0.34-THz High-Temperature Superconducting Josephson-Junction Mixer with Superior Noise and Conversion Performance

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Conference Proceeding
International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, 2018, 2018-September
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© 2018 IEEE. We present, in this work, a new thin-film antenna-coupled high-temperature superconducting (HTS) Josephson-junction terahertz (THz) mixer that demonstrates superior performance at frequencies around 0.34 THz. A novel dual-meander-slot thin-film antenna is designed to significantly improve the antenna-junction impedance matching and thus more efficient coupling of the THz signal power. Theoretical and experimental investigations are carried out to evaluate the mixer performance. This mixer can be applied to the sensitive THz wireless receivers.
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