RF-ICE: large-scale gigahertz readout of frequency-multiplexed microwave kinetic inductance detectors

Rouble, Maclean, Smecher, Graeme M., Anderson, Adam J., Barry, Peter S., Dibert, Karia, Dobbs, Matt, Karkare, Kirit S., Montgomery, Joshua, Zmuidzinas, Jonas and Gao, Jian-Rong 2022. RF-ICE: large-scale gigahertz readout of frequency-multiplexed microwave kinetic inductance detectors. Presented at: SPIE Astronomical Telescopes + Instrumentation, 2022,, Montréal, Québec, Canada, 17-23 July 2022. Proceedings Volume 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI. , vol.12190 SPIE, 10.1117/12.2630286

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Abstract

We present RF-ICE, a novel readout platform for microwave kinetic inductance detectors (MKIDs), optimized for use on millimeter-wavelength telescopes. The RF-ICE system extends ICE, a versatile, mature signal processing platform currently in use on telescopes around the world, into a new operational domain with MKIDs biased with gigahertz carriers. The system couples the FPGA-based ICE motherboard with a radio-frequency digitization daughterboard to enable direct digital synthesis from 0 to 6 GHz without the need for external mixing. The system operates two independent readout modules, each with 1024 frequency-multiplexed readout channels spaced across 500 MHz of carrier bandwidth. The system, which is under active development, is in operation with prototype detector wafers and will be deployed for the upcoming SPT-SLIM and SPT-3G+ experiments.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Physics and Astronomy
Publisher:	SPIE
ISSN:	0277-786X
Last Modified:	16 Jan 2023 13:01
URI:	https://orca.cardiff.ac.uk/id/eprint/155688

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