FL
Filippo Levi
physics.atom-phphysics.opticsquant-phphysics.ins-detcond-mat.quant-gasphysics.geo-phTime Factorsastro-ph.IMAstrophysicsCosmic rays
On Valency
published · living versionsW_m8dyztp2·v1 · currentpublished
Optical clock network tracks tidal variations of the gravity potential
with Kilian Stahl, Ingo Nosske, Chetan Vishwakarma, Tim Lücke +39
1 version
Preprints & journals
72 papers in the corpus · 1959–2026Spectral evolution of two-photon emission in microresonators2608.04684v1 · Francesca Fama, Stefano Dello Russo, Stefano Giaccari et al.2026 · 0 citationsarXiv
International Optical Clock Comparison Using the European Optical Fiber Network2604.27963v2 · Marco Pizzocaro, Clara Zyskind, Anne Amy-Klein et al.2026 · 1 citationPhys. Rev. Research 8, 033250 (2026)
A High-frequency Geodetic VLBI Experiment for Optical Clock Comparison2603.23078v1 · Monia Negusini, Myoung-Sun Heo, Cecilia Clivati et al.2026 · 1 citationPASP 138 024504 (2026)
Coordinated international comparisons between optical clocks connected via fiber and satellite links2505.06763v1 · Thomas Lindvall, Marco Pizzocaro, Rachel M. Godun et al.2025 · 17 citationsOptica 12, 843 (2025)
QKD protected fiber-based infrastructure for time dissemination.40251323 · Meda, Alice, Mura, Alberto, Virzì, Salvatore et al.2025 · 4 citationsScientific reports. 2025;15(1):13419
Optical-Comb-Based Frequency Stability Transfer Across the Spectrum With a Multichannel FPGA.40031071 · Savio, Paolo, Goti, Irene, Pizzocaro, Marco et al.2025 · 2 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2025;72(3):397-406
Laser Frequency Stabilization Using Light Shift in Compact Atomic Clocks2404.14105v1 · Claudio E. Calosso, Michele Gozzelino, Filippo Levi et al.2024 · 3 citationsarXiv
Phase Noise in Real-World Twin-Field Quantum Key Distribution2310.08621v3 · Gianluca Bertaina, Cecilia Clivati, Simone Donadello et al.2023 · 14 citationsAdv. Quantum Technol. 2400032 (2024)
Realization of a pulsed optically pumped Rb clock with a frequency stability below [Formula: see text].37563339 · Gozzelino, Michele, Micalizio, Salvatore, Calosso, Claudio E et al.2023 · 22 citationsScientific reports. 2023;13(1):12974
Roadmap towards the redefinition of the second2307.14141v1 · N. Dimarcq, M. Gertsvolf, G. Mileti et al.2023 · 143 citationsMetrologia 61 012001 (2024)
Seismic monitoring using the telecom fiber network2307.06203v2 · Simone Donadello, Cecilia Clivati, Aladino Govoni et al.2023 · 32 citationsCommunications Earth & Environment 5, 178 (2024)
Broadband serrodyne phase modulation for optical frequency standards and spectral purity transfer.37221809 · Barbiero, M, Salvatierra, J P, Risaro, M et al.2023 · 9 citationsOptics letters. 2023;48(7):1958-1961
Absolute frequency measurement of a Yb optical clock at the limit of the Cs fountain2212.14242v1 · Irene Goti, Stefano Condio, Cecilia Clivati et al.2022 · 15 citationsarXiv
Improving the resolution of comb-based frequency measurements using a track and hold amplifier2205.14150v1 · Matias Risaro, Paolo Savio, Marco Pizzocaro et al.2022 · 6 citationsarXiv
Frequency noise characterization of diode lasers for vapor cell clocks applications2202.11972v2 · Gaspare Antona, Michele Gozzelino, Salvatore Micalizio et al.2022 · 0 citationsarXiv
Author Correction: Coherent phase transfer for real-world twin-field quantum key distribution.35121744 · Clivati, Cecilia, Meda, Alice, Donadello, Simone et al.2022 · 0 citationsNature communications. 2022;13(1):802
