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Driessen, Eduard Frans Clemens |
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Coupling light to periodic nanostructures |
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2009 |
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Faculty of Science, Leiden University |
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Fac. Scien., Leiden Un. |
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144 |
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SSPD |
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Issue Date: 2009-09-24 |
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RPLAB @ gujma @ |
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675 |
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Minaeva, O.; Fraine, A.; Korneev, A.; Divochiy, A.; Goltsman, G.; Sergienko, A. |
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High resolution optical time-domain reflectometry using superconducting single-photon detectors |
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Conference Article |
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2012 |
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Frontiers in Opt. 2012/Laser Sci. XXVIII |
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Frontiers in Opt. 2012/Laser Sci. XXVIII |
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Fw3a.39 |
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SSPD, SNSPD, Photodetectors; Fiber characterization; Light beams; Optical time domain reflectometry; Photon counting; Single mode fibers; Single photon detectors; Superconductors |
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We discuss the advantages and limitations of single-photon optical time-domain reflectometry with superconducting single-photon detectors. The higher two-point resolution can be achieved due to superior timing performance of SSPDs in comparison with InGaAs APDs. |
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Optical Society of America |
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1237 |
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Stevens, M.; Hadfeld, R.; Schwall, R.; Nam, S.W.; and Mirin, R. |
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Quantum dot single photon sources studied with superconducting single photon detectors |
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2006 |
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IEEE J. Sel. Topics Quantum Electron. |
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12 |
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6 |
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1255-1267 |
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SSPD, jitter, QD, QW |
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RPLAB @ akorneev @ |
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612 |
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Wang, Zhen; Miki, S.; Fujiwara, M. |
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Superconducting nanowire single-photon detectors for quantum information and communications |
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2009 |
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IEEE J. Sel. Topics Quantum Electron. |
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15 |
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6 |
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1741-1747 |
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Superconducting nanowire single-photon detectors (SNSPDs or SSPD) are highly promising devices in the growing field of quantum information and communications technology. We have developed a practical SSPD system with our superconducting thin films and devices fabrication, optical coupling packaging, and cryogenic technology. The SSPD system consists of six-channel SSPD devices and a compact Gifford-McMahon (GM) cryocooler, and can operate continuously on 100 V ac power without the need for any cryogens. The SSPD devices were fabricated from high-quality niobium nitride (NbN) ultrathin films that were epitaxially grown on single-crystal MgO substrates. The packaged SSPD devices were temperature stabilized to 2.96 K ± 10 mK. The system detection efficiency for an SSPD device with an area of 20 × 20 ¿m2 was found to be 2.6% and 4.5% at wavelengths of 1550 and 1310 nm, respectively, at a dark count rate of 100 Hz, and a jitter of 100 ps full-width at half maximum. We also performed ultrafast BB84 quantum key distribution (QKD) field testing and entanglement-based QKD experiments using these SSPD devices. |
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RPLAB @ gujma @ |
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676 |
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Korneev, Alexander; Vachtomin, Yury; Minaeva, Olga; Divochiy, Alexander; Smirnov, Konstantin; Okunev, Oleg; Gol'tsman, Gregory; Zinoni, C.; Chauvin, Nicolas; Balet, Laurent; Marsili, Francesco; Bitauld, David; Alloing, Blandine; Li, Lianhe; Fiore, Andrea; Lunghi, L.; Gerardino, Annamaria; Halder, Matthäus; Jorel, Corentin; Zbinden, Hugo |
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Single-photon detection system for quantum optics applications |
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2007 |
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IEEE J. Select. Topics Quantum Electron. |
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IEEE J. Select. Topics Quantum Electron. |
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13 |
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4 |
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944-951 |
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SSPD, SNSPD |
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We describe the design and characterization of a fiber-coupled double-channel single-photon detection system based on superconducting single-photon detectors (SSPD), and its application for quantum optics experiments on semiconductor nanostructures. When operated at 2-K temperature, the system shows 10% quantum efficiency at 1.3-¿m wavelength with dark count rate below 10 counts per second and timing resolution <100 ps. The short recovery time and absence of afterpulsing leads to counting frequencies as high as 40 MHz. Moreover, the low dark count rate allows operation in continuous mode (without gating). These characteristics are very attractive-as compared to InGaAs avalanche photodiodes-for quantum optics experiments at telecommunication wavelengths. We demonstrate the use of the system in time-correlated fluorescence spectroscopy of quantum wells and in the measurement of the intensity correlation function of light emitted by semiconductor quantum dots at 1300 nm. |
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1077-260X |
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