A monolithic chip-scale ring laser gyroscope based on both Brillouin and Sagnac effects provides a sensitivity sufficient to measure sinusoidal rotations with an amplitude as small as 5 degrees per hour, thus enabling the first on-chip Earth rotation measurement.
References
Foucault, L. C. R. Hebd. Séances Acad. Sci. Paris 32, 135–138 (1851).
Sagnac, G. C. R. Hebd. Séances Acad. Sci. Paris 95, 708–710 (1913).
Michelson, A. A. & Gale, H. G. J. Astrophys. 61, 401 (1925).
Macek, W. M. & Davis, D. T. M. Jr Appl. Phys. Lett. 2, 67–68 (1963).
Lefevre, H. C. The Fiber-Optic Gyroscope 2nd edn (Artech House, 2014).
Ciminelli, C., Dell’Olio, F., Campanella, C. E. & Armenise, M. N. Adv. Opt. Photon. 2, 370–404 (2010).
Yang, K. Y. et al. Nat. Photon. 12, 297–302 (2018).
Li, J., Suh, M.-G. & Vahala, K. Optica 4, 346–348 (2017).
Liang, W. et al. Optica 4, 114–117 (2017).
Lai, Y.-H. et al. Nat. Photon. https://doi.org/10.1038/s41566-020-0588-y (2020).
Zarinetchi, F., Smith, S. P. & Ezekiel, S. Opt. Lett. 16, 229–231 (1991).
Matsko, A. B., Liang, W., Savchenkov, A. A., Ilchenko, V. S. & Maleki, L. Phys. Lett. A 382, 2289–2295 (2018).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Sylvestre, T. On-chip Earth spin detection. Nat. Photonics 14, 341–343 (2020). https://doi.org/10.1038/s41566-020-0626-9
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41566-020-0626-9
- Springer Nature Limited