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

M. Rouble; G. Smecher; A. Anderson; P. S. Barry; K. Dibert; M. Dobbs; K. S. Karkare; J. Montgomery

doi:10.1117/12.2630286

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

Instrumentation and Methods for Astrophysics 2023-10-12 v1

Authors: M. Rouble , G. Smecher , A. Anderson , P. S. Barry , K. Dibert , M. Dobbs , K. S. Karkare , J. Montgomery

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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.

Keywords

microwave kinetic inductance detectors readout system frequency multiplexing gigahertz carriers fpga radio astronomy

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@article{arxiv.2310.07657,
  title  = {RF-ICE: large-scale gigahertz readout of frequency-multiplexed microwave kinetic inductance detectors},
  author = {M. Rouble and G. Smecher and A. Anderson and P. S. Barry and K. Dibert and M. Dobbs and K. S. Karkare and J. Montgomery},
  journal= {arXiv preprint arXiv:2310.07657},
  year   = {2023}
}

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14 pages, 7 figures, appearing in the proceedings of SPIE Astronomical Telescopes and Instrumentation 2022

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

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