Eight-fold signal amplification of a superconducting nanowire single-photon detector using a multiple-avalanche architecture
Author(s)Zhao, Qingyuan; McCaughan, Adam N.; Najafi, Faraz; Bellei, Francesco; De Fazio, Domenico; Sunter, Kristen A.; Ivry, Yachin; Berggren, Karl K.; Dane, Andrew Edward; ... Show more Show less
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Superconducting nanowire avalanche single-photon detectors (SNAPs) with n parallel nanowires are advantageous over single-nanowire detectors because their output signal amplitude scales linearly with n. However, the SNAP architecture has not been viably demonstrated for n > 4. To increase n for larger signal amplification, we designed a multi-stage, successive-avalanche architecture which used nanowires, connected via choke inductors in a binary-tree layout. We demonstrated an avalanche detector with n = 8 parallel nanowires and achieved eight-fold signal amplification, with a timing jitter of 54 ps.
DepartmentMassachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Optical Society of America
Zhao, Qingyuan, Adam N. McCaughan, Andrew E. Dane, Faraz Najafi, Francesco Bellei, Domenico De Fazio, Kristen A. Sunter, Yachin Ivry, and Karl K. Berggren. “Eight-Fold Signal Amplification of a Superconducting Nanowire Single-Photon Detector Using a Multiple-Avalanche Architecture.” Optics Express 22, no. 20 (2014): 24574.