A 920-Kilometer Optical Fiber Link for Frequency Metrology at the 19th Decimal Place

Direct Comparison of Distant Optical Lattice Clocks at the $10^{-16}$ Uncertainty

(2011) Atsushi Yamaguchi et al.   Applied Physics Express

High-resolution microwave frequency transfer over an 86-km-long optical fiber network using a mode-locked laser

(2011) Giuseppe Marra et al.   OPTICS LETTERS

Improved Measurement of the Hydrogen1S–2STransition Frequency

(2011) Christian G. Parthey et al.   PHYSICAL REVIEW LETTERS

Brillouin amplification in phase coherent transfer of optical frequencies over 480 km fiber

(2010) O. Terra et al.   OPTICS EXPRESS

Cascaded multiplexed optical link on a telecommunication network for frequency dissemination

(2010) Olivier Lopez et al.   OPTICS EXPRESS

Frequency Comparison of Two High-AccuracyAl+Optical Clocks

(2010) C. Chou et al.   PHYSICAL REVIEW LETTERS

Optical Clocks and Relativity

(2010) C. W. Chou et al.   SCIENCE

Phase-coherent comparison of two optical frequency standards over 146 km using a telecommunication fiber link

(2009) O. Terra et al.   APPLIED PHYSICS B-LASERS AND OPTICS

Optical frequency transfer via 146 km fiber link with 10^−19 relative accuracy

(2009) G. Grosche et al.   OPTICS LETTERS

86-km optical link with a resolution of 2 × 10-18 for RF frequency transfer

(2008) O. Lopez et al.   EUROPEAN PHYSICAL JOURNAL D

Einstein Gravity Explorer–a medium-class fundamental physics mission

(2008) S. Schiller et al.   EXPERIMENTAL ASTRONOMY

On measurement noise in the European TWSTFT network

(2008) D. Piester et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

Long-distance frequency transfer over an urban fiber link using optical phase stabilization

(2008) H. Jiang et al.   JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS

Coherent optical frequency transfer over 50-km physical distance using a 120-km-long installed telecom fiber network

(2008) Mitsuru Musha et al.   OPTICS EXPRESS

Stability of the Proton-to-Electron Mass Ratio

(2008) A. Shelkovnikov et al.   PHYSICAL REVIEW LETTERS

Frequency Ratio of Al+ and Hg+ Single-Ion Optical Clocks; Metrology at the 17th Decimal Place

(2008) T. Rosenband et al.   SCIENCE