An all solid-state superconducting heterodyne receiver at terahertz frequencies
作者： C.E. Tong , R. Blundell , D.C. Papa , M. Smith , J. Kawamura
DOI: 10.1109/75.790476
关键词: Electrical engineering 、 Radio receiver design 、 Physics 、 Superheterodyne receiver 、 Terahertz radiation 、 Optoelectronics 、 Noise temperature 、 Heterodyne detection 、 Varicap 、 Local oscillator 、 Gunn diode
摘要: A superconducting hot-electron bolometer mixer-receiver operating from 1 to 1.26 THz has been developed. This heterodyne receiver employs two solid-state local oscillators each consisting of a Gunn oscillator followed by stages varactor frequency multiplication. The measured noise temperature is 1350 K at 1.035 and 2700 THz. demonstrates that tunable oscillators, supplying only few micro-watts output power, can be used in terahertz applications.
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