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Single-photon detection in the mid-infrared up to 10 micron wavelength using tungsten silicide superconducting nanowire detectors
V. B. Verma, B. Korzh, A. B. Walter +15
We developed superconducting nanowire single-photon detectors (SNSPDs) based on tungsten silicide (WSi) that show saturated internal detection efficiency up to a wavelength of 10 u…
Resolving photon numbers using a superconducting tapered nanowire detector
Di Zhu, Marco Colangelo, Changchen Chen +4
Time- and number-resolved photon detection is crucial for photonic quantum information processing. Existing photon-number-resolving (PNR) detectors usually have limited timing and…
Demonstration of microwave multiplexed readout of DC biased superconducting nanowire detectors
A. K. Sinclair, E. Schroeder, D. Zhu +5
Superconducting nanowires are widely used as sensitive single photon detectors with wide spectral coverage and high timing resolution. We describe a demonstration of an array of DC…
Superconducting nanowire single-photon detector with integrated impedance-matching taper
Di Zhu, Marco Colangelo, Boris A. Korzh +11
Conventional readout of a superconducting nanowire single-photon detector (SNSPD) sets an upper bound on the output voltage to be the product of the bias current and the load imped…
Jitter Characterization of a Dual-Readout SNSPD
D. F. Santavicca, B. Noble, C. Kilgore +4
To better understand the origins of the timing resolution, also known as jitter, of superconducting nanowire single-photon detectors (SNSPDs), we have performed timing characteriza…
Demonstrating sub-3 ps temporal resolution in a superconducting nanowire single-photon detector
B. A. Korzh, Q-Y. Zhao, S. Frasca +20
Improving the temporal resolution of single photon detectors has an impact on many applications, such as increased data rates and transmission distances for both classical and quan…
A scalable multi-photon coincidence detector based on superconducting nanowires
Di Zhu, Qing-Yuan Zhao, Hyeongrak Choi +4
Coincidence detection of single photons is crucial in numerous quantum technologies and usually requires multiple time-resolved single-photon detectors. However, the electronic rea…
Operation of a superconducting nanowire in two detection modes: KID and SPD
Edward Schroeder, Philip Mauskopf, Hamdi Mani +3
We present the performance of a superconducting nanowire that can be operated in two detection modes: i) as a kinetic inductance detector (KID) or ii) as a single-photon detector (…