Johnson, B. R., Flanigan, D., Abitbol, M. H., Ade, Peter A. R.  ORCID: https://orcid.org/0000-0002-5127-0401, Bryan, S., Cho, H.-M., Datta, R., Day, P., Doyle, Simon ORCID: https://orcid.org/0000-0002-9054-986X, Irwin, K., Jones, G., Li, D., Mauskopf, P., McCarrick, H., McMahon, J., Miller, A., Pisano, Giampaolo ORCID: https://orcid.org/0000-0003-4302-5681, Song, Y., Surdi, H. and Tucker, Carole ORCID: https://orcid.org/0000-0002-1851-3918
2018.
Development of multi-chroic MKIDs for next-generation CMB polarization studies.
Journal of Low Temperature Physics
193
(3-4)
, pp. 103-112.
10.1007/s10909-018-2032-y
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Abstract
We report on the status of an ongoing effort to develop arrays of horn-coupled, polarization-sensitive microwave kinetic inductance detectors (MKIDs) that are each sensitive to two spectral bands between 125 and 280 GHz. These multi-chroic MKID arrays are tailored for next-generation, large-detector-count experiments that are being designed to simultaneously characterize the polarization properties of both the cosmic microwave background and Galactic dust emission. We present our device design and describe laboratory-based measurement results from two 23-element prototype arrays. From dark measurements of our first engineering array, we demonstrated a multiplexing factor of 92, showed the resonators respond to bath temperature changes as expected, and found that the fabrication yield was 100%. From our first optically loaded array, we found the MKIDs respond to millimeter-wave pulses; additional optical characterization measurements are ongoing. We end by discussing our plans for scaling up this technology to kilo-pixel arrays over the next 2 years.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Physics and Astronomy |
| Publisher: | Springer |
| ISSN: | 0022-2291 |
| Date of First Compliant Deposit: | 2 August 2018 |
| Date of Acceptance: | 18 July 2018 |
| Last Modified: | 24 Oct 2025 21:25 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/113853 |
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