Schubert, J., Semenov, A., Gol'tsman, G., Hübers, H. - W., Schwaab, G., Voronov, B., et al. (1999). Noise temperature of an NbN hot-electron bolometric mixer at frequencies from 0.7 THz to 5.2 THz. Supercond. Sci. Technol., 12(11), 748–750.
Abstract: We report on noise temperature measurements of an NbN phonon-cooled hot-electron bolometric mixer in the terahertz frequency range. The devices were 3 nm thick films with in-plane dimensions 1.7 × 0.2 µm2 and 0.9 × 0.2 µm2 integrated in a complementary logarithmic-spiral antenna. Measurements were performed at seven frequencies ranging from 0.7 THz to 5.2 THz. The measured DSB noise temperatures are 1500 K (0.7 THz), 2200 K (1.4 THz), 2600 K (1.6 THz), 2900 K (2.5 THz), 4000 K (3.1 THz), 5600 K (4.3 THz) and 8800 K (5.2 THz).
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Karpov, A., Blondel, J., Voss, M., & Gundlach, K. H. (1999). A three photon noise SIS heterodyne receiver at submillimeter wavelength. IEEE Trans. Appl. Supercond., 9(2), 4456–4459.
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Chattopadhyay, G., Rice, F., Miller, D., LeDuc, H. G., & Zmuidzinas, J. (1999). A 530-GHz balanced mixer. IEEE Microw. and Guided Wave Lett., 9(11), 467–469.
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Henry, R. C. (1999). Diffuse background radiation. Astrophys. J., 516(2), L49–L52.
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Mason, W., & Waterman, J. R. (1999). Electrical and optical characteristics of two color mid wave HgCdTe infrared detectors. Appl. Phys. Lett., 74(11), 1633–1635.
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