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Thin lm dielectric microstrip kinetic inductance detectors

Published

Author(s)

David P. Pappas, Jiansong Gao, Benjamin Mazin, Daniel Sank, Erik Lucero, John M. Martinis, Andrew Merrill, Sunil Golwala, David Moore, Jonas Zmuidzinas

Abstract

Microwave Kinetic Inductance Detectors, or MKIDs, are a type of low temperature detector that exhibit intrinsic frequency domain multiplexing at microwave frequencies. We present theory and measurements on a new type of MKID based on a microstrip transmission line resonator. A microstrip line made with a deposited dielectric gives signi cant exibility in fabrication, and should enable detector arrays with very high ll factors by hiding the resonators on top or under an absorber. A complete characterization of the dielectric loss and noise properties of these resonators is performed, and agrees well with the derived theory. A competitive NEP of 51017 W Hz1=2 at 1 Hz has been demonstrated. The resonators exhibit the highest quality factors known in a microstrip resonator with a deposited thin lm dielectric.
Citation
Applied Physics Letters
Volume
96
Issue
10

Keywords

Thin film superconductors

Citation

Pappas, D. , Gao, J. , Mazin, B. , Sank, D. , Lucero, E. , Martinis, J. , Merrill, A. , Golwala, S. , Moore, D. and Zmuidzinas, J. (2010), Thin lm dielectric microstrip kinetic inductance detectors, Applied Physics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=904363 (Accessed May 27, 2024)

Issues

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Created March 8, 2010, Updated February 19, 2017