Prospects for a simultaneous atom interferometer with ultracold cadmium and strontium for fundamental physics tests

Jonathan N. Tinsley; Satvika Bandarupally; Mauro Chiarotti; Shamaila Manzoor; Leonardo Salvi; Nicola Poli

doi:10.1117/12.2616918

2 March 2022 Prospects for a simultaneous atom interferometer with ultracold cadmium and strontium for fundamental physics tests

Jonathan N. Tinsley, Satvika Bandarupally, Mauro Chiarotti, Shamaila Manzoor, Leonardo Salvi, Nicola Poli

Author Affiliations +

Proceedings Volume 12016, Optical and Quantum Sensing and Precision Metrology II; 1201602 (2022) https://doi.org/10.1117/12.2616918
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Matter-wave interferometers operating as clocks and gravimeters allow for precision measurements of time and gravity at unprecedented levels. In all these sensors, the exquisite control of both the internal (electronic) and external (center-of-mass motion) degrees of freedom of ultracold atomic samples enable interactions at their most basic, quantum level to be studied, paving the way for new tests of fundamental physics. For all these applications, novel interferometric schemes based on the narrow intercombination transitions of alkali-earth (and alkali-earth like) atoms have recently gained considerable attention. Here we present the work towards the realization of a simultaneous atom interferometer with cadmium and strontium atoms and the potential physics such a system could explore, along the idea of the ERC - “TICTOCGRAV” EU research project. In particular, we present the design and implementation of the high-power UV laser sources necessary for performing atom interferometry with cadmium and the prospects for developing a high-flux, cold source of cadmium. Potential applications of a simultaneous cadmium and strontium atom interferometer, including to weak equivalence principle and quantum time dilation tests, are discussed.

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Jonathan N. Tinsley, Satvika Bandarupally, Mauro Chiarotti, Shamaila Manzoor, Leonardo Salvi, and Nicola Poli "Prospects for a simultaneous atom interferometer with ultracold cadmium and strontium for fundamental physics tests", Proc. SPIE 12016, Optical and Quantum Sensing and Precision Metrology II, 1201602 (2 March 2022); https://doi.org/10.1117/12.2616918

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