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Author |
Semenov, A. D.; Hübers, H.-W.; Gol’tsman, G. N.; Smirnov, K. |
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Title |
Superconducting quantum detector for astronomy and X-ray spectroscopy |
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Conference Article |
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Year |
2002 |
Publication |
Proc. Int. Workshop on Supercond. Nano-Electronics Devices |
Abbreviated Journal |
Proc. Int. Workshop on Supercond. Nano-Electronics Devices |
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201-210 |
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Keywords |
NbN SSPD, SNSPD, SQD, superconducting quantum detectors, X-ray spectroscopy |
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Abstract |
We propose the novel concept of ultra-sensitive energy-dispersive superconducting quantum detectors prospective for applications in astronomy and X-ray spectroscopy. Depending on the superconducting material and operation conditions, such detector may allow realizing background limited noise equivalent power 10−21 W Hz−1/2 in the terahertz range when exposed to 4-K background radiation or counting of 6-keV photon with almost 10—4 energy resolution. Planar layout and relatively simple technology favor integration of elementary detectors into a detector array. |
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Naples, Italy |
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Springer |
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Boston, MA |
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Pekola, J.; Ruggiero, B.; Silvestrini, P. |
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978-1-4615-0737-6 |
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International Workshop on Superconducting Nano-Electronics Devices, May 28-June 1, 2001 |
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Call Number |
semenov2002superconducting |
Serial |
1525 |
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Author |
Hübers, H.-W.; Semenov, A.; Richter, H.; Birk, M.; Krocka, M.; Mair, U.; Smirnov, K.; Gol’tsman, G.; Voronov, B. |
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Title |
Terahertz Heterodyn Receiver with a hot-electron bolometer mixer |
Type |
Conference Article |
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Year |
2002 |
Publication |
Far-IR, Sub-mm & MM Detector Technology Workshop |
Abbreviated Journal |
Far-IR, Sub-mm & MM Detector Technology Workshop |
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3-24 |
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Keywords |
NbN HEB mixers |
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Abstract |
During the past decade major advances have been made regarding low noise mixers for terahertz (THz) heterodyne receivers. State of the art hot-electron-bolometer (HEB) mixers have noise temperatures close to the quantum limit and require less than a µW power from the local oscillator (LO). The technology is now at a point where the performance of a practical receiver employing such mixer, rather than the figures of merit of the mixer itself, are of major concern. We have incorporated a phonon-cooled NbN HEB mixer in a 2.5 THz heterodyne receiver and investigated the performance of the receiver. This yields important information for the development of heterodyne receivers such as GREAT (German receiver for astronomy at THz frequencies aboard SOFIA) [1] and TELIS (Terahertz limb sounder), a balloon borne heterodyne receiver for atmospheric research [2]. Both are currently under development at DLR. |
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NASA |
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Wolf, U.; Farhoomand, J.; McCreight, C.R. |
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NASA CP |
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Volume: 211408 |
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1537 |
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Author |
Semenov, A.; Hübers, H.-W.; Engel, A.; Gol’tsman, G. |
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Title |
Superconducting quantum detector for far infrared astronomy |
Type |
Conference Article |
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Year |
2002 |
Publication |
Far-IR, Sub-mm & MM Detector Technology Workshop |
Abbreviated Journal |
Far-IR, Sub-mm & MM Detector Technology Workshop |
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3-49 |
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Keywords |
SQD |
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Abstract |
We present the concept of the superconducting quantum detector for astronomy. Response to a single absorbed photon appears due to successive formation of a normal spot and phase-slip-centres in a narrow strip carrying sub-critical supercurrent. The detector simultaneously has a moderate energy resolution and a variable cut-off wavelength depending on both the material used and operation conditions. We simulated performance of the background-limited direct detector having the 100-micrometer cut-off wavelength. Low dark count rate will allow to realise 10-21 W Hz-1/2 noise equivalent power at 4 K background radiation. The detection mechanism provides a moderate 1/20 energy resolution at 50-micrometer wavelength. |
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NASA |
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Wolf, J.; Farhoomand, J.; McCreight, C.R. |
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NASA CP |
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Volume: 211408 |
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1538 |
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Author |
Verevkin, A.; Xu, Y.; Zheng, X.; Williams, C.; Sobolewski, Roman; Okunev, O.; Smirnov, K.; Chulkova, G.; Korneev, A.; Lipatov, A.; Gol’tsman, G. N. |
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Title |
Superconducting NbN-based ultrafast hot-electron single-photon detector for infrared range |
Type |
Conference Article |
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Year |
2001 |
Publication |
Proc. 12th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 12th Int. Symp. Space Terahertz Technol. |
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Pages |
462-468 |
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Keywords |
NbN SSPD, SNSPD |
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1539 |
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Xu, Y.; Zheng, X.; Williams, C.; Verevkin, A.; Sobolewski, R.; Chulkova, G.; Lipatov, A.; Okunev, O.; Smirnov, K.; Gol’tsman, G. N. |
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Title |
Ultrafast superconducting hot-electron single-photon detector |
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Conference Article |
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Year |
2001 |
Publication |
CLEO |
Abbreviated Journal |
CLEO |
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Pages |
345 |
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Keywords |
NbN SSPD, SNSPD |
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Abstract |
Summary form only given. The current most-pressing need is to develop a practical, GHz-range counting single-photon detector, operational at either 1.3-/spl mu/m or 1.55-/spl mu/m radiation wavelength, for novel quantum communication and quantum cryptography systems. The presented solution of the problem is to use an ultrafast hot-electron photodetector, based on superconducting thin-film microstructures. This type of device is very promising, due to the macroscopic quantum nature of superconductors. Very fast response time and the small, (meV range) value of the superconducting energy gap characterize the superconductor, leading to the efficient avalanche process even for infrared photons. |
