Technology and readout for scaling up superconducting nanowire single-photon detectors

Download or read book Technology and readout for scaling up superconducting nanowire single-photon detectors written by Knehr, Emanuel Marius and published by KIT Scientific Publishing. This book was released on 2023-03-02 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.