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Danerud, M.; Winkler, D.; Zorin, M.; Trifonov, V.; Karasik, B.; Gershenzon, E. M.; Gol'tsman, G. N.; Lindgren, M. |
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Picosecond detection of infrared radiation with YBa2Cu3O7-δ thin films |
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1993 |
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Proc. SPIE |
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Proc. SPIE |
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2104 |
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183-184 |
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YBCO HTS HEB detectors |
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Picosecond nonequilibrium and slow bolometric responses from a patterned high-Tc superconducting (HTS) film due toinfrared radiation were investigated using both modulation and pulse techniques. Measurements at A, = 0.85 [tm andA, = 10.6 lim have shown a similar behaviour of the response vs modulation frequency f. The responsivity of the HTS filmbased detector at f ..- 0.6-1 GHz is estimated to be 10-2 – 10-1 V/W. |
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Spie |
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Birch, J.R.; Parker, T.J. |
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18th International Conference on Infrared and Millimeter Waves |
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https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=25034664 |
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10.1117/12.2298489 |
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1653 |
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Karasik, B.S.; Lindgren, M.; Zorin, M.A.; Danerud, M.; Winkler, D.; Trifonov, V.V.; Gol’tsman, G.N.; Gershenzon, E.M. |
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Title |
Picosecond detection and broadband mixing of near-infrared radiation by YBaCuO films |
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Conference Article |
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Year |
1994 |
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Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
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Volume |
2159 |
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68-76 |
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YBCO HTS HEB mixer |
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Nonequilibrium picosecond and bolometric responses of YBCO films 500 angstroms thick patterned into 20 X 20 micrometers 2 size structure to 17 ps laser pulses and modulated radiation of GaAs and CO2 lasers have been studied. The modulation frequencies up to 10 GHz for GaAs laser and up to 1 GHz for CO2 were attained. The use of small radiation power (1 – 10 mW/cm2 for cw radiation and 10 – 100 nJ/cm2 for pulse radiation) in combination with high sensitive read-out system made possible to avoid any non-linear transient processes caused by an overheating of sample above a critical temperature or S-N switching enhanced by an intense radiation. Responses due to the change of kinetic inductance were believed to be negligible. The only signals observed were caused by a small change of the film resistance either in the resistive state created by a bias current or in the normal state. The data obtained by means of pulse and modulation techniques are in agreement. The responsivity about 1 V/W was measured at 1 GHz modulation frequency both for 0.85 micrometers and 10.6 micrometers wavelengths. The sensitivity of high-Tc fast wideband infrared detector is discussed. |
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Spie |
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Nahum, M.; Villegier, J.-C. |
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High-Temperature Superconducting Detectors: Bolometric and Nonbolometric |
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1640 |
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Korneev, A.; Semenov, A.; Vodolazov, D.; Gol’tsman, G. N.; Sobolewski, R. |
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Title |
Physics and operation of superconducting single-photon devices |
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Book Chapter |
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2017 |
Publication |
Superconductors at the Nanoscale |
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279-308 |
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De Gruyter |
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Wördenweber, R.; Moshchalkov, V.; Bending, S.; Tafuri, F. |
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1326 |
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Fedorov, G.; Kardakova, A.; Gayduchenko, I.; Voronov, B. M.; Finkel, M.; Klapwijk, T. M.; Goltsman, G. |
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Title |
Photothermoelectric response in asymmetric carbon nanotube devices exposed to sub-THz radiation |
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Abstract |
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2014 |
Publication |
Proc. 25th Int. Symp. Space Terahertz Technol. |
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Proc. 25th Int. Symp. Space Terahertz Technol. |
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71 |
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carbon nanotubes, CNT |
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This work reports on the voltage response of asymmetric carbon nanotube devices to sub-THz radiation at the frequency of 140 GHz. The devices contain CNT’s, which are over their length partially suspended and partially Van der Waals bonded to a SiO 2 substrate, causing a difference in thermal contact. Different heat sinking of CNTs by source and drain gives rise to temperature gradient and consequent thermoelectric power (TEP) as such a device is exposed to the sub-THz radiation. Sign of the DC signal, its power and gate voltage dependence observed at room temperature are consistent with this scenario. At liquid helium temperature the observed response is more complex. DC voltage signal of an opposite sign is observed in a narrow range of gate voltages at low temperatures and under low radiation power. We argue that this may indicate a true photovoltaic response from small gap (less than 10meV) CNT’s, an effect never reported before. While it is not clear if the observed effects can be used to develop efficient THz detectors we note that the responsivity of our devices exceeds that of CNT based devices in microwave or THz range reported before at room temperature. Besides at 4.2 K notable increase of the sample conductance (at least four-fold) is observed. Our recent results with asymmetric carbon nanotube devices response to THz radiation (2.5 THz) will also be presented. |
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1361 |
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Chandrasekar, R.; Lapin, Z. J.; Nichols, A. S.; Braun, R. M.; Fountain, A. W. |
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Title |
Photonic integrated circuits for Department of Defense-relevant chemical and biological sensing applications: state-of-the-art and future outlooks |
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Conference Article |
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2019 |
Publication |
Opt. Eng. |
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Opt. Eng. |
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58 |
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02 |
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1 |
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photonic integrated circuits, PIC, optical waveguides, defense applications |
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Photonic integrated circuits (PICs), the optical counterpart of traditional electronic integrated circuits, are paving the way toward truly portable and highly accurate biochemical sensors for Department of Defense (DoD)-relevant applications. We introduce the fundamentals of PIC-based biochemical sensing and describe common PIC sensor architectures developed to-date for single-identification and spectroscopic sensor classes. We discuss DoD investments in PIC research and summarize current challenges. We also provide future research directions likely required to realize widespread application of PIC-based biochemical sensors. These research directions include materials research to optimize sensor components for multiplexed sensing; engineering improvements to enhance the practicality of PIC-based devices for field use; and the use of synthetic biology techniques to design new selective receptors for chemical and biological agents. |
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0091-3286 |
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1346 |
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