sequence: 3 givenname: Ermanno surname: Bernasconi fullname: Bernasconi, Ermanno – sequence: 4 givenname: Claudio surname: Bruschini fullname: Bruschini, Claudio – sequence: 5 givenname: Tommaso surname: Milanese fullname: Milanese, Tommaso – sequence: 6 givenname: Edoardo surname: Charbon fullname: Charbon, Edoardo – sequence: 7 givenname: Mst Shamim Ara surname: Shawkat fullname: Shawkat, Mst Shamim Ara – sequence: 8 givenname: Andrei surname: Nomerotski fullname: Nomerotski, Andrei – sequence: 9 givenname: Peter surname: Svihra fullname: Svihra, Peter |
| BackLink | https://doi.org/10.48550/arXiv.2406.15323$$DView paper in arXiv |
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| Snippet | Cross-talk is a well-known feature of single-photon avalanche detectors. It
is especially important to account for this effect in applications involving... |
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| SubjectTerms | Physics - Instrumentation and Detectors Physics - Quantum Physics |
| Title | Inter-pixel cross-talk as background to two-photon interference effects in SPAD arrays |
| URI | https://arxiv.org/abs/2406.15323 |
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