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List of works by Filippo Levi

A VLBI experiment using a remote atomic clock via a coherent fibre link

scientific article published on February 2017

A coherent fiber link for very long baseline interferometry.

scientific article published in November 2015

A strontium optical lattice clock apparatus for precise frequency metrology and beyond

scientific article published in July 2017

Active disturbance rejection control of temperature for ultrastable optical cavities.

scientific article published on February 2013

Cesium microwave emission without population inversion

scientific article

Comb-assisted cavity ring-down spectroscopy of a buffer-gas-cooled molecular beam

scientific article

Cryogenic fountain development at NIST and INRIM: preliminary characterization

scientific article

Development of compact lattice optical clocks towards future space clocks

Direct Observation of Coherent Interorbital Spin-Exchange Dynamics ⬇️

scientific article published in Physical Review Letters

Doppler-stabilized fiber link with 6  dB noise improvement below the classical limit. ⬇️

scientific article published on January 2015

Efficient frequency doubling at 399 nm. ⬇️

scientific article

Electronics for the pulsed rubidium clock: design and characterization

scientific article published on 01 September 2007

Enhanced temperature sensitivity in vapor-cell frequency standards

scientific article published on 01 December 2012

Erratum to: High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link

scholarly article

Erratum: Direct Observation of Coherent Interorbital Spin-Exchange Dynamics [Phys. Rev. Lett.113, 120402 (2014)]

scholarly article published in Physical Review Letters

Frequency comparison between Cs and Mg standards and stability of fundamental constants

Frequency transfer via a two-way optical phase comparison on a multiplexed fiber network

scientific article published on March 2014

High-accuracy coherent optical frequency transfer over a doubled 642-km fiber link ⬇️

High-accuracy measurement of the blackbody radiation frequency shift of the ground-state hyperfine transition in 133Cs

scientific article

IEN-CsF1 accuracy evaluation and two-way frequency comparison.

scientific article published in October 2004

In-field Raman amplification on coherent optical fiber links for frequency metrology

scientific article published on April 2015

Kr-based buffer gas for Rb vapor-cell clocks

scientific article published on 23 September 2020

LIFT-the Italian link for time and frequency

article

Large-area fiber-optic gyroscope on a multiplexed fiber network.

scientific article

Loaded microwave cavity for compact vapor-cell clocks

scientific article published on 23 July 2020

Low-noise electronic design for the 87Rb coherent population trapping maser.

scientific article published in November 2005

Matter wave explorer of gravity (MWXG)

Measuring absolute frequencies beyond the GPS limit via long-haul optical frequency dissemination ⬇️

scientific article published on May 2016

Measuring molecular frequencies in the 1-10 μm range at 11-digits accuracy.

scientific article published on 6 October 2017

Medium-long term frequency stability of pulsed vapor cell clocks

scientific article published on 01 July 2010

Microwave cavities for vapor cell frequency standards.

scientific article

Microwave leakage-induced frequency shifts in the primary frequency standards NIST-F1 and IEN-CSF1

scientific article published on 01 December 2006

Multiple wavelength stabilization on a single optical cavity using the offset sideband locking technique.

scientific article

Optical frequency fiber dissemination at 10 −19 uncertainty level in Italy

article

Optical frequency link between Torino and Firenze for remote comparison between Yb and Sr optical clocks

Optical-to-microwave frequency comparison with fractional uncertainty of 10-15

Planar-waveguide external cavity laser stabilization for an optical link with 10(-19) frequency stability

scientific article published on 01 December 2011

Power dependence of the frequency bias caused by spurious components in the microwave spectrum in atomic fountains

scientific article published on 01 September 2006

Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance

scientific article published in Physical Review Letters

Pulsed optically pumped rubidium clock with high frequency-stability performance.

scientific article

Realization of an ultrastable 578-nm laser for an Yb lattice clock

scientific article

Reduction of the cold collisions frequency shift in a multiple velocity fountain: a new proposal

scientific article published on 01 May 2001

Single-Atom Optical Clock with High Accuracy

scientific article

Synthetic Dimensions and Spin-Orbit Coupling with an Optical Clock Transition ⬇️

scientific article published on 23 November 2016

The light shift effect in the coherent population trapping cesium maser

scientific article

The pulsed rubidium clock

scientific article published on 01 March 2006

The space optical clocks project: Development of high-performance transportable and breadboard optical clocks and advanced subsystems

article

Ultrastable laser interferometry for earthquake detection with terrestrial and submarine cables

scientific article

Yellow laser performance of Dy³⁺ in co-doped Dy,Tb:LiLuF₄. ⬇️

scientific article published on December 2014

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