CCAT: FYST prime-cam readout software: a framework for massively scalable KID arrays

James R. Burgoyne; Adrian K. Sinclair; Scott C. Chapman; Steve K. Choi; Cody J. Duell; Anthony I. Huber; Zachary B. Huber; Ben Keller; Lawrence Lin; Michael D. Niemack; Douglas Scott; Eve M. Vavagiakis; Samantha Walker; Matt Xie

doi:10.1117/12.3019028

25 July 2024 CCAT: FYST prime-cam readout software: a framework for massively scalable KID arrays

James R. Burgoyne, Adrian K. Sinclair, Scott C. Chapman, Steve K. Choi, Cody J. Duell, Anthony I. Huber, Zachary B. Huber, Ben Keller, Lawrence Lin, Michael D. Niemack, Douglas Scott, Eve M. Vavagiakis, Samantha Walker, Matt Xie

Author Affiliations +

Proceedings Volume 13101, Software and Cyberinfrastructure for Astronomy VIII; 131013C (2024) https://doi.org/10.1117/12.3019028
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

We outline the development of the readout software for the Prime-Cam and Mod-Cam instruments on the CCAT Fred Young Submillimeter Telescope (FYST), primecam readout. The instruments feature Lumped-element Kinetic Inductance Detector (LEKID) arrays driven by Xilinx ZCU111 RFSoC boards. In the current configuration, each board can drive up to 4000 KIDs, and Prime-Cam is implementing approximately 25 boards. The software runs on a centralized control computer connected to the boards via dedicated ethernet and facilitates such tasks as frequency-multiplexed tone comb driving, comb calibration and optimization, and detector timestream establishment. The control computer utilizes dynamically generated control channels for each board, allowing for simultaneous parallel control overall, while uniquely tracking diagnostics for each. This work demonstrates a scalable RFSoC readout architecture where computational demands increase linearly with the number of detectors, enabling control of tens-of-thousands of KIDs with modest hardware, and opening the door to the next generation of KID arrays housing millions of detectors.

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James R. Burgoyne, Adrian K. Sinclair, Scott C. Chapman, Steve K. Choi, Cody J. Duell, Anthony I. Huber, Zachary B. Huber, Ben Keller, Lawrence Lin, Michael D. Niemack, Douglas Scott, Eve M. Vavagiakis, Samantha Walker, and Matt Xie "CCAT: FYST prime-cam readout software: a framework for massively scalable KID arrays", Proc. SPIE 13101, Software and Cyberinfrastructure for Astronomy VIII, 131013C (25 July 2024); https://doi.org/10.1117/12.3019028

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