Operational Optimization to Maximize Dynamic Range in EXCLAIM Microwave Kinetic Inductance Detectors

Trevor M. Oxholm, Eric R. Switzer, Emily M. Barrentine, Thomas Essinger-Hileman, James P. Hays-Wehle, Philip D. Mauskopf, Omid Noroozian, Maryam Rahmani, Adrian K. Sinclair, Ryan Stephenson, Thomas R. Stevenson, Peter T. Timbie, Carolyn Volpert, Eric Weeks

Research output: Contribution to journalArticlepeer-review

Abstract

Microwave Kinetic Inductance Detectors (MKIDs) are highly scalable detectors that have demonstrated nearly background-limited sensitivity in the far-infrared from high-altitude balloon-borne telescopes and space-like laboratory environments. In addition, the detectors have a rich design space with many optimizable parameters, allowing high sensitivity measurements over a wide dynamic range. For these reasons, MKIDs were chosen for the Experiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM), a balloon-borne telescope targeting nearly background-limited performance in a high-altitude atmospheric environment from 420 to 540 GHz. We describe MKID optimization in the specific context of EXCLAIM and provide general results that apply to broader applications. Extending the established approach of tone frequency tracking, we show that readout power optimization enables significant, further improvement in dynamic range.

Original languageEnglish (US)
JournalJournal of Low Temperature Physics
DOIs
StateAccepted/In press - 2022
Externally publishedYes

Keywords

  • Far-infrared detector
  • MKID
  • Telescope

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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