This work presents three advances to scale SNSPDs from few-pixel devices to large detector arrays: atomic layer deposition for the fabrication of uniform superconducting niobium nitride films of few-nanometer thickness, a frequency-multiplexing scheme to operate multiple detectors with a reduced number of lines, and the integration of SNSPDs with free-form polymer structures to achieve efficient optical coupling onto the active area of the detectors.
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Knehr, E. 2023. Technology and readout for scaling up superconducting nanowire single-photon detectors. Karlsruhe: KIT Scientific Publishing. DOI: https://doi.org/10.5445/KSP/1000152607
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Veröffentlicht am 2. März 2023
Englisch
202
Paperback | 978-3-7315-1256-1 |