Softwaretechnik-Trends
A Superconducting Planar Integrated Receiver for the Frequency Range 430-480 GHz
S. V. Shitov, V. P. Koshelets, I.L. Lapitskaya, Lyudmila V. Filippenko, A. M. Baryshev, Th. de Graauw, Harald Schaefer, Herman van de Stadt, Willem Luinge
Abstract
A planar receiver comprising a Josephson flux-flow oscillator (FF0), a double dipole antenna and a SIS mixer integrated on a single chip within an area of 3 x 3 mm has been realised in the frequency range of 400-500 GHz. RF tests have been performed at temperatures between 2 K and 4.2 K. A best DSB noise temperature of 595 K 20 K at 465 GHz was obtained for the receiver with the mixer pumped by the FFO. The width of the antenna beam has been measured referred to the input window of the cryostat and was about ± 4 degrees at the power level of about 20 dB. The power consumption of the whole device is estimated to be 20 p.W.