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| Author | Gaggero, A.; Nejad, S. Jahanmiri; Marsili, F.; Mattioli, F.; Leoni, R.; Bitauld, D.; Sahin, D.; Hamhuis, G. J.; Nötzel, R.; Sanjines, R.; Fiore, A. | ||||
| Title | Nanowire superconducting single-photon detectors on GaAs for integrated quantum photonic applications | Type | Journal Article | ||
| Year | 2010 | Publication | Applied Physics Letters | Abbreviated Journal | Appl. Phys. Lett. |
| Volume | 97 | Issue | 15 | Pages  |
3 |
| Keywords | SSPD | ||||
| Abstract | We demonstrate efficient nanowire superconducting single photon detectors (SSPDs) based on NbN thin films grown on GaAs. NbN films ranging from 3 to 5 nm in thickness have been deposited by dc magnetron sputtering on GaAs substrates at 350 °C. These films show superconducting properties comparable to similar films grown on sapphire and MgO. In order to demonstrate the potential for monolithic integration, SSPDs were fabricated and measured on GaAs/AlAs Bragg mirrors, showing a clear cavity enhancement, with a peak quantum efficiency of 18.3% at λ = 1300 nm and T = 4.2 K. | ||||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ gujma @ | Serial | 681 | ||
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| Author | Mannino, Giovanni; Spinella, Corrado; Ruggeri, Rosa; La Magna, Antonino; Fisicaro, Giuseppe; Fazio, Enza; Neri, Fortunato; Privitera, Vittorio | ||||
| Title | Crystallization of implanted amorphous silicon during millisecond annealing by infrared laser irradiation | Type | Journal Article | ||
| Year | 2010 | Publication | Applied Physics Letters | Abbreviated Journal | Appl. Phys. Lett. |
| Volume | 97 | Issue | 2 | Pages |
3 |
| Keywords | Annealing | ||||
| Abstract | We investigated the homogenous nucleation of crystalline grains in amorphous Si during transient temperature pulse of few milliseconds IR laser irradiation. The crystallized volume fraction is ~80%. Significant crystallization occurs in nonsteady regime because of the rapid temperature variation (106 °C/s). Our model combines the time evolution of the crystal grain population with the consumption of the amorphous volume due to the growth of grains. Thanks to the experimental approach based on a laser source to heat α-Si and the theoretical model we extended the description of the spontaneous crystallization up to 1323 K or 250 K above the temperature investigated by conventional annealing. | ||||
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| Notes | Annealing | Approved | no | ||
| Call Number | RPLAB @ gujma @ | Serial | 691 | ||
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| Author | Bujarrabal, V.; Alcolea, J.; Soria-Ruiz, R.; Planesas, P.; Teyssier, D.; Marston, A. P.; Cernicharo, J.; Decin, L.; Dominik, C.; Justtanont, K.; de Koter, A.; Melnick, G.; Menten, K. M.; Neufeld, D. A.; Olofsson, H.; Schmidt, M.; Schöier, F. L.; Szczerba, R.; Waters, L. B. F. M.; Quintana-Lacaci, G.; Güsten, R.; Gallego, J. D.; Díez-González, M. C.; Barcia, A.; López-Fernández, I.; Wildeman, K.; Tielens, A. G. G. M.; Jacobs, K. | ||||
| Title | Herschel/HIFI observations of high-J CO transitions in the protoplanetary nebula CRL 618 | Type | Journal Article | ||
| Year | 2010 | Publication | Astron. Astrophys. | Abbreviated Journal | |
| Volume | 521 | Issue | Pages |
L3 (1 to 5) | |
| Keywords | HEB mixer applications, HIFI, Herschel | ||||
| Abstract | Aims. We aim to study the physical conditions, particularly the excitation state, of the intermediate-temperature gas components in the protoplanetary nebula CRL 618. These components are particularly important for understanding the evolution of the nebula. Methods. We performed Herschel/HIFI observations of several CO lines in the far-infrared/sub-mm in the protoplanetary nebula CRL 618. The high spectral resolution provided by HIFI allows measurement of the line profiles. Since the dynamics and structure of the nebula is well known from mm-wave interferometric maps, it is possible to identify the contributions of the different nebular components (fast bipolar outflows, double shells, compact slow shell) to the line profiles. The observation of these relatively high-energy transitions allows an accurate study of the excitation conditions in these components, particularly in the warm ones, which cannot be properly studied from the low-energy lines. Results. The 