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Matteo Galli

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Related publications (59)

Proton reconstruction with the CMS-TOTEM Precision Proton Spectrometer

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Federica Legger, Matteo Galli, Sun Hee Kim, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Alexis Kalogeropoulos, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Gabriele Grosso, Valérie Scheurer, Meng Xiao, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Varun Sharma, Jessica Prisciandaro, Joao Varela, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Muhammad Waqas, Anton Petrov, Jian Wang, Yi Zhang, Muhammad Ansar Iqbal, Yong Yang, Xin Sun, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Doubly resonant second-harmonic generation of a vortex beam from a bound state in the continuum

Jean-François Carlin, Romuald Houdré, Nicolas Grandjean, Matteo Galli, Momchil Minkov, Jun Wang, Marco Clementi

Second-harmonic generation in nonlinear materials can be greatly enhanced by realizing doubly resonant cavities with high quality factors. However, fulfilling such doubly resonant condition in photonic crystal (PhC) slab cavities is a long-standing challen ...

2020

Electrically driven source of time-energy entangled photons based on a self-pumped silicon microring resonator

Matteo Galli

Time-energy entangled photon pairs are fundamental resources for quantum communication protocols since they are robust against environmental fluctuations in optical fiber networks. Pair sources based on spontaneous four-wave mixing in silicon microring res ...

OPTICAL SOC AMER2020

Efficient second harmonic generation in a doubly resonant photonic crystal cavity based on a bound state in the continuum

Jean-François Carlin, Romuald Houdré, Nicolas Grandjean, Matteo Galli, Jun Wang

Making use of bound states in the continuum, we present experimental results on efficient second harmonic generation in photonic crystal cavities supporting doubly-resonant modes. The second harmonic emission is a vortex beam with radial polarization and e ...

IEEE2020

Efficient continuous-wave nonlinear frequency conversion in high-Q gallium nitride photonic crystal cavities on silicon

Vincenzo Savona, Jean-François Carlin, Romuald Houdré, Nicolas Grandjean, Matteo Galli, Momchil Minkov, Mohamed Sabry Abdel-Aliem Mohamed

We report on nonlinear frequency conversion from the telecom range via second harmonic generation (SHG) and third harmonic generation (THG) in suspended gallium nitride slab photonic crystal (PhC) cavities on silicon, under continuous-wave resonant excitat ...

2017

Energy correlations of photon pairs generated by a silicon microring resonator probed by Stimulated Four Wave Mixing

Matteo Galli, Christophe Marcel Georges Galland, Davide Grassani

Compact silicon integrated devices, such as micro-ring resonators, have recently been demonstrated as efficient sources of quantum correlated photon pairs. The mass production of integrated devices demands the implementation of fast and reliable techniques ...

Nature Research2016

Integrated Source of Spectrally Filtered Correlated Photons for Large-Scale Quantum Photonic Systems

Matteo Galli, Christophe Marcel Georges Galland, Davide Grassani

We demonstrate the generation of quantum-correlated photon pairs combined with the spectral filtering of the pump field by more than 95 dB on a single silicon chip using electrically tunable ring resonators and passive Bragg reflectors. Moreover, we perfor ...

American Physical Society2014

Genetically designed L3 photonic crystal nanocavities with measured quality factor exceeding one million

Vincenzo Savona, Matteo Galli, Momchil Minkov

We report on the experimental realization of ultra-high quality factor (Q) designs of the L3-type photonic crystal nanocavity. Based on genetic optimization of the positions of few nearby holes, our design drastically improves the performance of the conven ...

American Institute of Physics2014

Gallium nitride L3 photonic crystal cavities with an average quality factor of 16 900 in the near infrared

Vincenzo Savona, Jean-François Carlin, Nicolas Grandjean, Matteo Galli, Raphaël Butté, Noelia Vico Triviño, Momchil Minkov

Photonic crystal point-defect cavities were fabricated in a GaN free-standing photonic crystal slab. The cavities are based on the popular L3 design, which was optimized using an automated process based on a genetic algorithm, in order to maximize the qual ...

American Institute of Physics2014

Numerical And Statistical Estimates Of The Representative Volume Element Of Elastoplastic Random Composites

Joël Cugnoni, John Botsis, Matteo Galli

In many applications elastoplastic composites are used in limited amounts, therefore it is important to have estimates of the size of their representative volume element both for modeling and experimental purposes. In this work the tensile response of part ...

Elsevier2012

Size effects in indentation of hydrated biological tissues

Matteo Galli

Fluid flow in biological tissues is important in both mechanical and biological contexts. Given the hierarchical nature of tissues, there are varying length scales at which time-dependent mechanical behavior due to fluid flow may be exhibited. Here, spheri ...

Cambridge University Press2012

Fatigue strengthening of damaged metallic beams using prestressed unbonded and bonded CFRP plates

Andrin Herwig, John Botsis, Matteo Galli, Elyas Ghafoori, Masoud Motavalli

Bonded fiber reinforced polymers (FRPs) reinforcement systems have traditionally been found to be an efficient method for improving the lifespan of fatigued metallic structures and have attracted much research attention. Nevertheless, the performance of a ...

Elsevier2012

Poroviscoelastic Characterization of Particle-Reinforced Gelatin Gels using Indentation and Homogenization

Joël Cugnoni, Elvis Fornasiere, Matteo Galli

Hydrogels are promising materials for bioengineering applications, and are good model materials for the study of hydrated biological tissues. As these materials often have a structural function, the measurement of their mechanical properties is of fundamen ...

Elsevier2011

Hydro-mechanical coupling in the periodontal ligament: A porohyperelastic finite element model

Joël Cugnoni, John Botsis, Marzio Bergomi, Matteo Galli

Harmonic tension–compression tests at 0.1, 0.5 and 1 Hz on hydrated bovine periodontal ligament (PDL) were numerically simulated. The process was modeled by finite elements (FE) within the framework of poromechanics, with the objective of isolating the con ...

Elsevier2011

Representative Volume Element Size of Elastoplastic and Elastoviscoplastic Particle-Reinforced Composites with Random Microstructure

Joël Cugnoni, Matteo Galli

With the progress of miniaturization, in many modern applications the characteristic dimensions of the physical volume occupied by particle-reinforced composites are getting comparable with the reinforcement size and many of those composite materials under ...

2010

Influence of Ti on the Mechanical Properties of AgCuInTi Active Brazing Fillers

Matteo Galli

Wiley-Blackwell2009

Characterization of the Residual Stresses and Strength of Ceramic-Metal Braze Joints

John Botsis, Matteo Galli

Residual stress relief in ceramic-metal joints produced by active brazing depends primarily on the plastic response of the filler metal. A procedure for the production and mechanical characterization of bulk active filler alloy specimens is developed. In p ...

2009

The constitutive response of brazing alloys and the residual stresses in ceramic-metal joints

Matteo Galli

Nowadays the joining of dissimilar materials is often the only solution to fulfill the complex requirements of high technology applications. One of the fields in which the research activity is more intense and promising is that of the brazing of ceramics w ...

EPFL2007

On the Relief of the Residual Stresses in Ceramic-Metal joint by a Layered Joint Structure

John Botsis, Matteo Galli

2006

Page 3 of 3

The Precision Proton Spectrometer (PPS) of the CMS and TOTEM experiments collected 107.7 fb 1 in proton-proton (pp) collisions at the LHC at 13 TeV(Run 2). This paper describes the key features of the PPS alignment and optics calibrations, the proton recon ...

Iop Publishing Ltd2023