Coherent phase transfer for real-world twin-field quantum key distribution.35013290 · Clivati, Cecilia, Meda, Alice, Donadello, Simone et al.2026 · 134 citationsNature communications. 2022;13(1):157
Optically loaded Strontium lattice clock with a single multi-wavelength reference cavity2111.10161v3 · Matteo Barbiero, Davide Calonico, Filippo Levi et al.2021 · 15 citationsIEEE Transactions on Instrumentation and Measurement, vol. 71, pp. 1-9, 2022, Art no. 1501509
Kr-Based Buffer Gas for Rb Vapor-Cell Clocks.32966216 · Gozzelino, Michele, Micalizio, Salvatore, Calosso, Claudio Eligio et al.2021 · 12 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2021;68(4):1442-1447
Loaded Microwave Cavity for Compact Vapor-Cell Clocks.32746219 · Gozzelino, Michele, Micalizio, Salvatore, Calosso, Claudio Eligio et al.2021 · 9 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2021;68(3):872-879
Extensive cosmic showers detection: the importance of timing and the role of GPS in the EEE experiment.34276180 · Cerretto, Giancarlo, Calonico, Davide, Cantoni, Elena et al.2021 · 3 citationsGPS solutions. 2021;25(4):125
Tunable UV spectrometer for Doppler broadening thermometry of mercury.32630932 · Clivati, Cecilia, Gravina, Stefania, Castrillo, Antonio et al.2020 · 9 citationsOptics letters. 2020;45(13):3693-3696
Intensity Detection Noise in Pulsed Vapor-Cell Frequency Standards.31804932 · Calosso, Claudio Eligio, Gozzelino, Michele, Godone, Aldo et al.2020 · 17 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2020;67(5):1074-1079
Reducing Cavity-Pulling Shift in Ramsey-Operated Compact Clocks.29993382 · Gozzelino, Michele, Micalizio, Salvatore, Levi, Filippo et al.2019 · 12 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2018;65(7):1294-1301
Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables.29903881 · Marra, Giuseppe, Clivati, Cecilia, Luckett, Richard et al.2018 · 408 citationsScience (New York, N.Y.). 2018;361(6401):486-490
Seismology with optical links: enabling a global network for submarine earthquake monitoring1801.02698v1 · Giuseppe Marra, Cecilia Clivati, Luckett Richard et al.2017 · 0 citationsarXiv
Measuring molecular frequencies in the 1-10 μm range at 11-digits accuracy.28986590 · Insero, G, Borri, S, Calonico, D et al.2019 · 34 citationsScientific reports. 2017;7(1):12780
Multiple wavelength stabilization on a single optical cavity using the offset sideband locking technique.28504726 · Milani, Gianmaria, Rauf, Benjamin, Barbieri, Piero et al.2018 · 26 citationsOptics letters. 2017;42(10):1970-1973
Geodesy and metrology with a transportable optical clock1705.04089v1 · Jacopo Grotti, Silvio Koller, Stefan Vogt et al.2017 · 496 citationsarXiv
Measuring molecular frequencies in the 1--10 {\mu}m range at 11-digits accuracy1703.10975v2 · G. Insero, S. Borri, D. Calonico et al.2017 · 0 citationsarXiv
A VLBI experiment using a remote atomic clock via a coherent fibre link.28145451 · Clivati, Cecilia, Ambrosini, Roberto, Artz, Thomas et al.2018 · 123 citationsScientific reports. 2017;7:40992
Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition.27925719 · Livi, L F, Cappellini, G, Diem, M et al.2018 · 288 citationsPhysical review letters. 2016;117(22):220401
Absolute frequency measurement of the 1S0 - 3P0 transition of 171Yb1609.01610v2 · Marco Pizzocaro, Pierre Thoumany, Benjamin Rauf et al.2016 · 60 citationsMetrologia 54 (2017) 102-112
