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Sensing a THz electric field with a molecular ion clock

Abstract : This contribution proposes a new method for THz-wave detection that exploits the sensitivity to external fields of the transitions of accurate molecular ion clocks. A THz electric field, off-resonantly coupled to the HD+ energy levels, may be characterized from the comparison between the measurements of the lighshifts induced on a two-photon rovibrational transition probed on cold trapped molecular ions, and the theoretical predictions of the molecular ion theory. A set of six independent lightshift measurements may be converted into the amplitudes and the phases of the Cartesian components of the THz electric field in the laboratory frame.
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https://hal.archives-ouvertes.fr/hal-03335652
Contributor : Florin Lucian Constantin Connect in order to contact the contributor
Submitted on : Thursday, September 23, 2021 - 6:29:15 PM
Last modification on : Tuesday, October 19, 2021 - 10:59:24 AM

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Florin Lucian Constantin. Sensing a THz electric field with a molecular ion clock. Optical and Quantum Sensing and Precision Metrology, Mar 2021, San Francisco, CA, United States. pp.1170046, ⟨10.1117/12.2591976⟩. ⟨hal-03335652⟩

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