| Records |
| Author |
Seki, T.; Shibata, H.; Takesue, H.; Tokura, Y.; Imoto, N. |
| Title |
Comparison of timing jitter between NbN superconducting single-photon detector and avalanche photodiode |
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Journal Article |
| Year |
2010 |
Publication |
Phys. C |
Abbreviated Journal |
Phys. C |
| Volume |
470 |
Issue |
20 |
Pages |
1534-1537 |
| Keywords |
SSPD; APD; jitter |
| Abstract |
We report the pulse-to-pulse timing jitter measurement of a niobium nitride (NbN) superconducting single-photon detector (SSPD) and an InGaAs avalanche photodiode (APD) at 1550-nm wavelength. A direct comparison of their timing jitter was performed by using the same experimental configuration to measure both detectors. The measured jitter of the SSPD and the APD are 75 and 84 ps at full-width at half-maximum (FWHM), and 138 and 384 ps at full-width at tenth-maximum (FWTM), respectively. The jitter of the SSPD remains small at FWTM while that of APD is wide. We also estimated the transmission distances and secure key generation rates for fiber-based quantum key distribution (QKD) which uses these detectors. The estimated transmission distances of the APD are 86 km and 107 km with respect to 1 ns and 100 ps time windows, respectively, and those of the SSPD are 125 km and 172 km with respect to 1 ns and 100 ps time windows, respectively. This estimation indicates the SSPDЃfs advantages for QKD compared to the APD. |
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613 |
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Smirnov, A. V.; Baryshev, A. M.; de Bernardis, P.; Vdovin, V. F.; Gol'tsman, G. N.; Kardashev, N. S.; Kuz'min, L. S.; Koshelets, V. P.; Vystavkin, A. N.; Lobanov, Yu. V.; Ryabchun, S. A.; Finkel, M. I.; Khokhlov, D. R. |
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The current stage of development of the receiving complex of the millimetron space observatory |
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Journal Article |
| Year |
2012 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
Radiophys. Quant. Electron. |
| Volume |
54 |
Issue |
8 |
Pages |
557-568 |
| Keywords |
Millimetron space observatory, HEB applications |
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We present an overview of the state of the onboard receiving complex of the Millimetron space observatory in the development phase of its preliminary design. The basic parameters of the onboard equipment planned to create and required for astrophysical observations are considered. A review of coherent and incoherent detectors, which are central to each receiver of the observatory, is given. Their characteristics and limiting parameters feasible at the present level of technology are reported. |
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1079 |
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de Graauw, Thijs; Whyborn, Nick; Caux, Emmanuel; Phillips, Tom; Stutzki, Juergen; Tielens, Xander; Güsten, Rolf; Helmich, Frank; Luinge, W.; Pearson, John; Roelfsema, Peter; Schieder, Rudolf; Wildeman, Klaas; Wafelbakker, Kees |
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The Herschel-heterodyne instrument for the far-infrared (HIFI) |
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Conference Article |
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2006 |
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Proc. SPIE |
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Orlando |
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421 |
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Cherednichenko, S.; Kollberg, E.; Angelov, I.; Drakinskiy, V.; Berg, T.; Merkel, H. |
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Effect of the direct detection effect on the HEB receiver sensitivity calibration |
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Conference Article |
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2005 |
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Proc. 16th Int. Symp. Space Terahertz Technol. |
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235-239 |
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HEB, mixer, direct detection effect |
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We analyze the scale of the HEB receiver sensitivity calibration error caused by the so called “direct detection effect”. The effect comes from changing of the HEB parameters when whey face the calibration loads of different temperatures. We found that for HIFI Band 6 mixers (Herschel Space Observatory) the noise temperature error is of the order of 8% for 300K/77K loads (lab receiver) and 2.5% for 100K/10K loads (in HIFI). Using different approach we also predict that with an isolator between the mixer and the low noise amplifiers the error can be much smaller. |
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Göteborg, Sweden |
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360 |
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Karpov, A.; Miller, D.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. |
| Title |
Low noise NbTiN 1.25 THz SIS mixer for Herschel Space Observatory |
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Conference Article |
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2005 |
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Proc. 16th Int. Symp. Space Terahertz Technol. |
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450 |
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Göteborg, Sweden |
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RPLAB @ s @ nt_SIS_760at1p25THz |
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359 |
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