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Author Stevens, M.; Hadfield, R.; Schwall, R.; Nam, S.W.; Mirin, R.; Gupta, J.
Title Fast lifetime measurements of infrared emitters using a low-jitter superconduct- ing single-photon detector Type Journal Article
Year 2006 Publication (up) Applied Physics Letters Abbreviated Journal Appl. Phys. Lett.
Volume 89 Issue Pages 031109
Keywords SSPD, jitter, QD, QW
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Call Number RPLAB @ akorneev @ Serial 611
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Author Pernice, W.; Schuck, C.; Minaeva, O.; Li, M.; Goltsman, G. N.; Sergienko, A. V.; Tang, H. X.
Title High speed and high efficiency travelling wave single-photon detectors embedded in nanophotonic circuits Type Miscellaneous
Year 2012 Publication (up) arXiv Abbreviated Journal arXiv
Volume 1108.5299 Issue Pages 1-23
Keywords optical waveguides, waveguide SSPD, guantum photonics, jitter, detection efficiency
Abstract Ultrafast, high quantum efficiency single photon detectors are among the most sought-after elements in modern quantum optics and quantum communication. High photon detection efficiency is essential for scalable measurement-based quantum computation, quantum key distribution, and loophole-free Bell experiments. However, imperfect modal matching and finite photon absorption rates have usually limited the maximum attainable detection efficiency of single photon detectors. Here we demonstrate a superconducting nanowire detector atop nanophotonic waveguides which allows us to drastically increase the absorption length for incoming photons. When operating the detectors close to the critical current we achieve high on-chip single photon detection efficiency up to 91% at telecom wavelengths, with uncertainty dictated by the variation of the waveguide photon flux. We also observe remarkably low dark count rates without significant compromise of detection efficiency. Furthermore, our detectors are fully embedded in a scalable silicon photonic circuit and provide ultrashort timing jitter of 18ps. Exploiting this high temporal resolution we demonstrate ballistic photon transport in silicon ring resonators. The direct implementation of such a detector with high quantum efficiency, high detection speed and low jitter time on chip overcomes a major barrier in integrated quantum photonics.
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Call Number Serial 845
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Author Sobolewski, R.; Verevkin, A.; Gol’tsman, G. N.
Title Superconducting optical single-photon detectors Type Conference Article
Year 2004 Publication (up) CLEO/QELS Abbreviated Journal CLEO/QELS
Volume Issue Pages IThD1
Keywords SSPD, QE, jitter, dark counts
Abstract We review the development of superconducting single-photon detectors. The devices are characterized by experimental quantum efficiency of ~8% for infrared photons, counting rate ~2 GHz, 18 ps jitter, and <0.01 per second dark counts.
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Publisher Optical Society of America Place of Publication Editor
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Call Number Sobolewski:04 Serial 1489
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Author Stevens, M.; Hadfeld, R.; Schwall, R.; Nam, S.W.; and Mirin, R.
Title Quantum dot single photon sources studied with superconducting single photon detectors Type Journal Article
Year 2006 Publication (up) IEEE J. Sel. Topics Quantum Electron. Abbreviated Journal
Volume 12 Issue 6 Pages 1255-1267
Keywords SSPD, jitter, QD, QW
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Call Number RPLAB @ akorneev @ Serial 612
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Author Zhang, Jin; Slysz, W.; Verevkin, A.; Okunev, O.; Chulkova, G.; Korneev, A.; Lipatov, A.; Gol'tsman, G. N.; Sobolewski, R.
Title Response time characterization of NbN superconducting single-photon detectors Type Journal Article
Year 2003 Publication (up) IEEE Trans. Appl. Supercond. Abbreviated Journal
Volume 13 Issue 2 Pages 180-183
Keywords SSPD jitter, SNSPD jitter
Abstract We report our time-resolved measurements of NbN-based superconducting single-photon detectors. The structures are meander-type, 10-nm thick, and 200-nm wide stripes and were operated at 4.2 K. We have shown that the NbN devices can count single-photon pulses with below 100-ps time resolution. The response signal pulse width was about 150 ps, and the system jitter was measured to be 35 ps.
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Publisher IEEE Place of Publication Editor
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Call Number Serial 1058
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