Experimental evaluation demonstrates a superconducting microstrip single-photon detector with a 260 µm active area, suggesting potential utility in photon-starved imaging.
Numerous applications at the photon-starved regime require a free-space coupling single-photon detector with a large active area, low dark count rate (DCR), and superior time resolutions. Here, we developed a superconducting microstrip single-photon detector (SMSPD), with a large active area of 260 µm in diameter, a DCR of ∼5
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Wang et al. (2024) studied this question.
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