Comb-assisted cavity ring-down spectroscopy of a buffer-gas-cooled molecular beam.27273337 · Santamaria, Luigi, Sarno, Valentina Di, Natale, Paolo De et al.2018 · 34 citationsPhysical chemistry chemical physics : PCCP. 2016;18(25):16715-20
Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination1511.08485v1 · C. Clivati, G. Cappellini, L. Livi et al.2015 · 39 citationsarXiv
A coherent fiber link for very long baseline interferometry.26559621 · Clivati, Cecilia, Costanzo, Giovanni A, Frittelli, Matteo et al.2016 · 37 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2015;62(11):1907-12
In-field Raman amplification on coherent optical fiber links for frequency metrology.25969100 · Clivati, C, Bolognini, G, Calonico, D et al.2015 · 8 citationsOptics express. 2015;23(8):10604-15
Doppler-stabilized fiber link with 6 dB noise improvement below the classical limit.25679826 · Calosso, C E, Bertacco, E K, Calonico, D et al.2015 · 24 citationsOptics letters. 2015;40(2):131-4
Yellow laser performance of Dy³⁺ in co-doped Dy,Tb:LiLuF₄.25490638 · Bolognesi, Giacomo, Parisi, Daniela, Calonico, Davide et al.2015 · 132 citationsOptics letters. 2014;39(23):6628-31
Direct observation of coherent interorbital spin-exchange dynamics.25279608 · Cappellini, G, Mancini, M, Pagano, G et al.2015 · 178 citationsPhysical review letters. 2014;113(12):120402
Efficient frequency doubling at 399 nm.24922412 · Pizzocaro, Marco, Calonico, Davide, Pastor, Pablo Cancio et al.2015 · 35 citationsApplied optics. 2014;53(16):3388-92
Coherent optical frequency transfer at 5e-19 over a doubled 642 km fiber link1404.0395v2 · D. Calonico, E. K. Bertacco, C. E. Calosso et al.2014 · 169 citationsAppl. Phys. B, Vol. 117, no. 3, pp. 979-986, Nov. 2014
High-accuracy measurement of the blackbody radiation frequency shift of the ground-state hyperfine transition in 133Cs.24580583 · Jefferts, S R, Heavner, T P, Parker, T E et al.2014 · 36 citationsPhysical review letters. 2014;112(5):050801
Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network1308.2377v3 · Claudio Calosso, Elio K. Bertacco, Davide Calonico et al.2013 · 90 citationsOpt. Lett. 39, p. 1177-1180 (2013)
Large-area fiber-optic gyroscope on a multiplexed fiber network.23546254 · Clivati, C, Calonico, D, Costanzo, G A et al.2013 · 46 citationsOptics letters. 2013;38(7):1092-4
Active disturbance rejection control of temperature for ultrastable optical cavities.23357901 · Pizzocaro, Marco, Calonico, Davide, Calosso, Claudio et al.2013 · 20 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2013;60(2):273-80
Enhanced temperature sensitivity in vapor-cell frequency standards.23221213 · Calosso, Claudio E, Godone, Aldo, Levi, Filippo et al.2013 · 42 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2012;59(12):2646-54
Distributed Raman optical amplification in phase coherent transfer of optical frequencies1211.3910v1 · Cecilia Clivati, Gabriele Bolognini, Davide Calonico et al.2012 · 24 citationsIEEE Photon. Techn. Lett. 25, p. 1711-1714 (2013)
The Space Optical Clocks Project: Development of high-performance transportable and breadboard optical clocks and advanced subsystems1206.3765v1 · S. Schiller, A. Gorlitz, A. Nevsky et al.2012 · 40 citationsarXiv
Realization of an ultrastable 578-nm laser for an Yb lattice clock.22481775 · Pizzocaro, Marco, Costanzo, Giovanni, Godone, Aldo et al.2012 · 35 citationsIEEE transactions on ultrasonics, ferroelectrics, and frequency control. 2012;59(3):426-31
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