| Records |
| Author |
Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Torgashin, M. Yu.; Khudchenko, A. V. |
| Title |
Integrated superconducting spectrometer for atmosphere monitoring |
Type |
Journal Article |
| Year |
2005 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
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| Volume |
48 |
Issue  |
10-11 |
Pages |
844-850 |
| Keywords |
SIR |
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| ISSN |
0033-8443 |
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no |
| Call Number |
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Serial |
519 |
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| Author |
Torgashin, M. Yu.; Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Yagoubov, P. A. |
| Title |
Superconducting integrated receivers based on Nb-AlN-NbN circuits |
Type |
Journal Article |
| Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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| Volume |
17 |
Issue |
2 |
Pages |
379-382 |
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no |
| Call Number |
RPLAB @ s @ mix_SIR_ieee_trans_2007 |
Serial |
406 |
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| Author |
Koshelets, V.P.; Dmitriev, P.N.; Ermakov, A.B.; Sobolev, A.S.; Torgashin, M.Y.; Kurin, V.V.; Pankratov, A.L.; Mygind, J. |
| Title |
Optimization of the phase-locked flux-flow oscillator for the submm integrated receiver |
Type |
Journal Article |
| Year |
2005 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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| Volume |
15 |
Issue |
2 |
Pages |
964-967 |
| Keywords |
SIR |
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| ISSN |
1051-8223 |
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no |
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Serial |
515 |
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| Author |
Koshelets, V. P.; Shitov, S. V.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Khudchenko, A. V.; Torgashin, M. Yu.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Pylypenko, O. M. |
| Title |
Superconducting integrated receiver for TELIS |
Type |
Journal Article |
| Year |
2005 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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| Volume |
15 |
Issue |
2 |
Pages |
960-963 |
| Keywords |
SIR |
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1051-8223 |
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no |
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517 |
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| Author |
Koshelets, V. P.; Ermakov, A. B.; Filippenko, L. V.; Khudchenko, A. V.; Kiselev, O. S.; Sobolev, A. S.; Torgashin, M. Y.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Wild, W. |
| Title |
Superconducting integrated submillimeter receiver for TELIS |
Type |
Journal Article |
| Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
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| Volume |
17 |
Issue |
2 |
Pages |
336-342 |
| Keywords |
SIR |
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| ISSN |
1051-8223 |
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no |
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Serial |
524 |
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| Author |
Ozhegov, R. V.; Gorshkov, K. N.; Gol'tsman, G. N.; Kinev, N. V.; Koshelets, V. P. |
| Title |
The stability of a terahertz receiver based on a superconducting integrated receiver |
Type |
Journal Article |
| Year |
2011 |
Publication |
Supercond. Sci. Technol. |
Abbreviated Journal |
Supercond. Sci. Technol. |
| Volume |
24 |
Issue |
3 |
Pages |
035003 |
| Keywords |
SIS mixer, SIR, stability |
| Abstract |
We present the results of stability testing of a terahertz radiometer based on a superconducting receiver with a SIS tunnel junction as the mixer and a flux-flow oscillator as the local oscillator. In the continuum mode, the receiver with a noise temperature of 95 K at 510 GHz measured over the intermediate frequency (IF) passband of 4-8 GHz offered a noise equivalent temperature difference of 10 ± 1 mK at an integration time of 1 s. We offer a method to significantly increase the integration time without the use of complex measurement equipment. The receiver observed a strong signal over a final detection bandwidth of 4 GHz and offered an Allan time of 5 s. |
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no |
| Call Number |
RPLAB @ gujma @ |
Serial |
705 |
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| Author |
Koshelets, V. P.; Khudchenko, A. V. |
| Title |
Analysis of spectral characteristics of a superconducting integrated receiver |
Type |
Journal Article |
| Year |
2006 |
Publication |
J. Communications Technol. Electron. |
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| Volume |
51 |
Issue |
5 |
Pages |
596-603 |
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Approved |
no |
| Call Number |
RPLAB @ s @ mix_SIR |
Serial |
400 |
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| Author |
Koshelets, V. P.; Khudchenko, A. V. |
| Title |
Analysis of spectral characteristics of a superconducting integrated receiver |
Type |
Journal Article |
| Year |
2006 |
Publication |
J. Communications Technol. Electron. |
Abbreviated Journal |
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| Volume |
51 |
Issue |
5 |
Pages |
596-603 |
| Keywords |
SIR |
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| ISSN |
1064-2269 |
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Approved |
no |
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Serial |
526 |
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| Author |
Ozhegov, R. V.; Okunev, O. V.; Gol’tsman, G. N.; Filippenko, L. V.; Koshelets, V. P. |
| Title |
Noise equivalent temperature difference of a superconducting integrated terahertz receiver |
Type |
Journal Article |
| Year |
2009 |
Publication |
J. Commun. Technol. Electron. |
Abbreviated Journal |
J. Commun. Technol. Electron. |
| Volume |
54 |
Issue |
6 |
Pages |
716-720 |
| Keywords |
SIS mixer SIR NETD, FFO, harmonic mixer |
| Abstract |
The dependence of the noise equivalent temperature difference (NETD) of a superconducting integrated receiver (SIR) on the receiver noise temperature and the inputsignal level has been investigated. An unprecedented NETD of 13±2 mK has been measured at a SIR noise temperature of 200 K, intermediate-frequency bandwidth of 4 GHz, and time constant of 1 s. With a decrease in the input signal, an improvement in the NETD is observed. This effect is explained by a reduction in the influence of the instabilities of the receiver power supply and the amplification circuit that occur when the input signal is decreased. |
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1064-2269 |
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no |
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Serial |
1400 |
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| Author |
Feofanov, A. K.; Oboznov, V. A.; Bol'Ginov, V. V.; Lisenfeld, J.; Poletto, S.; Ryazanov, V. V.; Rossolenko, A. N.; Khabipov, M.; Balashov, D.; Zorin, A. B.; Dmitriev, P. N.; Koshelets, V. P.; Ustinov, A. V. |
| Title |
Implementation of superconductor/ferromagnet/ superconductor |
Type |
Journal Article |
| Year |
2010 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
6 |
Issue |
8 |
Pages |
593-597 |
| Keywords |
fromIPMRAS |
| Abstract |
High operation speed and low energy consumption may allow the superconducting digital single-flux-quantum circuits to outperform traditional complementary metal-oxide-semiconductor logic. The remaining major obstacle towards high element densities on-chip is a relatively large cell size necessary to hold a magnetic flux quantum Φ0. Inserting a π-type Josephson junction in the cell is equivalent to applying flux Φ0/2 and thus makes it possible to solve this problem. Moreover, using π-junctions in superconducting qubits may help to protect them from noise. Here we demonstrate the operation of three superconducting circuits-two of them are classical and one quantum-that all utilize such π-phase shifters realized using superconductor/ferromagnet/superconductor sandwich technology. The classical circuits are based on single-flux-quantum cells, which are shown to be scalable and compatible with conventional niobium-based superconducting electronics. The quantum circuit is a π-biased phase qubit, for which we observe coherent Rabi oscillations. We find no degradation of the measured coherence time compared to that of a reference qubit without a π-junction. |
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RPLAB @ gujma @ |
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805 |
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