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Readout-efficient superconducting nanowire single-photon imager with orthogonal time–amplitude multiplexing by hotspot quantization - Nature Photonics
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Scaling superconducting nanowire single-photon detectors into a large array to obtain imaging capability is desired for applications in photon-starved conditions, considering the outstanding performance already demonstrated on a single detector. However, this is challenging because the ultralow operation temperature only allows specific electronics of ultralow power dissipation to work. Here we develop a kilopixel imager by introducing an orthogonal time–amplitude-multiplexing method.
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