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Towards a quantum−enhanced trapped−atom clock on a chip

Meng-Zi Huang, Tommaso Mazzoni, Carlos L. Garrido Alzar, Jakob Reichel

Published Jul 22, 2018• 0 citations
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Towards a quantum-enhanced trapped-atom clock on a chip

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Review of Scientific Instruments•Nov 1, 2017•5 citations
With interfering enhanced coherent population trapping (CPT) signals, a CPT atomic clock with improved frequency stability performance can be realized. We explore an optical device that converts single-polarized bichromatic light to left and right circularly polarized superposed bichromatic light to generate interfering enhanced CPT resonance with atoms. We have experimentally studied a tabletop CPT atomic clock apparatus with a microfabricated 87Rb atomic chip-scale cell, and the study results show that it is promising to realize a compact CPT atomic clock, even a chip-scale CPT atomic clock through microfabrication, with improved frequency stability performance.