Abstract
SQUIDs are typically operated in a flux-locked loop to linearize their response to input flux. However, a flux-locked loop is not possible with a microwave SQUID multiplexer. We describe an alternative technique called flux-ramp modulation and report its successful implementation.
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Acknowledgements
We acknowledge support from NASA under Contract No. NNH05AB771.
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Mates, J.A.B., Irwin, K.D., Vale, L.R. et al. Flux-Ramp Modulation for SQUID Multiplexing. J Low Temp Phys 167, 707–712 (2012). https://doi.org/10.1007/s10909-012-0518-6
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DOI: https://doi.org/10.1007/s10909-012-0518-6