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Preliminary design of an ALMA band 10 single-chip dual-polarisation SIS mixer

Abstract:
We present the design of an integrated dual-polarisation superconductor-insulator-superconductor (SIS) mixer operating at ALMA Band 10 frequency range. All the RF components, including the orthomode transducer (OMT), the quadrature hybrid and the SIS mixer circuits, are designed as superconducting planar circuits to form a single planar mixer chip. The mixer circuits will be fabricated using standard thin film deposition technology on an ultra-thin silicon-on-insulator (SoI) substrate. In this paper, we discuss in detail the design of the various RF components that make up the complete dual-polarisation SIS mixer chip, and provide the predicted performance using rigorous electromagnetic modelling. The optimised designs of these components are then integrated in a superconducting quantum mixer circuit modelling (SuperMix) environment for assessing the performance of the heterodyne parameters of the mixer such as mixer gain and noise temperature.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1109/UCMMT.2017.8068508

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author


Publisher:
Institute of Electrical and Electronics Engineers
Host title:
10th UK/Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT 2017)
Journal:
10th UK/Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT 2017) More from this journal
Publication date:
2017-10-01
Acceptance date:
2017-07-15
DOI:


Pubs id:
pubs:725824
UUID:
uuid:b37c6250-1e56-4db0-a8b0-1057166ea2a3
Local pid:
pubs:725824
Source identifiers:
725824
Deposit date:
2017-09-07

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