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Two-photon Optical Frequency Reference with Active ac Stark Shift Cancellation (2018)

V. Gerginov and K. Beloy

American Physical Society (APS)

In: Physical Review Applied

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Publication Date: 2018-07-31

Description: Author(s): V. Gerginov and K. Beloy The two-photon optical transition in rubidium offers a means to a simple, stable optical frequency reference. Here accuracy is limited by frequency drift due to fluctuations in light intensity, while stability is limited by the signal-to-noise ratio of detection. In its traditional implementation there is a tradeoff between accuracy and stability, set by the technical ability to control light intensity. This study uses a two-color excitation scheme for cancellation of light-induced frequency drifts, and replaces fluorescence with absorption in detection, allowing significant improvement of the standard’s stability and accuracy. [Phys. Rev. Applied 10, 014031] Published Mon Jul 30, 2018

Electronic ISSN: 2331-7019

Topics: Physics

Published by American Physical Society (APS)

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