Records |
Author |
Tretyakov, I. V.; Anfertyev, V. A.; Revin, L. S.; Kaurova, N. S.; Voronov, B. M.; Vaks, V. L.; Goltsman, G. N. |
Title |
Sensitivity and resolution of a heterodyne receiver based on the NbN HEB mixer with a quantum-cascade laser as a local oscillator |
Type |
Journal Article |
Year |
2018 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
Radiophys. Quant. Electron. |
Volume |
60 |
Issue |
12 |
Pages |
988-992 |
Keywords |
NbN HEB mixer |
Abstract |
We present the results of experimental studies of the basic characteristics and operation features of a terahertz heterodyne detector based on the superconducting NbN HEB mixer and a quantum cascade laser as a local oscillator operating at a frequency of 2.02 THz. The measured noise temperature of such a mixer amounted to 1500 K. The spectral resolution of the detector is determined by the width of the local-oscillator spectral line whose measured value does not exceed 1 MHz. The quantum-cascade laser could be linearly tuned with respect to frequency with the coefficient 7.2 MHz/mA within the limits of the current oscillation bandwidth. |
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ISSN |
0033-8443 |
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Call Number |
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Serial |
1307 |
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Author |
Vaks, V. L.; Kurin, V. V.; Pankratov, A. L.; Koshelets, V. P. |
Title |
Investigation of spectral properties of phase-focked flux flow oscillator |
Type |
Abstract |
Year |
2005 |
Publication |
ISEC |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
PD-04 |
Keywords |
SIR, FFO |
Abstract |
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Publisher |
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Place of Publication |
Netherlands |
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no |
Call Number |
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Serial |
522 |
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