12CO J = 16–15, 10–9, and 6–5 lines are easily detected in this source. Both 13CO J = 10–9 and 6–5 are also detected. Wide profiles showing spectacular line wings have been found, particularly in 12CO J = 16–15. Other lines observed simultaneously with CO are also shown. Our analysis of the CO high-J transitions, when compared with the existing models, confirms the very low expansion velocity of the central, dense component, which probably indicates that the shells ejected during the last AGB phases were driven by radiation pressure under a regime of maximum transfer of momentum. No contribution of the diffuse halo found from mm-wave data is identified in our spectra, because of its low temperature. We find that the fast bipolar outflow is quite hot, much hotter than previously estimated; for instance, gas flowing at 100 km s-1 must have a temperature higher than ~200 K. Probably, this very fast outflow, with a kinematic age <100 yr, has been accelerated by a shock and has not yet cooled down. The double empty shell found from mm-wave mapping must also be relatively hot, in agreement with the previous estimate. |
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| Notes | Approved | no | |||
| Call Number | Serial | 1084 | |||
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| Author | Loenen, A. F.; van der Werf, P. P.; Güsten, R.; Meijerink, R.; Israel, F. P.; Requena-Torres, M. A.; García-Burillo, S.; Harris, A. I.; Klein, T.; Kramer, C.; Lord, S.; Martín-Pintado, J.; Röllig, M.; Stutzki, J.; Szczerba, R.; Weiß, A.; Philipp-May, S.; Yorke, H.; Caux, E.; Delforge, B.; Helmich, F.; Lorenzani, A.; Morris, P.; Philips, T. G.; Risacher, C.; Tielens, A. G. G. M. | ||||
| Title | Excitation of the molecular gas in the nuclear region of M 82 | Type | Journal Article | ||
| Year | 2010 | Publication | Astron. Astrophys. | Abbreviated Journal | |
| Volume | 521 | Issue | Pages |
L2 | |
| Keywords | HEB mixer applications, HIFI, Herschel, galaxies: individual: M 82 / submillimeter: ISM / ISM: molecules / galaxies: ISM / galaxies: starburst | ||||
| Abstract | We present high-resolution HIFI spectroscopy of the nucleus of the archetypical starburst galaxy M 82. Six 12CO lines, 2 13CO lines and 4 fine-structure lines have been detected. Besides showing the effects of the overall velocity structure of the nuclear region, the line profiles also indicate the presence of multiple components with different optical depths, temperatures, and densities in the observing beam. The data have been interpreted using a grid of PDR models. It is found that the majority of the molecular gas is in low density (n = 103.5 cm-3) clouds, with column densities of NH = 1021.5 cm-2 and a relatively low UV radiation field (G0 = 102). The remaining gas is predominantly found in clouds with higher densities (n = 105 cm-3) and radiation fields (G0 = 102.75), but somewhat lower column densities (NH = 1021.2 cm-2). The highest J CO lines are dominated by a small (1% relative surface filling) component, with an even higher density (n = 106 cm-3) and UV field (G0 = 103.25). These results show the strength of multi-component modelling for interpretating the integrated properties of galaxies. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 1097 | |||
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| Author | Karasik, Boris S.; Cantor, Robin | ||||
| Title | Optical NEP in hot-electron nanobolometers | Type | Journal Article | ||
| Year | 2010 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages |
1-7 | ||
| Keywords | HEB, Ti, NEP, femtowatt, SAFARI, SPICA, 650 GHz, 0.65 THz, 460 um, twin slot antenna, SQUID readout | ||||
| Abstract | For the first time, we have measured the optical noise equivalent power (NEP) in titanium (Ti) superconducting hot-electron nanobolometers (nano-HEBs). The bolometers were 2{\mu}mx1{\mu}mx20nm and 1{\mu}mx1{\mu}mx20nm planar antenna-coupled devices. The measurements were done at {\lambda} = 460 {\mu}m using a cryogenic black body radiation source delivering optical power from a fraction of a femtowatt to a few 100s of femtowatts. A record low NEP = 3x10^{-19} W/Hz^{1/2} at 50 mK has been achieved. This sensitivity meets the requirements for SAFARI instrument on the SPICA telescope. The ways for further improvement of the nano-HEB detector sensitivity are discussed. | ||||
