activity
20022025
most citedA sub-40 mHz linewidth laser based on a silicon single-crystal optical cavity

763 citations · 2.5k across the 24 of their papers we have counts for

collaborators

25 papers

physics.ins-det2025

The QTF-Backbone: Proposal for a Nationwide Optical Fibre Backbone in Germany for Quantum Technology and Time and Frequency Metrology

Tara Cubel Liebisch, Peter Kaufmann, Harald Schnatz +166

The recent breakthroughs in the distribution of quantum information and high-precision time and frequency (T&F) signals over long-haul optical fibre networks have transformative po…

physics.optics2022★ 1 cited

Frequency stability of cryogenic silicon cavities with semiconductor crystalline coatings

Dhruv Kedar, Jialiang Yu, Eric Oelker +7

State-of-the-art optical oscillators employing cryogenic reference cavities are limited in performance by the Brownian thermal noise associated with the mechanical dissipation of t…

physics.optics2022★ 38 cited

Excess noise and photo-induced effects in highly reflective crystalline mirror coatings

Jialiang Yu, Dhruv Kedar, Sebastian Häfner +9

Thermodynamically induced length fluctuations of high-reflectivity mirror coatings put a fundamental limit on sensitivity and stability of precision optical interferometers like gr…

physics.ins-det2020★ 24 cited

Thermal noise and mechanical loss of SiO/TaO optical coatings at cryogenic temperatures

John M Robinson, Eric Oelker, William R Milner +8

Mechanical loss of dielectric mirror coatings sets fundamental limits for both gravitational wave detectors and cavity-stabilized optical local oscillators for atomic clocks. Two a…

physics.atom-ph2019★ 82 cited

Demonstration of a time scale based on a stable optical carrier

William R. Milner, John M. Robinson, Colin J. Kennedy +13

We demonstrate a time scale based on a phase stable optical carrier that accumulates an estimated time error of ps over 34 days of operation. This all-optical time scale…

physics.atom-ph2019★ 474 cited

Optical clock intercomparison with precision in one hour

E. Oelker, R. B. Hutson, C. J. Kennedy +14

Improvements in atom-light coherence are foundational to progress in quantum information science, quantum optics, and precision metrology. Optical atomic clocks require local oscil…