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Quantum Simulation
Probing beyond the laser coherence time in optical clock comparisons
arXiv
Authors: David B. Hume, David R. Leibrandt
Year
2015
Paper ID
27694
Status
Preprint
Abstract Read
~2 min
Abstract Words
84
Citations
N/A
Abstract
We develop differential measurement protocols that circumvent the laser noise limit in the stability of optical clock comparisons by synchronous probing of two clocks using phase-locked local oscillators. This allows for probe times longer than the laser coherence time, avoids the Dick effect, and supports Heisenberg-limited measurement precision. We present protocols for such frequency comparisons and develop numerical simulations of the protocols with realistic noise sources. These methods provide a route to reduce frequency ratio measurement durations by more than an order of magnitude.
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- We develop differential measurement protocols that circumvent the laser noise limit in the stability of optical clock comparisons by synchronous probing of two clocks using...
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