Demonstration of a multiplexer of dissipationless superconducting quantum interference devices
Appl. Phys. Lett. 92, 023514 (2008); doi:10.1063/1.2803852
Published 18 January 2008
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We report on the development of a microwave superconducting quantum interference device (SQUID) multiplexer to read out arrays of low-temperature detectors. In this frequency-division multiplexer, superconducting resonators with different frequencies couple to a common transmission line and each resonator couples to a different dissipationless SQUID. We demonstrate multiple designs, with high-Q values (4100–18 000), noise as low as 0.17µ
0/
, and a naturally linear readout scheme based on flux modulation. This multiplexing approach is compatible with superconducting transition-edge sensors and magnetic calorimeters and is capable of multiplexing more than a thousand detectors in a single transmission line.
©2008 American Institute of Physics
0/| History: | Received 20 July 2007; accepted 9 October 2007; published 18 January 2008 |
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KEYWORDS and PACS
frequency division multiplexing,
multiplexing equipment,
SQUIDs,
superconducting microwave devices,
superconducting resonators
- 85.25.Dq
Superconducting quantum interference devices (SQUIDs) - YEAR: 2008
RELATED DATABASES
PUBLICATION DATA
0003-6951 (print)
1077-3118 (online)
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