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Proceedings Paper

Tunable THz source using superconducting tunnel junctions
Author(s): F. Boussaha; A. Féret; C. Chaumont; L. Loukitch; T. Vacelet
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Paper Abstract

We report on tunable submillimeter-wave radiation sources based on micrometer-sized superconducting tunnel junction arrays optimized within a bandwidth of 350-520 GHz. The arrays consist of 10, 20 and 40 Superconductor-Insulator- Superconductor (SIS) parallel-connected Nb/AlOx/Nb junctions embedded in superconducting microstrip lines. A SIS twin-junction is integrated along with each array to detect output signals. The pumped detector’s I-V characteristic exhibits clearly photon-assisted quasiparticule steps when the arrays are biased upon corresponding Josephson resonances ranging from 370 to 520 GHz.

Paper Details

Date Published: 24 September 2013
PDF: 7 pages
Proc. SPIE 8846, Terahertz Emitters, Receivers, and Applications IV, 88460L (24 September 2013); doi: 10.1117/12.2026955
Show Author Affiliations
F. Boussaha, Observatoire de Paris (France)
A. Féret, Observatoire de Paris (France)
C. Chaumont, Observatoire de Paris (France)
L. Loukitch, INSA (France)
T. Vacelet, Observatoire de Paris (France)

Published in SPIE Proceedings Vol. 8846:
Terahertz Emitters, Receivers, and Applications IV
Manijeh Razeghi; Alexei N. Baranov; John M. Zavada, Editor(s)

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