Journal
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume 21, Issue 2, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTQE.2014.2372054
Keywords
Single-photon detectors; infrared photon detectors; SNSPDs; SSPDs; niobium nitride
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Funding
- DARPA Information in a Photon program from the Army Research Office [W911NF-10-1-0416]
- National Science Foundation [ECCS-1128222]
- Air Force Office of Scientific Research [FA9550-14-1-0052]
- Claude E. Shannon Fellowship of the MIT Research Laboratory of Electronics
- NSF iQuISE Fellowship [0801525]
- IARPA [FA8650-11-C-7105]
- Chinese Scholarship Council [201161919021]
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We present an optimized fabrication process for superconducting nanowire single-photon detectors that allowed us to obtain a yield of similar to 70% for detectors based on 80-nm-wide niobium nitride nanowires. We fabricated detectors that showed 24-ps timing jitter and saturated detection efficiency without the need for cryogenic amplifiers, allowing for operation in a low-bias low-dark-count-rate regime while operating at maximum detection efficiency.
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