Precision tests of the Sagnac effect with a two-axis atomic gyroscope

Leonid A. Sidorenkov; Romain Gauthier; Mohamed Guessoum; Quentin Bouton; Arnaud Landragin; Remi Geiger

doi:10.1117/12.3008991

8 March 2024 Precision tests of the Sagnac effect with a two-axis atomic gyroscope

Leonid A. Sidorenkov, Romain Gauthier, Mohamed Guessoum, Quentin Bouton, Arnaud Landragin, Remi Geiger

Proceedings Volume 12895, Quantum Sensing and Nano Electronics and Photonics XX; 128950N (2024) https://doi.org/10.1117/12.3008991
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

The Sagnac effect, manifest in the phase shift of a rotating interferometer proportional to its physical area and to the rotation rate of the frame, plays a crucial role in modern physics being generalized to any kind of interferometer. However, as compared to light, the accurate experimental validation of the Sagnac effect for matter-waves remains challenging. We report the accurate measurement of the Sagnac phase shift, induced by the Earth’s rotation, using a large-area cold atom interferometer. We probe the atomic Sagnac phase shift along the two orthogonal horizontal axes in various orientation of the sensor with respect to geographic north and obtain an agreement with the theoretical prediction at the 20 ppm level, improving by twenty five-fold over the previous achievements for matter waves. Our results underline the universality of the Sagnac effect and open new horizons for testing other fundamental theories, as well as for a number of technological applications in seismology, geodesy and inertial navigation systems.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Leonid A. Sidorenkov, Romain Gauthier, Mohamed Guessoum, Quentin Bouton, Arnaud Landragin, and Remi Geiger "Precision tests of the Sagnac effect with a two-axis atomic gyroscope", Proc. SPIE 12895, Quantum Sensing and Nano Electronics and Photonics XX, 128950N (8 March 2024); https://doi.org/10.1117/12.3008991

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