Rotation sensing with trapped ions
- Author(s): Campbell, WC
- Hamilton, P
- et al.
Published Web Locationhttps://doi.org/10.1088/1361-6455/aa5a8f
© 2017 IOP Publishing Ltd. We present a protocol for rotation measurement via matter-wave Sagnac interferometry using trapped ions. The ion trap based interferometer encloses a large area in a compact apparatus through repeated round-trips in a Sagnac geometry. We show how a uniform magnetic field can be used to close the interferometer over a large dynamic range in rotation speed and measurement bandwidth without contrast loss. Since this technique does not require the ions to be confined in the Lamb-Dicke regime, Doppler laser cooling should be sufficient to reach a sensitivity of S = 1.4 × 10-6rad s-1Hz-1/2.
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