| Records |
| Author |
O'Neal, Claire |
| Title |
A project guide to rocks and minerals |
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Book Whole |
| Year |
2010 |
Publication |
Mitchell Lane Publishers |
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Pages |
1-47 |
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children |
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1147 |
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| Author |
Семенов, Александр Владимирович |
| Title |
Проскальзывание фазы, поглощение электромагнитного излучения и формирование отклика в детекторах на основе узких полосок сверхпроводников |
Type |
Manuscript |
| Year |
2010 |
Publication |
М. МПГУ |
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Pages |
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| Keywords |
SSPD, SNSPD, response |
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Thesis |
Ph.D. thesis |
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| Language |
Russian |
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no |
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1150 |
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| Author |
Lobanov, Yury V.; Tong, Cheuk-yu E.; Hedden, Abigail S.; Blundell, Raymond; Gol’tsman, Gregory N. |
| Title |
Microwave-assisted measurement of the frequency response of terahertz HEB mixers with a Fourier transform spectrometer |
Type |
Conference Article |
| Year |
2010 |
Publication |
Proc. 21th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 21th Int. Symp. Space Terahertz Technol. |
| Volume |
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Issue |
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Pages |
420-423 |
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| Abstract |
We describe a novel method of operation of the HEB direct detector for use with a Fourier Transform Spectrometer. Instead of elevating the bath temperature, we have measured the RF response of waveguide HEB mixers by applying microwave radiation to select appropriate bias conditions. In our experiment, a microwave signal is injected into the HEB mixer via its IF port. By choosing an appropriate injection level, the device can be operated close to the desired operating point. Furthermore, we have shown that both thermal biasing and microwave injection can reproduce the same spectral response of the HEB mixer. However, with the use of microwave injection, there is no need to wait for the mixer to reach thermal equilibrium, so characterisation can be done in less time. Also, the liquid helium consumption for our wet cryostat is also reduced. We have demonstrated that the signal- to-noise ratio of the FTS measurements can be improved with microwave injection. |
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no |
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1394 |
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| 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 |
Type |
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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RPLAB @ akorneev @ |
Serial |
613 |
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| Author |
Heeres, R.W.; Dorenbos, S.N.; Koene, B.; Solomon, G.S.; Kouwenhoven, L.P.; Zwiller, V. |
| Title |
On-Chip Single Plasmon Detection |
Type |
Journal Article |
| Year |
2010 |
Publication |
Nano Letters |
Abbreviated Journal |
Nano Lett. |
| Volume |
10 |
Issue |
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Pages |
661-664 |
| Keywords |
optical antennas; SSPD; Single surface plasmons; superconducting detectors; semiconductor quantum dots; nanophotonics |
| Abstract |
Surface plasmon polaritons (plasmons) have the potential to interface electronic and optical devices. They could prove extremely useful for integrated quantum information processing. Here we demonstrate on-chip electrical detection of single plasmons propagating along gold waveguides. The plasmons are excited using the single-photon emission of an optically emitting quantum dot. After propagating for several micrometers, the plasmons are coupled to a superconducting detector in the near-field. Correlation measurements prove that single plasmons are being detected. |
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no |
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RPLAB @ akorneev @ |
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620 |
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