Abstract
An optical lattice operated at the “magic wavelength” provides a platform for precision metrology of time and frequency, where an atomic ensemble serves as a reference with precisely-controlled quantum states. Such an optical lattice clock allows extremely high accuracy and stability at the level of 10−18. This review outlines the principles and experimental realization of optical lattice clocks, in particular, the demonstration of quantum projection noise limited stability and the reduction of the uncertainty induced by the blackbody radiation. As a future prospect, we discuss the application of optical lattice clocks as a tool for relativistic geodesy.
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This research was supported by the FIRST Program of the Japan Society for the Promotion of Science and by the Photon Frontier Network Program of the Ministry of Education, Culture, Sports, Science and Technology, Japan.
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Takamoto, M., Katori, H. (2016). Optical Lattice Clocks for Precision Time and Frequency Metrology. In: Yamamoto, Y., Semba, K. (eds) Principles and Methods of Quantum Information Technologies. Lecture Notes in Physics, vol 911. Springer, Tokyo. https://doi.org/10.1007/978-4-431-55756-2_5
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