Gol'tsman, G. N., & Loudkov, D. N. (2003). Terahertz superconducting hot-electron bolometer mixers and their application in radio astronomy. Radiophys. Quant. Electron., 46(8/9), 604–617.
Abstract: We review the latest developments, research, and radioastronomy applications of hot-electron bolometer (HEB) mixers operated in the terahertz waveband. The physical principles of operation of terahertz HEB mixers are presented, their manufacturing from ultrathin NbN films, the main HEB-mixer parameters and their measurement techniques are discussed, and practical terahertz radioastronomy projects based on heterodyne receivers with HEB mixers are considered.
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Zhang, J., Pearlman, A., Slysz, W., Verevkin, A., Sobolewski, R., Wilsher, K., et al. (2003). A superconducting single-photon detector for CMOS IC probing. In Proc. 16-th LEOS (Vol. 2, pp. 602–603).
Abstract: In this paper, a novel, time-resolved, NbN-based, superconducting single-photon detector (SSPD) has been developed for probing CMOS integrated circuits (ICs) using photon emission timing analysis (PETA).
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Nebosis, R. S., Semenov, A. D., Gousev, Y. P., & Renk, K. F. (1996). Rigorous analysis of a superconducting hot-electron bolometer mixer: theory and comparision with experiment. In Proc. 7th Int. Symp. Space Terahertz Technol. (pp. 601–613). Charlottesville, Virginia, USA.
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Merkel, H., Khosropanah, P., Yagubov, P., & Kollberg, E. (1999). A hot spot mixer model for superconducting phonone–cooled HEB far above the quasipartical band gap. In Proc. 10th Int. Symp. Space Terahertz Technol. (pp. 592–606). Charlottesville, Virginia.
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Antipov, S. V., Vachtomin, Y. B., Maslennikov, S. N., Smirnov, K. V., Kaurova, N. S., Grishina, E. V., et al. (2004). Noise performance of quasioptical ultrathin NbN hot electron bolometer mixer at 2.5 and 3.8 THz. In Proc. 5-th MSMW (Vol. 2, pp. 592–594). Kharkov, Ukraine.
Abstract: To put space-based and airborne heterodyne instruments into operation at frequencies above 1 THz the superconducting NbN hot-electron bolometer (HEB) will be incorporated into heterodyne receiver as a mixer. At frequencies above 1.3 THz the sensitivity of the NbN HEB mixers outperform the one of the Schottky diodes and SIS-mixers, and the receiver noise temperature of the NbN HEB mixers increase with frequency. In this paper we present the results of the noise temperature measurements within one batch of NbN HEB mixers based on 3.5 mn thick superconducting NbN film grown on Si substrate with MgO buffer layer at the LO frequencies 2.5 THz and 3.8 THz.
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