activity
20222026
most citedCoordinated international comparisons between optical clocks connected via fiber and satellite links

18 citations · 37 across the 7 of their papers we have counts for

collaborators

7 papers

physics.optics2026

Laser fractional frequency instability at with a room temperature optical reference cavity

Adam L. Parke, Eve Clulow, Wei Huang +8

Ultrastable lasers play a key role in optical frequency metrology, setting measurement speed and ultimately impacting both stability and accuracy of optical frequency standards. He…

physics.atom-ph2026★ 1 cited

International Optical Clock Comparison Using the European Optical Fiber Network

Marco Pizzocaro, Clara Zyskind, Anne Amy-Klein +41

Optical clocks have achieved remarkable estimated fractional frequency uncertainties reaching the level and below, enabling applications in fundamental physics, general…

astro-ph.IM2026★ 1 cited

A High-frequency Geodetic VLBI Experiment for Optical Clock Comparison

Monia Negusini, Myoung-Sun Heo, Cecilia Clivati +40

An intercontinental metrological clock comparison between Italy and the Republic of Korea was performed by means of geodetic K-band VLBI observations. The comparison involved the h…

physics.atom-ph2025★ 18 cited

Coordinated international comparisons between optical clocks connected via fiber and satellite links

Thomas Lindvall, Marco Pizzocaro, Rachel M. Godun +62

Optical clocks provide ultra-precise frequency references that are vital for international metrology as well as for tests of fundamental physics. To investigate the level of agreem…

physics.optics2025★ 2 cited

Guidelines for designs for ultrastable laser with fractional frequency instability

Joannès Barbarat, Erik Benkler, Marcin Bober +46

Lasers with long coherence time and narrow linewidth are an essential tool for quantum sensors and clocks. Ultrastable cavities and laser systems are now commercially available wit…

physics.atom-ph2022★ 15 cited

Absolute frequency measurement of a Yb optical clock at the limit of the Cs fountain

Irene Goti, Stefano Condio, Cecilia Clivati +6

We present the new absolute frequency measurement of ytterbium (171Yb) obtained at INRiM with the optical lattice clock IT-Yb1 against the cryogenic caesium (133Cs) fountain IT-CsF…

physics.ins-det2022

Improving the resolution of comb-based frequency measurements using a track and hold amplifier

Matias Risaro, Paolo Savio, Marco Pizzocaro +3

The advent of optical frequency standards with ultimate uncertainties in the low 1x10 requires femtosecond frequency combs to support a similar level of resolution in the s…