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World Scientific series in 20th century physics

Paper 1.6: "Resonance Transitions Induced by Perturbations at Two or More Different Frequencies," N. F. Ramsey, Phys. Rev. 100, 1191–1194 (1955)

Published Jun 1, 1998• 0 citations
Publisher
DOI
10.1142/9789812795717_0006

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Paper 6.5: "Complementarity with Neutron Two-Path Interferences and Separated-Oscillatory-Field Resonances," N. F. Ramsey, Phys. Rev. A48, 80–82 (1993)

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Paper 1.8: "Molecular Beam Resonances in Oscillatory Fields of Nonuniform Amplitudes and Phases," N. F. Ramsey, Phys. Rev. 109, 822–825 (1958)

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Paper 1.5: "Use of Rotating Coordinates in Magnetic Resonance Problems," I. I. Rabi, N. F. Ramsey and J. Schwinger, Rev. Mod. Phys. 26, 167–171 (1954)

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Synthetic frequency protocol for Ramsey spectroscopy of clock transitions

Valeriy I. Yudin, A. V. Taǐchenachev, M. Yu. Basalaev +1 more

We develop a universal method to significantly suppress probe-induced shifts in any type of atomic clock using Ramsey spectroscopy. Our approach is based on the adaptation of the synthetic frequency concept [V. I. Yudin et al., Phys. Rev. Lett. 107, 030801 (2011)] (previously developed for blackbody radiation shift suppression) to Ramsey spectroscopy with the use of interrogations with different dark time intervals. The most significant suppression of the shift is obtained in combination with the so-called hyper-Ramsey spectroscopy technique [V. I. Yudin et al., Phys. Rev. A 82, 011804(R) (2010)]. In this case, the probe-induced frequency shifts can be suppressed considerably from metrologically significant levels to below a fractional level of ${10}^{\ensuremath{-}18}$ for practically any optical atomic clocks. The main advantage of our method in comparison with other hyper-Ramsey approaches [R. Hobson et al., Phys. Rev. A 93, 010501(R) (2016); T. Zanon-Willette et al., Phys. Rev. A 93, 042506 (2016)] derives from its much greater efficiency and robustness in the presence of decoherence.

arXiv:1602.00331•Physical Review A•Nov 7, 2016•23 citations

Resonance shifts in multiple quantum transitions

J.A. Hermann, S. Swain

Physics Letters A•Feb 1, 1976•3 citations

Combined error signal in Ramsey spectroscopy of clock transitions

V I Yudin, A V Taichenachev, M. Yu. Basalaev +7 more

We have developed a universal method to form the reference signal for the stabilization of arbitrary atomic clocks based on Ramsey spectroscopy. Our approach uses an interrogation scheme of the atomic system with two different Ramsey periods and a specially constructed combined error signal (CES) computed by subtracting two error signals with the appropriate calibration factor. CES spectroscopy allows for perfect elimination of probe-induced light shifts and does not suffer from the effects of relaxation, time-dependent pulse fluctuations and phase-jump modulation errors and other imperfections of the interrogation procedure. The method is simpler than recently developed auto-balanced Ramsey spectroscopy techniques (Sanner et al 2018 Phys. Rev. Lett. 120 053602; Yudin et al 2018 Phys. Rev. Appl. 9 054034), because it uses a single error signal that feeds back on the clock frequency. The use of CES is a general technique that can be applied to many applications of precision spectroscopy.

arXiv:1807.10158•New Journal of Physics•Nov 28, 2018•25 citations
We develop a universal method to significantly suppress probe-induced shifts in any type of atomic clock using Ramsey spectroscopy. Our approach is based on the adaptation of the synthetic frequency concept [V. I. Yudin et al., Phys. Rev. Lett. 107, 030801 (2011)] (previously developed for blackbody radiation shift suppression) to Ramsey spectroscopy with the use of interrogations with different dark time intervals. The most significant suppression of the shift is obtained in combination with the so-called hyper-Ramsey spectroscopy technique [V. I. Yudin et al., Phys. Rev. A 82, 011804(R) (2010)]. In this case, the probe-induced frequency shifts can be suppressed considerably from metrologically significant levels to below a fractional level of ${10}^{\ensuremath{-}18}$ for practically any optical atomic clocks. The main advantage of our method in comparison with other hyper-Ramsey approaches [R. Hobson et al., Phys. Rev. A 93, 010501(R) (2016); T. Zanon-Willette et al., Phys. Rev. A 93, 042506 (2016)] derives from its much greater efficiency and robustness in the presence of decoherence.
We have developed a universal method to form the reference signal for the stabilization of arbitrary atomic clocks based on Ramsey spectroscopy. Our approach uses an interrogation scheme of the atomic system with two different Ramsey periods and a specially constructed combined error signal (CES) computed by subtracting two error signals with the appropriate calibration factor. CES spectroscopy allows for perfect elimination of probe-induced light shifts and does not suffer from the effects of relaxation, time-dependent pulse fluctuations and phase-jump modulation errors and other imperfections of the interrogation procedure. The method is simpler than recently developed auto-balanced Ramsey spectroscopy techniques (Sanner et al 2018 Phys. Rev. Lett. 120 053602; Yudin et al 2018 Phys. Rev. Appl. 9 054034), because it uses a single error signal that feeds back on the clock frequency. The use of CES is a general technique that can be applied to many applications of precision spectroscopy.