2024
DOI: 10.1088/1361-6455/ad838a
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Measurement-induced heating of a trapped ion

A J Rasmusson,
Ilyoung Jung,
Frank G Schroer
et al.

Abstract: We experimentally study the heating of trapped atomic ions during measurement of their internal qubit states. During measurement, ions are projected into one of two basis states and discriminated by their state-dependent fluorescence. We observe that ions in the fluorescing state rapidly scatter photons and heat at a rate of \mbox{$\dot{\bar{n}}\gtrsim 2\times 10^4$ quanta/s}, which is orders of magnitude faster than typical anomalous ion heating rates. We introduce a quantum trajectory-based framework that ac… Show more

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