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| Notes | To appear in Proc. 21st Int. Symp. on Spc. THz Technol., Oxford, UK, 23-25 March, 2010 | Approved | no | ||
| Call Number | Serial | 623 | |||
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| Author | Doerr, C.R.; Zhang, C.; Winzer, P.J. | ||||
| Title | Monolithic InP multi-wavelength coherent receiver | Type | Conference Article | ||
| Year | 2010 | Publication | Conference on optical fiber communication, collocated national fiber optic engineers conference | Abbreviated Journal | Conf. OFC/NFOEC |
| Volume | Issue | Pages |
1-3 | ||
| Keywords | InP balanced detector, waveguide grating, polarization splitter, from chiralphotonics | ||||
| Abstract | We propose and demonstrate a novel four-channel monolithic polarization-diversity dual-quadrature coherent receiver with balanced detection in InP. It uses an interleave-chirped arrayed waveguide grating that acts simultaneously as a demultiplexer, 90° hybrid, and polarization splitter. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 851 | |||
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| Author | Lee, B. G.; Doany, F. E.; Assefa, S.; Green, W.; Yang, M.; Schow, C. L.; Jahnes, C. V.; Zhang, S.; Singer, J.; Kopp, V. I.; Kash, J. A.; Vlasov, Y. A. | ||||
| Title | 20-μm-pitch eight-channel monolithic fiber array coupling 160 Gb/s/channel to silicon nanophotonic chip | Type | Conference Article | ||
| Year | 2010 | Publication | Conf. OFC/NFOEC | Abbreviated Journal | Conf. OFC/NFOEC |
| Volume | Issue | Pages |
1-3 | ||
| Keywords | spot size converters, SSC, optical waveguides, optical fiber waveguides, ultra-dense silicon waveguide arrays, silicon waveguides, waveguide arrays, from chiralphotonics | ||||
| Abstract | A multichannel tapered coupler interfacing standard 250-μm-pitch low-NA polarization-maintaining fiber arrays with ultra-dense 20-μm-pitch high-NA silicon waveguides is designed, fabricated, and tested, demonstrating coupling losses below 1 dB and injection bandwidths of 160 Gb/s/channel. | ||||
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| Area | Expedition | Conference | Conference on optical fiber communication, collocated national fiber optic engineers conference | ||
| Notes | Approved | no | |||
| Call Number | Serial | 852 | |||
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| Author | Goltsman, G. N.; Korneev, A. A.; Finkel, M. I.; Divochiy, A. V.; Florya, I. N.; Korneeva, Y. P.; Tarkhov, M. A.; Ryabchun, S. A.; Tretyakov, I. V.; Maslennikov, S. N.; Kaurova, N. S.; Chulkova, G. M.; Voronov, B. M. | ||||
| Title | Superconducting hot-electron bolometer as THz mixer, direct detector and IR single-photon counter | Type | Abstract | ||
| Year | 2010 | Publication | 35th Int. Conf. Infrared, Millimeter, and Terahertz Waves | Abbreviated Journal | |
| Volume | Issue | Pages |
1-1 | ||
| Keywords | SSPD, SNSPD, HEB | ||||
| Abstract | We present a new generation of superconducting single-photon detectors (SSPDs) and hot-electron superconducting sensors with record characteristic for many terahertz and optical applications. | ||||
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| ISSN | 2162-2027 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | RPLAB @ sasha @ goltsman2010superconducting | Serial | 1028 | ||
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| Author | O'Neal, Claire | ||||
| Title | A project guide to rocks and minerals | Type | Book Whole | ||
| Year | 2010 | Publication | Mitchell Lane Publishers | Abbreviated Journal | |
| Volume | Issue | Pages |
1-47 | ||
| Keywords | children | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 1147 | |||
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| Author | Жорес Алферов | ||||
| Title | Лекции на телеканале Культура. Полупроводниковая революция. Наука и общество. | Type | Miscellaneous | ||
| Year | 2010 | Publication | Телеканал Культура | Abbreviated Journal | |
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| Call Number | Serial | 622 | |||
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| Author | Buchanan, Mark | ||||
| Title | Body of evidence | Type | Manuscript | ||
| Year | 2010 | Publication | Nature Physics | Abbreviated Journal | Nat. Phys. |
| Volume | 6 | Issue | Pages |
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| Keywords | fromIPMRAS | ||||
