Investigations of coherent population trapping and Ramsey interrogations towards cold atom-based clock development

Gour S. Pati; Renu Tripathi; Gustavo Acosta; Mauricio Pulido

doi:10.1117/12.3013522

10 June 2024 Investigations of coherent population trapping and Ramsey interrogations towards cold atom-based clock development

Gour S. Pati, Renu Tripathi, Gustavo Acosta, Mauricio Pulido

Author Affiliations +

Proceedings Volume PC13028, Quantum Information Science, Sensing, and Computation XVI; PC1302802 (2024) https://doi.org/10.1117/12.3013522
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

We present investigations of coherent population trapping (CPT) and Ramsey-CPT interrogations in laser-cooled 87Rb atoms towards the development of a cold atom-based clock.CPT and Ramsey-CPT interrogations are performed by turning off the magneto-optical trap (MOT) and allowing the atoms to freely expand. Ramsey-CPT interrogation is performed in the time-domain by delivering resonant Raman pulses to the atoms separated by a free evolution time which is determined by the atomic expansion time in our system. Our results show promise for improving the clock performance using this cold atom-based apparatus.

Conference Presentation

Citation Download Citation

Gour S. Pati, Renu Tripathi, Gustavo Acosta, and Mauricio Pulido "Investigations of coherent population trapping and Ramsey interrogations towards cold atom-based clock development", Proc. SPIE PC13028, Quantum Information Science, Sensing, and Computation XVI, PC1302802 (10 June 2024); https://doi.org/10.1117/12.3013522

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