CCAT: detector noise limited performance of the RFSoC-based readout electronics for mm/sub-mm/far-IR KIDs

Adrian K. Sinclair; James Burgoyne; Anthony I. Huber; Colin Murphy; Steve K. Choi; Cody J. Duell; Zachary B. Huber; Yaqiong Li; Scott C. Chapman; Michael D. Niemack; Thomas Nikola; Eve M. Vavagiakis; Samantha Walker; Jordan D. Wheeler; Jason Austermann; Lawrence Lin; Ruixuan Xie; Bugao Zou; Philip D. Mauskopf

doi:10.1117/12.3020557

16 August 2024 CCAT: detector noise limited performance of the RFSoC-based readout electronics for mm/sub-mm/far-IR KIDs

Adrian K. Sinclair, James Burgoyne, Anthony I. Huber, Colin Murphy, Steve K. Choi, Cody J. Duell, Zachary B. Huber, Yaqiong Li, Scott C. Chapman, Michael D. Niemack, Thomas Nikola, Eve M. Vavagiakis, Samantha Walker, Jordan D. Wheeler, Jason Austermann, Lawrence Lin, Ruixuan Xie, Bugao Zou, Philip D. Mauskopf

Author Affiliations +

Proceedings Volume 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII; 131022E (2024) https://doi.org/10.1117/12.3020557
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The Fred Young Submillimeter Telescope (FYST), on Cerro Chajnantor in the Atacama desert of Chile, will conduct wide-field and small deep-field surveys of the sky with more than 100,000 detectors on the Prime-Cam instrument. Kinetic inductance detectors (KIDs) were chosen as the primary sensor technology for their high density focal plane packing. Additionally, they benefit from low cost, ease of fabrication, and simplified cryogenic readout, which are all beneficial for successful deployment at scale. The cryogenic multiplexing complexity is pulled out of the cryostat and is instead pushed into the digital signal processing of the room temperature electronics. Using the Xilinx Radio Frequency System on a Chip (RFSoC), a highly multiplexed KID readout was developed for the first light Prime-Cam and commissioning Mod-Cam instruments. We report on the performance of the RFSoC-based readout with multiple detector arrays in various cryogenic setups. Specifically we demonstrate detector noise limited performance of the RFSoC-based readout under the expected optical loading conditions.

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Adrian K. Sinclair, James Burgoyne, Anthony I. Huber, Colin Murphy, Steve K. Choi, Cody J. Duell, Zachary B. Huber, Yaqiong Li, Scott C. Chapman, Michael D. Niemack, Thomas Nikola, Eve M. Vavagiakis, Samantha Walker, Jordan D. Wheeler, Jason Austermann, Lawrence Lin, Ruixuan Xie, Bugao Zou, and Philip D. Mauskopf "CCAT: detector noise limited performance of the RFSoC-based readout electronics for mm/sub-mm/far-IR KIDs", Proc. SPIE 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII, 131022E (16 August 2024); https://doi.org/10.1117/12.3020557

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