Records |
Author |
Antipov, S. V.; Svechnikov, S. I.; Smirnov, K. V.; Vakhtomin, Y. B.; Finkel, M. I.; Goltsman, G. N.; Gershenzon, E. M. |
Title |
Noise temperature of quasioptical NbN hot electron bolometer mixers at 900 GHz |
Type |
Journal Article |
Year |
2001 |
Publication |
Physics of Vibrations |
Abbreviated Journal |
Physics of Vibrations |
Volume |
9 |
Issue |
4 |
Pages |
242-245 |
Keywords |
NbN HEB mixers |
Abstract |
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Edition |
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ISSN |
1069-1227 |
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Serial |
1550 |
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Author |
Somani, S.; Kasapi, S.; Wilsher, K.; Lo, W.; Sobolewski, R.; Gol’tsman, G. |
Title |
New photon detector for device analysis: Superconducting single-photon detector based on a hot electron effect |
Type |
Journal Article |
Year |
2001 |
Publication |
J. Vac. Sci. Technol. B |
Abbreviated Journal |
J. Vac. Sci. Technol. B |
Volume |
19 |
Issue |
6 |
Pages |
2766-2769 |
Keywords |
NbN SSPD, SNSPD |
Abstract |
A novel superconducting single-photon detector (SSPD), intrinsically capable of high quantum efficiency (up to 20%) over a wide spectral range (ultraviolet to infrared), with low dark counts (<1 cps), and fast (<40 ps) timing resolution, is described. This SSPD has been used to perform timing measurements on complementary metal–oxide–semiconductor integrated circuits (ICs) by detecting the infrared light emission from switching transistors. Measurements performed from the backside of a 0.13 μm geometry flip–chip IC are presented. Other potential applications for this detector are in telecommunications, quantum cryptography, biofluorescence, and chemical kinetics. |
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ISSN |
0734211X |
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no |
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Serial |
1542 |
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Author |
Kroug, M.; Cherednichenko, S.; Merkel, H.; Kollberg, E.; Voronov, B.; Gol'tsman, G.; Hübers, H. W.; Richter, H. |
Title |
NbN hot electron bolometric mixers for terahertz receivers |
Type |
Journal Article |
Year |
2001 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
Volume |
11 |
Issue |
1 |
Pages |
962-965 |
Keywords |
NbN HEB mixers |
Abstract |
Sensitivity and gain bandwidth measurements of phonon-cooled NbN superconducting hot-electron bolometer mixers are presented. The best receiver noise temperatures are: 700 K at 1.6 THz and 1100 K at 2.5 THz. Parylene as an antireflection coating on silicon has been investigated and used in the optics of the receiver. The dependence of the mixer gain bandwidth (GBW) on the bias voltage has been measured. Starting from low bias voltages, close to operating conditions yielding the lowest noise temperature, the GBW increases towards higher bias voltages, up to three times the initial value. The highest measured GBW is 9 GHz within the same bias range the noise temperature increases by a factor of two. |
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no |
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312 |
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Author |
Gershenson, M. E.; Gong, D.; Sato, T.; Karasik, B. S.; Sergeev, A. V. |
Title |
Millisecond electron-phonon relaxation in ultrathin disordered metal films at millikelvin temperatures |
Type |
Journal Article |
Year |
2001 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
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Volume |
79 |
Issue |
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Pages |
2049-2051 |
Keywords |
HEB detector, FIR, far infrared |
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no |
Call Number |
RPLAB @ s @ heb_eph_interaction_Gershenzon |
Serial |
315 |
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Author |
Eliasson, Blake J. |
Title |
Metal-insulator-metal diodes for solar energy conversion |
Type |
Book Whole |
Year |
2001 |
Publication |
University of Colorado |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
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Keywords |
MIM diodes |
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Thesis |
Ph.D. thesis |
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Notes |
PhD thesis |
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no |
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Serial |
474 |
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Author |
Kasparek, W; Fernandez, A.; Hollmann, F; Wacker, R. |
Title |
Measurements of ohmic losses of metallic reflectors at 140 GHz using a 3-mirror resonator technique |
Type |
Journal Article |
Year |
2001 |
Publication |
Int. J. Infrared and Millimeter Waves |
Abbreviated Journal |
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Volume |
22 |
Issue |
11 |
Pages |
1695-1707 |
Keywords |
mirror, reflection index, emissivity, Fabry-Perot interferometer, subterahertz, subTHz |
Abstract |
The reflectivity of metallic mirrors in the millimeter wave region does not only depend on the material, but also on the structure and roughness of the surface. We have performed measurements of the reflectivity of various plane and grooved metallic and graphite samples at 140 GHz. The technique is based on the comparison of the quality factor of a 2-mirror reference resonator with the quality factor of a 3-mirror resonator which has identical dimensions and includes the mirror to be tested. After a brief presentation of the theory, the set-up is described and the reflection loss for various aluminium and copper mirrors as well as vacuum compatible materials for applications in thermonuclear fusion experiments are presented and discussed. |
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no |
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Serial |
581 |
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Author |
Mel’nikov, A. P.; Gurvich, Y. A.; Shestakov, L. N.; Gershenzon, E. M. |
Title |
Magnetic field effects on the nonohmic impurity conduction of uncompensated crystalline silicon |
Type |
Journal Article |
Year |
2001 |
Publication |
Jetp Lett. |
Abbreviated Journal |
Jetp Lett. |
Volume |
73 |
Issue |
1 |
Pages |
44-47 |
Keywords |
uncompensated crystalline silicon, nonohmic impurity conduction, magnetic field |
Abstract |
The impurity conduction of a series of crystalline silicon samples with the concentration of major impurity N ≈ 3 × 1016 cm−3 and with a varied, but very small, compensation K was measured as a function of the electric field E in various magnetic fields H-σ(H, E). It was found that, at K < 10−3 and in moderate E, where these samples are characterized by a negative nonohmicity (dσ(0, E)/dE < 0), the ratio σ(H, E)/σ(0, E) > 1 (negative magnetoresistance). With increasing E, these inequalities are simultaneously reversed (positive nonohmicity and positive magnetoresistance). It is suggested that both negative and positive nonohmicities are due to electron transitions in electric fields from impurity ground states to states in the Mott-Hubbard gap. |
