Comparing Optical Oscillators across the Air to Milliradians in Phase and 10−17 in Frequency

Optical clock networks

(2017) Fritz Riehle   Nature Photonics

1.5  μm Lasers with Sub-10 mHz Linewidth

(2017) D. G. Matei et al.   PHYSICAL REVIEW LETTERS

Test of Special Relativity Using a Fiber Network of Optical Clocks

(2017) P. Delva et al.   PHYSICAL REVIEW LETTERS

Synchronization of clocks through 12 km of strongly turbulent air over a city

(2016) Laura C. Sinclair et al.   APPLIED PHYSICS LETTERS

Ultrastable optical clock with two cold-atom ensembles

(2016) M. Schioppo et al.   Nature Photonics

Geopotential measurements with synchronously linked optical lattice clocks

(2016) Tetsushi Takano et al.   Nature Photonics

A clock network for geodesy and fundamental science

(2016) C. Lisdat et al.   Nature Communications

Synchronization of Distant Optical Clocks at the Femtosecond Level

(2016) Jean-Daniel Deschênes et al.   Physical Review X

Attosecond precision multi-kilometer laser-microwave network

(2016) Ming Xin et al.   Light-Science & Applications

Tight real-time synchronization of a microwave clock to an optical clock across a turbulent air path

(2016) Hugo Bergeron et al.   Optica

Ultra-stable clock laser system development towards space applications

(2016) Dariusz Świerad et al.   Scientific Reports

Quantum tests of the Einstein Equivalence Principle with the STE–QUEST space mission

(2015) Brett Altschul et al.   ADVANCES IN SPACE RESEARCH

Some fundamental physics experiments using atomic clocks and sensors

(2015) Christine Guerlin et al.   COMPTES RENDUS PHYSIQUE

Frequency ratios of Sr, Yb, and Hg based optical lattice clocks and their applications

(2015) Masao Takamoto et al.   COMPTES RENDUS PHYSIQUE

Time and frequency comparisons using radiofrequency signals from satellites

(2015) Andreas Bauch   COMPTES RENDUS PHYSIQUE

The ACES/PHARAO space mission

(2015) Philippe Laurent et al.   COMPTES RENDUS PHYSIQUE

Comparing a GPS time link calibration with an optical fibre self-calibration with 200 ps accuracy

(2015) Z Jiang et al.   METROLOGIA

Cryogenic optical lattice clocks

(2015) Ichiro Ushijima et al.   Nature Photonics

Optical atomic clocks

(2015) Andrew D. Ludlow et al.   REVIEWS OF MODERN PHYSICS

Carrier-phase two-way satellite frequency transfer over a very long baseline

(2014) M Fujieda et al.   METROLOGIA

Time transfer by laser link (T2L2): characterization and calibration of the flight instrument

(2014) E Samain et al.   METROLOGIA

Hunting for topological dark matter with atomic clocks

(2014) A. Derevianko et al.   Nature Physics

Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network

(2014) C. E. Calosso et al.   OPTICS LETTERS

Optical phase noise from atmospheric fluctuations and its impact on optical time-frequency transfer

(2014) L. C. Sinclair et al.   PHYSICAL REVIEW A

Two-way optical frequency comparisons at5×10−21relative stability over 100-km telecommunication network fibers

(2014) Anthony Bercy et al.   PHYSICAL REVIEW A

A compact, robust, and transportable ultra-stable laser with a fractional frequency instability of 1 × 10−15

(2014) Qun-Feng Chen et al.   REVIEW OF SCIENTIFIC INSTRUMENTS

Carrier-phase TWSTFT experiments using the ETS-VIII satellite

(2013) F Nakagawa et al.   METROLOGIA

Optical two-way time and frequency transfer over free space

(2013) Fabrizio R. Giorgetta et al.   Nature Photonics

Optical-Frequency Transfer over a Single-Span 1840 km Fiber Link

(2013) S. Droste et al.   PHYSICAL REVIEW LETTERS

Geophysical applicability of atomic clocks: direct continental geoid mapping

(2012) Ruxandra Bondarescu et al.   GEOPHYSICAL JOURNAL INTERNATIONAL

Demonstration of a transportable 1 Hz-linewidth laser

(2011) S. Vogt et al.   APPLIED PHYSICS B-LASERS AND OPTICS

Frequency comparison of optical lattice clocks beyond the Dick limit

(2011) Masao Takamoto et al.   Nature Photonics

Field-test of a robust, portable, frequency-stable laser

(2011) David R. Leibrandt et al.   OPTICS EXPRESS

When should we change the definition of the second?

(2011) P. Gill   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

Quantum Coherence between Two Atoms beyondQ=1015

(2011) C. W. Chou et al.   PHYSICAL REVIEW LETTERS

Coherent optical link through the turbulent atmosphere

(2010) Khelifa Djerroud et al.   OPTICS LETTERS

Optical Clocks and Relativity

(2010) C. W. Chou et al.   SCIENCE

Quantum physics exploring gravity in the outer solar system: the SAGAS project

(2008) P. Wolf et al.   EXPERIMENTAL ASTRONOMY