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| Call Number | RPLAB @ gujma @ | Serial | 837 | ||
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| Author | Diana Prado Lopes Aude | ||||
| Title | Modeling superconductors using surface impedance technique | Type | Book Whole | ||
| Year | 2010 | Publication | MIT | Abbreviated Journal | MIT |
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| Keywords | homogeneous isotropic BCS superconductor complex conductivity superconductor surface impedance | ||||
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| Call Number | Serial | 938 | |||
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| Author | Смирнов, Константин Владимирович; Вахтомин, Юрий Борисович; Смирнов, Андрей Владимирович; Ожегов, Роман Викторович; Пентин, Иван Викторович; Дивочий, Александр Валерьевич; Сливинская, Елизавета Вячеславовна; Гольцман, Григорий Наумович | ||||
| Title | Приемники терагерцового и инфракрасного диапазонов, основанные на тонкопленочных сверхпроводниковых наноструктурах | Type | Journal Article | ||
| Year | 2010 | Publication | Вестник НГУ. Серия: Физика | Abbreviated Journal | Вестник НГУ. Серия: Физика |
| Volume | 5 | Issue | 4 | Pages |
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| Keywords | HEB, SSPD, SNSPD | ||||
| Abstract | В работе представлены результаты разработки и создания чувствительных и ультрабыстрых приемников, основанных на тонкопленочных сверхпроводниковых наноструктурах: болометрах на эффекте электронного разогрева (HEB – hot-electron bolometer) и детекторах одиночных фотонов видимого и инфракрасного диапазонов волн (SSPD – superconducting singe-photon detector). Представлены основные принципы работы сверхпроводниковых устройств, технология создания и конструкционные особенности приемников, их основные типы и характеристики. Достигнутые рекордные значения параметров приемных систем позволяют использовать созданные приборы при решении различных научно-исследовательских задач в ближнем, среднем и дальнем ИК диапазонах волн. This work presents the results of the development and fabrication of sensitive and ultrafast detectorsbased on thin film superconducting nanostructures: hot-electron bolometers (HEBs) and visible and infrared superconducting singe photon detectors (SSPDs). The main operational principles of the superconducting devices are presentedas well as the technology of fabrication of the detectors and their main types and parameters. The achieved record parameters of the detectors allow application of the fabricated devices to solution of various research problems in the near, middle and far IR ranges. |
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| Publisher | Новосибирский государственный университет | Place of Publication | Editor | ||
| Language | Russian | Summary Language | Original Title | ||
| Series Editor | Series Title | Физика | Abbreviated Series Title | ||
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| ISSN | 1818-7994 | ISBN | Medium | ||
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| Notes | УДК 538.9 | Approved | no | ||
| Call Number | RPLAB @ sasha @ смирнов2010приемники | Serial | 1033 | ||
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| Author | Marsili, Francesco; Bitauld, David; Fiore, Andrea; Gaggero, Alessandro; Mattioli, Francesco; Leoni, Roberto; Divochiy, Aleksander; Gol'tsman, Gregory | ||||
| Title | Photon-number-resolution at telecom wavelength with superconducting nanowires | Type | Miscellaneous | ||
| Year | 2010 | Publication | IntechOpen | Abbreviated Journal | |
| Volume | Issue | Pages |
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| Keywords | SSPD, SNSPD | ||||
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| Call Number | RPLAB @ sasha @ marsiliphoton | Serial | 1036 | ||
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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 | Abbreviated Journal | |
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| Keywords | SSPD, SNSPD, response | ||||
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| Corporate Author | Thesis | Ph.D. thesis | |||
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| Language | Russian | Summary Language | Original Title | ||
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| Notes | Approved | no | |||
| Call Number | Serial | 1150 | |||
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