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- Title
Integrated Superconducting Submillimeter-Wave Receivers.
- Authors
Koshelets, V.; Shitov, S.; Filippenko, L.; Dmitriev, P.; Ermakov, A.; Sobolev, A.; Torgashin, M.
- Abstract
We overview recent achievements in the field of cryogenic submillimeter-wave receivers based on superconductor-insulator-superconductor (SIS) tunnel junctions. The main attention is paid to the novel superconducting integrated receivers (SIRs) with an on-chip superconducting local oscillator. The single-chip microcircuit of the receiver, which integrates a quantum mixer based on the nonlinearity of a quasi-particle current in the SIS junction, a planar superconducting receiving antenna, and a cryogenic local oscillator, is described. Being dc-powered only by batteries, such a microcircuit operates as a submillimeter-wave superheterodyne receiver without any additional microwave equipment. Such receivers are very attractive for radioastronomical research, space communication systems, and monitoring of the environment from satellites, balloons, and special aircraft.A breadboard of a superconducting spectrometer with a phase-locked flux-flow oscillator (FFO) has been developed and tested. A frequency resolution better than 10 kHz was reached at a frequency of 365 GHz. We describe a balloon-borne 500-650 GHz integrated spectrometer for oblique atmospheric sounding, developed for the international Terahertz Limb Sounder (TELIS) project. The first flight is scheduled for 2005.
- Subjects
QUANTUM electronics; ELECTRON optics; SUPERCONDUCTORS; RADIOLOGY; PHYSICS
- Publication
Radiophysics & Quantum Electronics, 2003, Vol 46, Issue 8/9, p618
- ISSN
0033-8443
- Publication type
Article
- DOI
10.1023/B:RAQE.0000024992.02488.93