Realization of population inversion between 7S1/2 and 6P3/2 levels of cesium for four-level active optical clock

An optical lattice clock

Masao Takamoto, Feng-Lei Hong, Ryoichi Higashi et al. · Nature · 2005 · 831 citations

Natural Sciences, Physics, Optics +7

Optical Clocks and Relativity

C. W. Chou, David Hume, T. Rosenband et al. · Science · 2010 · 802 citations

Natural Sciences, Geophysics, Physics +16

A sub-40-mHz-linewidth laser based on a silicon single-crystal optical cavity

Ch. Hagemann, Christian Grebing, Thomas Legero et al. · Nature Photonics · 2012 · 749 citations · Full text

Engineering, Electrical Engineering, Optics +13

Visible Lasers with Subhertz Linewidths

B.C. Young, Flávio C. Cruz, Wayne M. Itano et al. · Physical Review Letters · 1999 · 594 citations · Full text

Natural Sciences, Electrical Engineering, Physics +17

Thermal-Noise Limit in the Frequency Stabilization of Lasers with Rigid Cavities

Kenji Numata, Amy Kemery, Jordan Camp · Physical Review Letters · 2004 · 544 citations

Natural Sciences, Mechanical Engineering, Physics +16