Middle-Infrared to Visible-Light Ultrafast Superconducting Single-Photon Detectors

We present an overview of the state-of-the-art of NbN superconducting single-photon detectors (SSPDs). Our devices exhibit quantum efficiency (QE) of up to 30% in near-infrared wavelength and 0.4% at 5 mum, with a dark-count rate that can be as low as 10 -4 s -1 . The SSPD structures integrated with...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2007-06, Vol.17 (2), p.246-251
Hauptverfasser:	Gol'tsman, G., Minaeva, O., Korneev, A., Tarkhov, M., Rubtsova, I., Divochiy, A., Milostnaya, I., Chulkova, G., Kaurova, N., Voronov, B., Pan, D., Kitaygorsky, J., Cross, A., Pearlman, A., Komissarov, I., Slysz, W., Wegrzecki, M., Grabiec, P., Sobolewski, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Character generation Delay Detectors Devices High speed Inductance Kinetic theory Microcavities NbN superconducting films Optical fiber communication Optical fiber devices photodetector quantum efficiency quantum communications Quantum computing quantum cryptography single-photon detectors Superconductivity superconductor photoresponse Timing jitter Wavelengths
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