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Offset Laser Frequency Stabilization Using Modulation Transfer Spectroscopy.

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Title: Offset Laser Frequency Stabilization Using Modulation Transfer Spectroscopy.
Authors: Osipenko, G. V.1 (AUTHOR) osipenko.9494@mail.ru, Aleynikov, M. S.1 (AUTHOR), Sukhoverskaya, A. G.1 (AUTHOR)
Source: Measurement Techniques. Apr2023, Vol. 66 Issue 1, p1-5. 5p.
Subjects: Modulation spectroscopy, Fiber lasers, Lasers, Atomic transitions, Circular polarization, Electrooptics
Abstract: The paper examines a key part of the laser system used in cold atomic gravimeters. The optical system of an atomic gravimeter requires the stabilization of laser frequency offset from the atomic transition. In this connection, the authors propose an offset frequency stabilization method for a frequency-doubled fiber laser. The developed method is based on modulation transfer spectroscopy and the use of a broadband electro-optic modulator. An experimental setup for implementing the proposed method is described. In the study, error signals were obtained, enabling the offset frequency stabilization of a frequency-doubled fiber laser. In order to achieve the maximum amplitude of the error signal, the following parameters of the experimental setup were optimized: cell temperature, the intensity of the probe and saturation beams, as well as the amplitudes of signals fed to the electro-optic modulators. In addition, the effect of radiation polarization on the signal amplitude was examined. Circular polarization is shown to produce an error signal having a higher amplitude. The obtained results can be used in the development of a quantum gravimeter, quantum frequency standards, as well as in experiments involving laser cooling of atoms. [ABSTRACT FROM AUTHOR]
Copyright of Measurement Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="DE" term="%22Modulation+spectroscopy%22">Modulation spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Fiber+lasers%22">Fiber lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Lasers%22">Lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+transitions%22">Atomic transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Circular+polarization%22">Circular polarization</searchLink><br /><searchLink fieldCode="DE" term="%22Electrooptics%22">Electrooptics</searchLink>
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  Data: The paper examines a key part of the laser system used in cold atomic gravimeters. The optical system of an atomic gravimeter requires the stabilization of laser frequency offset from the atomic transition. In this connection, the authors propose an offset frequency stabilization method for a frequency-doubled fiber laser. The developed method is based on modulation transfer spectroscopy and the use of a broadband electro-optic modulator. An experimental setup for implementing the proposed method is described. In the study, error signals were obtained, enabling the offset frequency stabilization of a frequency-doubled fiber laser. In order to achieve the maximum amplitude of the error signal, the following parameters of the experimental setup were optimized: cell temperature, the intensity of the probe and saturation beams, as well as the amplitudes of signals fed to the electro-optic modulators. In addition, the effect of radiation polarization on the signal amplitude was examined. Circular polarization is shown to produce an error signal having a higher amplitude. The obtained results can be used in the development of a quantum gravimeter, quantum frequency standards, as well as in experiments involving laser cooling of atoms. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Measurement Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11018-023-02182-0
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        Text: English
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      – SubjectFull: Fiber lasers
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      – SubjectFull: Lasers
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      – SubjectFull: Atomic transitions
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      – SubjectFull: Circular polarization
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      – SubjectFull: Electrooptics
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      – TitleFull: Offset Laser Frequency Stabilization Using Modulation Transfer Spectroscopy.
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              Text: Apr2023
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