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Investigation of the performance of an SIS mixer with Nb-AlN-NbN tunnel junctions in the 780–950 GHz frequency band

Abstract:

In this paper, we present preliminary measured performance of an SIS mixer employing a Nb/AIN/NbN tunnel junction in the frequency range of 780–950 GHz range. The mixer design is an upgrade of the Carbon Heterodyne Array of the Max-Planck-Institute Plus (CHAMP+) mixer, coupled with an easy to fabricate smooth-walled horn. The noise temperature of the mixer is measured using the standard Y-factor method, but all the RF optics is enclosed in the cryostat. We use a rotating mirror in the cryosta...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
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Institution:
University of Oxford
Division:
MPSL Division
Department:
Physics; Astrophysics
Role:
Author
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Institution:
University of Oxford
Division:
MPSL Division
Department:
Physics; Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPSL Division
Department:
Physics; Astrophysics
Role:
Author
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Publisher:
National Radio Astronomy Observatory Publisher's website
Journal:
29th International Symposium on Space Terahertz Technology Journal website
Pages:
139-142
Host title:
29th International Symposium on Space Terahertz Technology, Pasadena, CA, USA, March 26-28, 2018
Publication date:
2018-11-03
Acceptance date:
2018-07-06
Source identifiers:
865253
Pubs id:
pubs:865253
UUID:
uuid:b5194fa4-3284-45e5-aac2-6dd9cb44f6c4
Local pid:
pubs:865253
Deposit date:
2018-07-09

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