Superconducting Coplanar Waveguide Filters for Submillimeter Wave On-Chip Filterbank Spectrometers
- Endo, A.
- Yates, S. J. C.
- Bueno, J.
- Thoen, D. J.
- Murugesan, V.
- Baryshev, A. M.
- Klapwijk, T. M.
- van der Werf, P. P.
- Baselmans, J. J. A.
Publication date
July 2016
DOIAbstract
We show the first experimental results which prove that superconducting NbTiN coplanar-waveguide resonators can achieve a loaded Q factor in excess of 800 in the 350 GHz band. These resonators can be used as narrow band pass filters for on-chip filter bank spectrometers for astronomy. Moreover, the low-loss coplanar waveguide technology provides an interesting alternative to microstrip lines for constructing large scale submillimeter wave electronics in general
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