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Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical Digest (IEEE Cat. No.01CH37170) |
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1545 |
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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. |
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Title |
Hot-electron bolometer mixers – technology for far-infrared heterodyne instruments in future atmospheric chemistry missions |
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Conference Article |
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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 |
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57-69 |
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Keywords |
HEB mixers |
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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 |
Cherednichenko, S.; Rönnung, F.; Gol’tsman, G.; Kollberg, E.; Winkler, D. |
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Title |
YBa2Cu3O7-δ hot-electron bolometer mixer at 0.6 THz |
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Conference Article |
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Year |
2000 |
Publication |
Proc. 11th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 11th Int. Symp. Space Terahertz Technol. |
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Pages |
517-522 |
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Keywords |
YBCO HTS HEB mixers |
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We present an investigation of hot-electron bolometric mixer based on a YBa 2 Cu 3 O 7-δ (YBCO) superconducting thin film. Mixer conversion loss of –46 dB, absorbed local oscillator power and intermediate frequency bandwidth were measured at the local oscillator frequency 0.6 THz. The fabrication technique for nanoscale YBCO hot-electron bolometer (HEB) mixer integrated with a planar antenna structure is described. |
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1556 |
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Cherednichenko, S.; Kroug, M.; Yagoubov, P.; Merkel, H.; Kollberg, E.; Yngvesson, K. S.; Voronov, B.; Gol’tsman, G. |
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Title |
IF bandwidth of phonon cooled HEB mixers made from NbN films on MgO substrates |
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Conference Article |
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Year |
2000 |
Publication |
Proc. 11th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 11th Int. Symp. Space Terahertz Technol. |
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219-227 |
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Keywords |
NbN HEB mixers, cinversion gain bandwidth, IF bandwidth |
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An investigation of gain and noise bandwidth of phonon-cooled hot-electron bolometric (HEB) mixers is presented. The radiation coupling to the mixers is quasioptical through either a spiral or twin-slot antenna. A maximum gain bandwidth of 4.8 GHz is obtained for mixers based on a 3.5 nm thin NbN film with Tc= 10 K. The noise bandwidth is 5.6 GHz, at the moment limited by parasitic elements in the, device mount fixture. At 0.65 THz the DSB receiver noise temperature is 700-800 К in the IF band 1-2 GHz, and 1150-2700 К in the band 3.5-7 GHz. |
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1557 |
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Blundell, R.; Kawamura, J. H.; Tong, C. E.; Papa, D. C.; Hunter, T. R.; Gol’tsman, G. N.; Cherednichenko, S. I.; Voronov, B. M.; Gershenzon, E. M. |
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Title |
A hot-electron bolometer mixer receiver for the 680-830 GHz frequency range |
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Conference Article |
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Year |
1998 |
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Proc. 6-th Int. Conf. Terahertz Electron. |
Abbreviated Journal |
Proc. 6-th Int. Conf. Terahertz Electron. |
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18-20 |
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NbN HEB mixers |
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We describe a heterodyne receiver designed to operate in the partially transparent atmospheric windows centered on 680 and 830 GHz. The receiver incorporates a niobium nitride thin film, cooled to 4.2 K, as the phonon-cooled hot-electron mixer element. The double sideband receiver noise, measured over the frequency range 680-830 GHz, is typically 700-1300 K. The instantaneous output bandwidth of the receiver is 600 MHz. This receiver has recently been used at the SubMillimeter Telescope, jointly operated by the Steward Observatory and the Max Planck Institute for Radioastronomy, for observations of the neutral carbon and CO spectral lines at 810 GHz and at 806 and 691 GHz respectively. Laboratory measurements on a second mixer in the same test receiver have yielded extended high frequency performance to 1 THz. |
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Leeds, UK |
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IEEE |
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0-7803-4903-2 |
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IEEE Sixth International Conference on Terahertz Electronics Proceedings. THZ 98. (Cat. No.98EX171) |
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1581 |
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Yagoubov, P.; Kroug, M.; Merkel, H.; Kollberg, E.; Schubert, J.; Hubers, H.-W.; Schwaab, G.; Gol’tsman, G.; Gershenzon, E. |
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Title |
Performance of NbN phonon-cooled hot-electron bolometric mixer at Terahertz frequencies |
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Conference Article |
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1998 |
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Proc. 6-th Int. Conf. Terahertz Electron. |
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Proc. 6-th Int. Conf. Terahertz Electron. |
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149-152 |
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NbN HEB mixers |
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The performance of a NbN based phonon-cooled Hot Electron Bolometric (HEB) quasioptical mixer is investigated in the 0.65-3.12 THz frequency range. The device is made from a 3 nm thick NbN film on high resistivity Si and integrated with a planar spiral antenna on the same substrate. The in-plane dimensions of the bolometer strip are 0.2/spl times/2 /spl mu/m. The results of the DSB noire temperature are: 1300 K at 650 GHz, 4700 K at 2.5 TBz and 10000 K at 3.12 THz. The RF bandwidth of the receiver is at least 2.5 THz. The amount of LO power absorbed in the bolometer is about 100 nW. The mixer is linear to within 1 dB compression up to the signal level 10 dB below that of the LO. The intrinsic single sideband conversion gain is measured to be -9 dB, the total conversion gain -14 dB. |
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IEEE Sixth International Conference on Terahertz Electronics Proceedings. THZ 98. (Cat. No.98EX171) |
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1582 |
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