Detection of 3–300 MHz electric fields using Floquet sideband gaps by “Rabi matching” dressed Rydberg atoms

Rotunno, Andrew P.; Berweger, Samuel; Prajapati, Nikunjkumar; Simons, Matthew T.; Artusio-Glimpse, Alexandra B.; Holloway, Christopher L.; Jayaseelan, Maitreyi; Potvliege, R.M.; Adams, C.S.

Abstract

Radio frequencies in high-frequency (HF) and very high-frequency (VHF) bands (3–300 MHz) are challenging for Rydberg atom-based detection schemes, as resonant detection requires exciting atoms to extremely high energy states. We demonstrate a method for detecting and measuring radio frequency carriers in these bands via a controlled Autler–Townes line splitting. Using a resonant 18 GHz field, the absorption signal from Townes–Merritt sidebands created by a relatively low-frequency, non-resonant field can be enhanced. Notably, this technique uses a measurement of optical frequency separation of an avoided crossing to determine the amplitude of a non-resonant field. This technique also provides frequency-selective measurements of electric fields in the hundreds of MHz range with resolution of order 10 MHz. To show this, we demonstrate amplitude-modulated signal transduction on a MHz-range carrier. We further demonstrate reception of multiple tones simultaneously, creating a Rydberg “spectrum analyzer.”

Citation

Rotunno, A. P., Berweger, S., Prajapati, N., Simons, M. T., Artusio-Glimpse, A. B., Holloway, C. L., …Adams, C. (2023). Detection of 3–300 MHz electric fields using Floquet sideband gaps by “Rabi matching” dressed Rydberg atoms. Journal of Applied Physics, 134(13), Article 134501. https://doi.org/10.1063/5.0162101

• Journal Article Type: Article
• Acceptance Date: Sep 11, 2023
• Online Publication Date: Oct 2, 2023
• Publication Date: Oct 7, 2023
• Deposit Date: Sep 12, 2023
• Publicly Available Date: Oct 2, 2023
• Journal: Journal of Applied Physics
• Print ISSN: 0021-8979
• Electronic ISSN: 1089-7550
• Publisher: American Institute of Physics
• Peer Reviewed: Peer Reviewed
• Volume: 134
• Issue: 13
• Article Number: 134501
• DOI: https://doi.org/10.1063/5.0162101
• Public URL: https://durham-repository.worktribe.com/output/1735725