2 papers
physics.optics2025
Ultra-stable lasers using hollow-core fibre
Zitong Feng, Giuseppe Marra, Irene Barbeito Edreira +3
Ultra-stable lasers are fundamental to a growing range of applications, including optical frequency metrology, fundamental physics and quantum sensing. Their outstanding performanc…
physics.ins-det2022
Frequency stability and phase noise measurements of a 5,860 km-long intercontinental seafloor optical fibre cable
Giuseppe Marra, Paul Gaynor, Mattia Cantono +8
Optical clock comparison via optical fibre links has been achieved over continental scales, but has not yet been demonstrated intercontinentally. The transfer of ultra-stable optic…