Tailored optical clock transition in 40Ca+

L. Pelzer; K. Dietze; J. Kramer; F. Dawel; L. Krinner; N. Spethmann; V. Martinez; N. Aharon; A. Retzker; K. Hammerer; P. O. Schmidt

doi:10.1016/j.measen.2021.100326

Tailored optical clock transition in ⁴⁰Ca⁺

L. Pelzer, K. Dietze, J. Kramer, F. Dawel, L. Krinner, N. Spethmann, V. Martinez, N. Aharon, A. Retzker, K. Hammerer, P. O. Schmidt^*

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We engineer an artificial optical clock transition in ⁴⁰Ca⁺ with a continuous dynamical decoupling scheme. It suppresses inhomogeneous tensor shifts as well as the linear Zeeman shift, making it suitable for multi-ion operation. Coherence times approaching the natural lifetime limit ensure low statistical uncertainties on the optical transition. We continuously apply the dressing fields, making the tailored transition robust against magnetic field fluctuations during the entire clock probe time.

Original language	English
Article number	100326
Journal	Measurement: Sensors
Volume	18
DOIs	https://doi.org/10.1016/j.measen.2021.100326
State	Published - Dec 2021

Bibliographical note

Publisher Copyright:
© 2021

Keywords

Dynamic decoupling
Multi-ion clock
Optical ion clock
Quadrupole shift

Access to Document

10.1016/j.measen.2021.100326

Cite this

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AU - Dietze, K.

AU - Kramer, J.

AU - Dawel, F.

AU - Krinner, L.

AU - Spethmann, N.

AU - Martinez, V.

AU - Aharon, N.

AU - Retzker, A.

AU - Hammerer, K.

AU - Schmidt, P. O.

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KW - Quadrupole shift

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