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ISSN |
0021-3640 |
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no |
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Serial |
1752 |
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Author |
Jackson, B. D.; Baryshev, A. M.; de Lange, G.; Gao, J. R.; Shitov, S. V.; Iosad, N. N.; Klapwijk, T. M. |
Title |
Low-noise 1 THz superconductor-insulator-superconductor mixer incorporating a NbTiN/SiO2/Al tuning circuit |
Type |
Journal Article |
Year |
2001 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal |
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Volume |
79 |
Issue |
3 |
Pages |
436 |
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no |
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RPLAB @ s @ sis_Jackson_2001 |
Serial |
314 |
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Author |
Karpov, A.; Miller, D.; Rice, F.; Zmuidzinas, J.; Stern, J. A.; Bumble, B.; LeDuc, H. G. |
Title |
Low noise 1.2 THz SIS receiver |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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Issue |
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Pages |
21-22 |
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San Diego, CA, USA |
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Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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no |
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RPLAB @ s @ sis_650K_at_1p13THz |
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316 |
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Author |
Cherednichenko, S.; Kroug, M.; Merkel, H.; Kollberg, E.; Loudkov, D.; Smirnov, K.; Voronov, B.; Gol'tsman, G.; Gershenzon, E. |
Title |
Local oscillator power requirement and saturation effects in NbN HEB mixers |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Volume |
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Issue |
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Pages |
273-285 |
Keywords |
NbN HEB mixers, LO power, local oscillator power, saturation effect, dynamic range |
Abstract |
The local oscillator power required for NbN hot-electron bolometric mixers (P LO ) was investigated with respect to mixer size, critical temperature and ambient temperature. P LO can be decreased by a factor of 10 as the mixer size decreases from 4×0.4 µm 2 to 0.6×0.13 µm 2 . For the smallest volume mixer the optimal local oscillator power was found to be 15 nW. We found that for such mixer no signal compression was observed up to an input signal of 2 nW which corresponds to an equivalent input load of 20,000 K. For a constant mixer volume, reduction of T c can decrease optimal local oscillator power at least by a factor of 2 without a deterioration of the receiver noise temperature. Bath temperature was found to have minor effect on the receiver characteristics. |
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San Diego, CA, USA |
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Jet Propulsion Laboratory, California Inst.it.u.t.e of Technology |
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no |
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318 |
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Author |
Chen, P. S. |
Title |
Infrared properties of barium stars |
Type |
Journal Article |
Year |
2001 |
Publication |
Astron. Astrophys. |
Abbreviated Journal |
A&A |
Volume |
372 |
Issue |
1 |
Pages |
245-248 |
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0004-6361 |
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no |
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RPLAB @ s @ |
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415 |
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Author |
Codreanu, Iulian; Boreman, Glenn D. |
Title |
Infrared microstrip dipole antennas |
Type |
Journal Article |
Year |
2001 |
Publication |
Microwave and Optical Technology Letters |
Abbreviated Journal |
Microw Opt Technol Lett |
Volume |
29 |
Issue |
6 |
Pages |
381-383 |
Keywords |
optical antennas |
Abstract |
Abstract 10.1002/mop.1184.abs We report on the successful use of niobium microbolometers coupled to microstrip dipole antennas for the detection of midinfrared radiation. Measurements of the detector response versus antenna length performed at the 10.6 μm wavelength allowed us to identify the first three current-wave resonances along the antenna arms. The detector response was also measured as a function of the radiation wavelength in the 911 μm spectral domain. Excellent agreement between the experimental results and finite-difference time-domain (FDTD) predictions was obtained. |
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no |
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RPLAB @ gujma @ |
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738 |
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Author |
Danny Wilms Floet |
Title |
Hotspot mixing in THz niobium superconducting hot electron bolometer mixers |
Type |
Manuscript |
Year |
2001 |
Publication |
Delft University of Technology |
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Thesis |
Ph.D. thesis |
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Place of Publication |
Netherlands |
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no |
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932 |
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Author |
Yagoubov, P.; Hübers, H.-W.; Gol’tsman, G.; Semenov, A.; Gao, J.; Hoogeveen, R.; de Graauw, T.; Birk, M.; Selig, A.; de Korte, P. |
Title |
Hot-electron bolometer mixers – technology for far-infrared heterodyne instruments in future atmospheric chemistry missions |
Type |
Conference Article |
Year |
2001 |
Publication |
Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space |
Abbreviated Journal |
Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space |
Volume |
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Issue |
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Pages |
57-69 |
Keywords |
HEB mixers |
Abstract |
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Address |
Delmenhorst |
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Logos-Verlag |
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Buehler, S.; Berlin |
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3-89722-700-2 |
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International Symposium on Submillimeter Wave Earth Observation from Space, ISSMWEOS01 |
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1549 |
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Author |
Kroug, M. |
Title |
Hot electron bolometric mixers for a quasi-optical terahertz receiver |
Type |
Book Whole |
Year |
2001 |
Publication |
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Ph.D. thesis |
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Chalmers University of Technology, Gothenburg, Sweden |
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310 |
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