[HTML][HTML] Application of quantum-limited optical time transfer to space-based optical clock comparisons and coherent networks

ED Caldwell, LC Sinclair, JD Deschenes, F Giorgetta… - APL Photonics, 2024 - pubs.aip.org
With the demonstration of quantum-limited optical time transfer capable of tolerating the
losses associated with long ground-to-space links, two future applications of free-space time …

Update on the german and australasian optical ground station networks

NJ Rattenbury, J Ashby, F Bennet, M Birch… - arxiv preprint arxiv …, 2024 - arxiv.org
Networks of ground stations designed to transmit and receive at optical wavelengths through
the atmosphere offer an opportunity to provide on-demand, high-bandwidth, secure …

Atmospheric turbulence characterization with simultaneous measurement of phase, angle of arrival, and intensity in a retroreflected optical link

BP Dix-Matthews, SFE Karpathakis, SW Schediwy - Optics Letters, 2023 - opg.optica.org
Free-space optical transmission through the Earth's atmosphere is applicable to high-speed
data transmission and optical clock comparisons, among other uses. Fluctuations in the …

Free-space optical-frequency comparison over rapidly moving links

SMP McSorley, BP Dix-Matthews, AM Frost… - Physical Review …, 2025 - APS
The comparison of optical reference frequency signals over free-space optical links is limited
by the relative motion between local and remote sites. For ground to low-Earth-orbit …

Free space optical link to a tethered balloon for frequency transfer and chronometric geodesy

N Maron, S Fernandez, FX Esnault, T Lévèque… - Optics …, 2024 - opg.optica.org
We present the results of an optical link to a corner cube on board a tethered balloon at 300
m altitude including a Tip/Tilt compensation for the balloon tracking. Our experiment …

Stabilized free space optical frequency transfer using digitally enhanced heterodyne interferometry

S McSorley, DR Gozzard, SFE Karpathakis… - Optics Letters, 2023 - opg.optica.org
Free-space continuous-wave laser interferometry using folded links has applications in
precision measurement for velocimetry, vibrometry, optical communications, and verification …

Robust free-space optical frequency transfer in time-varying link distances conditions

Z Tong, L Liu, JL Wang, Q Cao, ZC **, K Ying… - Chinese …, 2024 - iopscience.iop.org
Future inter-satellite clock comparison on high orbit will require optical time and frequency
transmission technology between moving objects. Here, we demonstrate robust optical …