167 citations · 971 across the 20 of their papers we have counts for
21 papers
Quantum-enhanced phase interrogation of a fiber-optic strain sensor
Romain Dalidet, Marialuisa Capezzuto, Hugo Degert +7
Fiber-optic sensors enable high-sensitivity measurements of various physical parameters. Here, we demonstrate a quantum-enhanced interrogation of an all-fiber-optic Fabry-Perot res…
Self-mixing-based photoacoustic sensing
Tecla Gabbrielli, Jacopo Pelini, Chenhong Zhang +7
Versatile, ultracompact, easy-to-handle, high-sensitivity sensors are compelling tools for in situ pivotal applications, such as medical diagnostics, security and safety assessment…
Free-space time-bin encoded quantum key distribution from near- to mid-infrared wavelengths
Claudia De Lazzari, Tecla Gabbrielli, Natalia Bruno +9
Quantum technologies play a central role in establishing new ways of quantum-secured communication. We investigate Free-Space Quantum Communication and explore the advantage of imp…
Zeptosecond-scale single-photon gyroscope
Fabrizio Sgobba, Danilo Triggiani, Vincenzo Tamma +4
This paper presents an all-fiber telecom-range optical gyroscope employing a spontaneous parametric down conversion crystal to produce ultra-low intensity thermal light by tracing-…
Mid-Infrared Ring Interband Cascade Laser: Operation at the Standard Quantum Limit
Georg Marschick, Jacopo Pelini, Tecla Gabbrielli +9
Many precision applications in the mid-infrared spectral range have strong constraints based on quantum effects that are expressed in particular noise characteristics. They limit,…
Characterization of noise regimes in Mid-IR free-space optical communication based on quantum cascade lasers
Marco Seminara, Tecla Gabbrielli, Nicola Corrias +6
The recent development of Quantum Cascade Lasers (QCLs) represents one of the biggest opportunities for the deployment of a new class of Free Space Optical (FSO) communication syst…
Intensity correlations in quantum cascade laser harmonic frequency combs
Tecla Gabbrielli, Natalia Bruno, Nicola Corrias +10
A novel study on harmonic frequency combs emitted by Quantum Cascade Lasers (QCLs) is here presented, demonstrating the presence of intensity correlations between twin modes charac…
Doubly resonant photoacoustic spectroscopy: ultra-high sensitivity meets ultra-wide dynamic range
Zhen Wang, Qiang Wang, Hui Zhang +7
Photoacoustic spectroscopy (PAS) based gas sensors with high sensitivity, wide dynamic range, low cost, and small footprint are desirable across a broad range of applications in en…
Deploying an inter-European quantum network
Domenico Ribezzo, Mujtaba Zahidy, Ilaria Vagniluca +19
Around forty years have passed since the first pioneering works have introduced the possibility of using quantum physics to strongly enhance communications safety. Nowadays Quantum…
Analog FM free-space optical communication based on a mid-infrared quantum cascade laser frequency comb
Nicola Corrias, Tecla Gabbrielli, Paolo De Natale +2
Quantum cascade laser frequency combs are nowadays well-appreciated sources for infrared spectroscopy. Here their applicability for free-space optical communication is demonstrated…
Modulation Instability Induced Frequency Comb Generation in a Continuously Pumped Optical Parametric Oscillator
S. Mosca, M. Parisi, I. Ricciardi +7
Continuously pumped passive nonlinear cavities can be harnessed for the creation of novel optical frequency combs. While most research has focused on third-order "Kerr" nonlinear i…
Measuring molecular frequencies in the 1--10 μm range at 11-digits accuracy
G. Insero, S. Borri, D. Calonico +7
Mid infrared (MIR) photonics is a key region for molecular physics [1]. High-resolution spectroscopy in the 1--10 μm region, though, has never been fully tackled for the lack of wi…
Fundamental thermal noise in droplet microresonators
Antonio Giorgini, Saverio Avino, Pietro Malara +2
Liquid droplet whispering-gallery-mode microresonators open a new research frontier for optomechanics and photonic devices. At visible wavelengths, where most liquids are transpare…
Direct generation of optical frequency combs in nonlinear cavities
S. Mosca, I. Ricciardi, M. Parisi +4
Quadratic nonlinear processes are currently exploited for frequency comb transfer and extension from the visible and near infrared regions to other spectral ranges where direct com…
Sub-kHz linewidth narrowing of a mid-infrared OPO idler frequency by direct cavity stabilization
I. Ricciardi, S. Mosca, M. Parisi +4
We stabilize the idler frequency of a singly-resonant optical parametric oscillator directly to the resonance of a mid-infrared Fabry-Pérot reference cavity. This is accomplished b…
Low-temperature spectroscopy of the CH () band in a helium buffer gas
L. Santamaria, V. Di Sarno, I. Ricciardi +5
Buffer gas cooling with a He gas is used to perform laser-absorption spectroscopy of the CH () band at cryogenic temperatures. Doppler thermometry is fi…
Frequency comb generation in quadratic nonlinear media
Iolanda Ricciardi, Simona Mosca, Maria Parisi +4
We experimentally demonstrate and theoretically explain the onset of optical frequency combs in a simple cavity-enhanced second-harmonic-generation system, exploiting second-order…
Enhanced sensing with quasi-degenerate mode in fiber Bragg gratings ring cavities
C. E. Campanella, A. Giorgini, S. Avino +4
In this paper, we report the model and the experimental demonstration of a new optical resonator formed by inserting a Fiber Bragg Grating (FBG) in a closed fiber loop. The spectra…
Frequency metrology of helium around 1083 nm and determination of the nuclear charge radius
P. Cancio Pastor, L. Consolino, G. Giusfredi +4
We measure the absolute frequency of seven out of the nine allowed transitions between the 2{\it S} and 2{\it P} hyperfine manifolds in a metastable He beam by using an…
Observing the intrinsic linewidth of a quantum-cascade laser: beyond the Schawlow-Townes limit
S. Bartalini, S. Borri, P. Cancio +6
A comprehensive investigation of the frequency-noise spectral density of a free-running mid-infrared quantum-cascade laser is presented for the first time. It provides direct evide…
Saturated-absorption cavity ring-down spectroscopy
G. Giusfredi, S. Bartalini, S. Borri +4
We report on a novel approach to cavity-ring-down spectroscopy with the sample gas in saturated-absorption regime. This technique allows to decouple and simultaneously retrieve emp…