Chip-scale packages for a tunable wavelength reference and laser cooling platform

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Dyer, S. and Gallacher, K. and Hawley, U. and Bregazzi, A. and Griffin, P.F. and Arnold, A.S. and Paul, D.J. and Riis, E. and McGilligan, J.P. (2023) Chip-scale packages for a tunable wavelength reference and laser cooling platform. Physical Review Applied, 19 (4). 044015. ISSN 2331-7043 (https://doi.org/10.1103/PhysRevApplied.19.044015)

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Abstract

We demonstrate a tunable, chip-scale wavelength reference to greatly reduce the complexity and volume of cold-atom sensors. A 1-mm optical path length microfabricated cell provides an atomic wavelength reference, with dynamic frequency control enabled by Zeeman-shifting the atomic transition through the magnetic field generated by the printed-circuit-board coils. The dynamic range of the laser frequency stabilization system is evaluated and used in conjunction with an improved generation of chip-scale cold-atom platforms that traps 4 million 87Rb atoms. The scalability and component consolidation provide a key step forward in the miniaturization of cold-atom sensors.

ORCID iDs

Dyer, S., Gallacher, K., Hawley, U., Bregazzi, A. ORCID logoORCID: https://orcid.org/0009-0008-3916-4498, Griffin, P.F. ORCID logoORCID: https://orcid.org/0000-0002-0134-7554, Arnold, A.S. ORCID logoORCID: https://orcid.org/0000-0001-7084-6958, Paul, D.J., Riis, E. ORCID logoORCID: https://orcid.org/0000-0002-3225-5302 and McGilligan, J.P. ORCID logoORCID: https://orcid.org/0000-0002-6514-9696;
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