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Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method. / Radnatarov, D.; Gromov, I.; Kobtsev, S. et al.

Proceedings of SPIE - The International Society for Optical Engineering. The International Society for Optical Engineering, 2025. 1372515 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13725).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

Harvard

Radnatarov, D, Gromov, I, Kobtsev, S, Basalaev, M & Yudin, V 2025, Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method. in Proceedings of SPIE - The International Society for Optical Engineering., 1372515, Proceedings of SPIE - The International Society for Optical Engineering, vol. 13725, The International Society for Optical Engineering, SPIE/COS Photonics Asia 2025, Beijing, China, 12.10.2025. https://doi.org/10.1117/12.3074320

APA

Radnatarov, D., Gromov, I., Kobtsev, S., Basalaev, M., & Yudin, V. (2025). Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method. In Proceedings of SPIE - The International Society for Optical Engineering [1372515] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13725). The International Society for Optical Engineering. https://doi.org/10.1117/12.3074320

Vancouver

Radnatarov D, Gromov I, Kobtsev S, Basalaev M, Yudin V. Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method. In Proceedings of SPIE - The International Society for Optical Engineering. The International Society for Optical Engineering. 2025. 1372515. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.3074320

Author

Radnatarov, D. ; Gromov, I. ; Kobtsev, S. et al. / Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method. Proceedings of SPIE - The International Society for Optical Engineering. The International Society for Optical Engineering, 2025. (Proceedings of SPIE - The International Society for Optical Engineering).

BibTeX

@inproceedings{bfe799aa193f4b4fb6addfe6aee2d484,
title = "Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method",
abstract = "We present an improved technique for suppressing light shift in pulsed CPT atomic clocks by a method of refining the combined error signal (CES). While our earlier implementation successfully eliminated sensitivity to power fluctuations, it failed to improve long-term stability. Through detailed experimental analysis, we identified the key limiting factors and introduced modifications to the pulse sequence, including phase-constrained transitions, composite pulses, and spatial filtering. These advancements enabled us to significantly enhance long-term frequency stability, bringing it close to the theoretical limit. The results confirm the practical feasibility of robust light-shift suppression in miniaturised atomic clocks.",
keywords = "CPT atomic clock, rubidium atomic clock, Ramsey spectroscopy, light shift cancellation",
author = "D. Radnatarov and I. Gromov and S. Kobtsev and M. Basalaev and V. Yudin",
note = "The work was supported by the Ministry of Science and Higher Education of the Russian Federation (FSUS-2025-0011).; SPIE/COS Photonics Asia 2025 ; Conference date: 12-10-2025 Through 14-10-2025",
year = "2025",
month = nov,
day = "19",
doi = "10.1117/12.3074320",
language = "English",
isbn = "9781510694026",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "The International Society for Optical Engineering",
booktitle = "Proceedings of SPIE - The International Society for Optical Engineering",
address = "United States",
url = "https://spie.org/conferences-and-exhibitions/photonics-asia",

}

RIS

TY - GEN

T1 - Improved long-term stability of pulsed CPT atomic clocks using a modified combined error signal method

AU - Radnatarov, D.

AU - Gromov, I.

AU - Kobtsev, S.

AU - Basalaev, M.

AU - Yudin, V.

N1 - The work was supported by the Ministry of Science and Higher Education of the Russian Federation (FSUS-2025-0011).

PY - 2025/11/19

Y1 - 2025/11/19

N2 - We present an improved technique for suppressing light shift in pulsed CPT atomic clocks by a method of refining the combined error signal (CES). While our earlier implementation successfully eliminated sensitivity to power fluctuations, it failed to improve long-term stability. Through detailed experimental analysis, we identified the key limiting factors and introduced modifications to the pulse sequence, including phase-constrained transitions, composite pulses, and spatial filtering. These advancements enabled us to significantly enhance long-term frequency stability, bringing it close to the theoretical limit. The results confirm the practical feasibility of robust light-shift suppression in miniaturised atomic clocks.

AB - We present an improved technique for suppressing light shift in pulsed CPT atomic clocks by a method of refining the combined error signal (CES). While our earlier implementation successfully eliminated sensitivity to power fluctuations, it failed to improve long-term stability. Through detailed experimental analysis, we identified the key limiting factors and introduced modifications to the pulse sequence, including phase-constrained transitions, composite pulses, and spatial filtering. These advancements enabled us to significantly enhance long-term frequency stability, bringing it close to the theoretical limit. The results confirm the practical feasibility of robust light-shift suppression in miniaturised atomic clocks.

KW - CPT atomic clock

KW - rubidium atomic clock

KW - Ramsey spectroscopy

KW - light shift cancellation

UR - https://www.scopus.com/pages/publications/105025821425

UR - https://www.mendeley.com/catalogue/a692f5a9-db76-384d-8bd1-5893cbc16016/

U2 - 10.1117/12.3074320

DO - 10.1117/12.3074320

M3 - Conference contribution

SN - 9781510694026

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Proceedings of SPIE - The International Society for Optical Engineering

PB - The International Society for Optical Engineering

T2 - SPIE/COS Photonics Asia 2025

Y2 - 12 October 2025 through 14 October 2025

ER -

ID: 74493187