Stefano Calcaterra
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View article: Advancing landslide knowledge and dissemination in Italy through IdroGEO 2.0 web platform
Advancing landslide knowledge and dissemination in Italy through IdroGEO 2.0 web platform Open
Understanding landslide disaster risk, increasing public awareness, and improving monitoring technologies are key aspects that contribute, among others, to mitigating landslide risk, as also emphasized in the Kyoto (UN 2020) Commitment for…
View article: Mid-infrared frequency comb generation for sensing applications
Mid-infrared frequency comb generation for sensing applications Open
International audience
View article: Thermal stability of hyper-doped n-type Ge and Si <sub>0.15</sub> Ge <sub>0.85</sub> epilayers obtained by <i>in situ</i> doping and pulsed laser melting
Thermal stability of hyper-doped n-type Ge and Si <sub>0.15</sub> Ge <sub>0.85</sub> epilayers obtained by <i>in situ</i> doping and pulsed laser melting Open
Pulsed laser melting enables high electron activation in Ge and SiGe epilayers with the latter exhibiting enhanced thermal stability. Our findings highlight the trade-off between the activation level and dopant resilience.
View article: Advancing Ultrafast Transmission Electron Microscopy with Dielectric Metalenses
Advancing Ultrafast Transmission Electron Microscopy with Dielectric Metalenses Open
View article: Strong coupling between photonic modes of stripe microcavities and intersubband transitions in Ge/SiGe multiple quantum wells
Strong coupling between photonic modes of stripe microcavities and intersubband transitions in Ge/SiGe multiple quantum wells Open
In this work, we assessed by means of numerical simulations the observability of mid-infrared intersubband polaritons in hole-doped Ge/SiGe multiple quantum wells embedded into stripe microcavities consisting of an upper gold grating and a…
View article: Mid-infrared second harmonic generation in p-type Ge/SiGe quantum wells: Toward waveguide integration
Mid-infrared second harmonic generation in p-type Ge/SiGe quantum wells: Toward waveguide integration Open
View article: GNSS-based long-term deformation at Mount Etna volcano (Italy)
GNSS-based long-term deformation at Mount Etna volcano (Italy) Open
We estimated a long-term velocity field for Mount Etna volcano by taking into account a dense GNSS dataset collected during the 2004.42 - 2018.95 period. To properly isolate the volcanic deformation from the background tectonic one, we def…
View article: Modelling second harmonic generation at mid-infrared frequencies in waveguide integrated Ge/SiGe quantum wells
Modelling second harmonic generation at mid-infrared frequencies in waveguide integrated Ge/SiGe quantum wells Open
A promising alternative to bulk materials for the nonlinear coupling of optical fields is provided by photonic integrated circuits based on heterostructures made of asymmetric-coupled quantum wells. These devices achieve a huge nonlinear s…
View article: Role of Geological Surveys of Europe in landslide monitoring
Role of Geological Surveys of Europe in landslide monitoring Open
This work was developed by the Earth Observation and Geohazards Expert Group from EGS and provides an overview of landslide monitoring techniques from 2005 to 2021. Based on the questionnaire, the following objectives were set: (1) to iden…
View article: Modelling second harmonic generation at mid-infrared frequencies in waveguide integrated Ge/SiGe quantum wells
Modelling second harmonic generation at mid-infrared frequencies in waveguide integrated Ge/SiGe quantum wells Open
A promising alternative to bulk materials for the nonlinear coupling of optical fields is provided by photonic integrated circuits based on heterostructures made of asymmetric-coupled quantum wells. These devices achieve a huge nonlinear s…
View article: Landslide monitoring techniques in the Geological Surveys of Europe
Landslide monitoring techniques in the Geological Surveys of Europe Open
View article: Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics
Modelling of an intersubband quantum confined Stark effect in Ge quantum wells for mid-infrared photonics Open
In this work we theoretically investigate quantum confined Stark effect of intersubband transitions in asymmetric Ge/SiGe quantum wells for intensity modulation in the mid-infrared. Our calculations show that extinction ratios up to 1 dB a…
View article: Slow slip events and flank instability at Mt. Etna volcano (Italy)
Slow slip events and flank instability at Mt. Etna volcano (Italy) Open
View article: RETRACE-3D project: A multidisciplinary collaboration to build a crustal model for the 2016-2018 central Italy seismic sequence
RETRACE-3D project: A multidisciplinary collaboration to build a crustal model for the 2016-2018 central Italy seismic sequence Open
The RETRACE-3D project (centRal italy EarThquakes integRAted Crustal model) focused on the revision of all the available geological and geophysical data in the area interested by the 2016-2018 seismic sequence of central Italy, with the fi…
View article: Long-Term Displacement Monitoring of Slow Earthflows by Inclinometers and GPS, and Wide Area Surveillance by COSMO-SkyMed Data
Long-Term Displacement Monitoring of Slow Earthflows by Inclinometers and GPS, and Wide Area Surveillance by COSMO-SkyMed Data Open
With reference to two slow earthflows in structurally complex clayey formations of the Italian southern Apennines, this paper shows the results of a long-term displacement monitoring using integrated systems of inclinometers and GPS, and t…
View article: Heterogeneous Behavior of the Campotosto Normal Fault (Central Italy) Imaged by InSAR GPS and Strong-Motion Data: Insights from the 18 January 2017 Events
Heterogeneous Behavior of the Campotosto Normal Fault (Central Italy) Imaged by InSAR GPS and Strong-Motion Data: Insights from the 18 January 2017 Events Open
On 18 January 2017, the 2016–2017 central Italy seismic sequence reached the Campotosto area with four events with magnitude larger than 5 in three hours (major event MW 5.5). To study the slip behavior on the causative fault/faults we fol…
View article: Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data
Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data Open
We investigate a large geodetic data set of interferometric synthetic aperture radar (InSAR) and GPS measurements to determine the source parameters for the three main shocks of the 2016 Central Italy earthquake sequence on 24 August and 2…
View article: Coseismic displacement waveforms for the 2016 August 24 Mw 6.0 Amatrice earthquake (central Italy) carried out from High-Rate GPS data
Coseismic displacement waveforms for the 2016 August 24 Mw 6.0 Amatrice earthquake (central Italy) carried out from High-Rate GPS data Open
We used High-Rate sampling Global Positioning System (HRGPS) data from 52 permanent stations to retrieve the coseismic dynamic displacements related to the 2016 August 24 Mw 6.0 Amatrice earthquake. The HRGPS position t…
View article: GPS observations of coseismic deformation following the 2016, August 24, Mw 6 Amatrice earthquake (central Italy): data, analysis and preliminary fault model
GPS observations of coseismic deformation following the 2016, August 24, Mw 6 Amatrice earthquake (central Italy): data, analysis and preliminary fault model Open
We used continuous Global Positioning System (GPS) measurements to infer the fault geometry and the amount of coseismic slip associated to the August 24, 2016 Mw 6 Amatrice earthquake. We realized a three dimensional coseismic displacement…