P. Olivero
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View article: Photoactivation of Color Centers Induced by CW Laser Irradiation in Ion-Implanted Diamond
Photoactivation of Color Centers Induced by CW Laser Irradiation in Ion-Implanted Diamond Open
Split-vacancy color centers in diamonds are promising solid-state platforms for the implementation of photonic quantum technologies. These luminescent defects are commonly fabricated upon low-energy ion implantation and subsequent thermal …
View article: Effects of Thermal Oxidation and Proton Irradiation on Optically Detected Magnetic Resonance Sensitivity in Sub-100 nm Nanodiamonds
Effects of Thermal Oxidation and Proton Irradiation on Optically Detected Magnetic Resonance Sensitivity in Sub-100 nm Nanodiamonds Open
In recent decades, nanodiamonds (NDs) have emerged as innovative nanotools for weak magnetic fields and small temperature variation sensing, especially in biological systems. At the basis of the use of NDs as quantum sensors are nitrogen-v…
View article: Integration of germanium-vacancy single photon emitters arrays in diamond nanopillars
Integration of germanium-vacancy single photon emitters arrays in diamond nanopillars Open
The nanoscale fabrication of μ m-spaced single-photon emitter arrays is crucial for the development of integrated photonic chips. We report on the fabrication and systematic characterization of germanium-vacancy (GeV) color centers arrays …
View article: Resolution enhancement methods in optical microscopy for dimensional optical metrology
Resolution enhancement methods in optical microscopy for dimensional optical metrology Open
In this paper, we discuss several enhancement approaches to increase the resolution and sensitivity of optical microscopy as a tool for dimensional nanometrology. Firstly, we discuss a newly developed through-focus microscopy technique pro…
View article: On the Representativeness of Proton Radiation Resistance Tests on Optical Coatings for Interplanetary Missions
On the Representativeness of Proton Radiation Resistance Tests on Optical Coatings for Interplanetary Missions Open
Optical instrumentation used in space normally employs optical coatings. Future interplanetary space missions will be characterized by ever longer stays in environmental conditions where low energy protons represent one of the main types o…
View article: Creation, Control, and Modeling of NV Centers in Nanodiamonds
Creation, Control, and Modeling of NV Centers in Nanodiamonds Open
Sensing based on Nitrogen‐Vacancy (NV) centers in nanodiamonds (NDs) represents a potentially groundbreaking technology with broad applications. Nevertheless, the optimization of their quantum‐optical properties is still a challenging issu…
View article: Fabrication of quantum emitters in aluminum nitride by Al-ion implantation and thermal annealing
Fabrication of quantum emitters in aluminum nitride by Al-ion implantation and thermal annealing Open
Single-photon emitters (SPEs) within wide-bandgap materials represent an appealing platform for the development of single-photon sources operating at room temperatures. Group III-nitrides have previously been shown to host efficient SPEs, …
View article: Impact of proton irradiation on photoluminescent properties of C-doped ZrO2 films prepared by ALD
Impact of proton irradiation on photoluminescent properties of C-doped ZrO2 films prepared by ALD Open
Amorphous C-doped zirconia thin films grown by ALD technique on fused silica substrates have high transmittance and significant photoluminescence (PL) capacity suitable for application as a transparent material to convert high energy into …
View article: 3D Printing in Microfluidics: Experimental Optimization of Droplet Size and Generation Time through Flow Focusing, Phase, and Geometry Variation
3D Printing in Microfluidics: Experimental Optimization of Droplet Size and Generation Time through Flow Focusing, Phase, and Geometry Variation Open
Droplet-based microfluidics systems have become widely used in recent years thanks to their advantages, varying from the possibility of handling small fluid volumes to directly synthesizing and encapsulating various living forms for biolog…
View article: Latest results from the RD42 collaboration on the radiation tolerance of polycrystalline diamond detectors
Latest results from the RD42 collaboration on the radiation tolerance of polycrystalline diamond detectors Open
As nuclear and particle physics facilities move to higher intensities, the detectors used there must be more radiation tolerant. Diamond is in use at many facilities due to its inherent radiation tolerance and ease of use. In this article …
View article: Investigations on Diamond-NV-Centers as Alternative Labels in STED Microscopy
Investigations on Diamond-NV-Centers as Alternative Labels in STED Microscopy Open
We investigate diamond nitrogen-vacancy (NV) centers as alternative labels in stimulated emission depletion (STED) microscopy. To this end, artificial diamond is used as a substrate and Raman spectroscopy in photoluminescence (PL) mode is …
View article: 3D printing in microfluidics: experimental optimization of droplet size and generation time through flow focusing, phase, and geometry variation
3D printing in microfluidics: experimental optimization of droplet size and generation time through flow focusing, phase, and geometry variation Open
Optimizing droplet size and timing in microfluidics using phase, and geometrical adjustments using desktop 3D printer.
View article: Study of W centers formation in silicon upon ion implantation and rapid thermal annealing
Study of W centers formation in silicon upon ion implantation and rapid thermal annealing Open
The recent demonstration of optically active telecom emitters in silicon has paved the way for realizing industrial-scale silicon-based solid-state quantum photonic platforms. The scientific community has been pursuing the implementation o…
View article: Efficiency Optimization of Ge‐V Quantum Emitters in Single‐Crystal Diamond upon Ion Implantation and HPHT Annealing
Efficiency Optimization of Ge‐V Quantum Emitters in Single‐Crystal Diamond upon Ion Implantation and HPHT Annealing Open
The authors report on the characterization at the single‐defect level of germanium‐vacancy (GeV) centers in diamond produced upon Ge − ion implantation and different subsequent annealing processes, with a specific focus on the effect of hi…
View article: Progress in Diamond Detectors
Progress in Diamond Detectors Open
Detectors based on Chemical Vapor Deposition (CVD) diamond have been used successfully in Luminosity and Beam Condition Monitors (BCM) in the highest radiation areas of the LHC. Future experiments at CERN will accumulate an order of magnit…
View article: Magnesium-Vacancy Optical Centers in Diamond
Magnesium-Vacancy Optical Centers in Diamond Open
We provide the first systematic characterization of the structural and photoluminescence properties of optically active centers fabricated upon implantation of 30-100 keV Mg+ ions in synthetic diamond. The structural configurations of Mg-r…
View article: 4H-SiC Schottky diode radiation hardness assessment by IBIC microscopy
4H-SiC Schottky diode radiation hardness assessment by IBIC microscopy Open
We report findings on the Ion Beam Induced Charge (IBIC) characterization of a 4H-SiC Schottky barrier diode (SBD), in terms of the modification of the Charge Collection Efficiency (CCE) distribution induced by 20 MeV C ions irradiations w…
View article: Diamond-based sensors for in vitro cellular radiobiology: Simultaneous detection of cell exocytic activity and ionizing radiation
Diamond-based sensors for in vitro cellular radiobiology: Simultaneous detection of cell exocytic activity and ionizing radiation Open
The investigation of secondary effects induced by ionizing radiation represents a new and ever-growing research field in radiobiology. This new paradigm cannot be investigated only using standard instrumentation and methodologies, but rath…
View article: Radiation tolerance of diamond detectors
Radiation tolerance of diamond detectors Open
Diamond is used as detector material in high energy physics experiments due to its inherent radiation tolerance. The RD42 collaboration has measured the radiation tolerance of chemical vapour deposition (CVD) diamond against proton, pion, …
View article: Monitoring cells local temperature variation using nitrogen-vacancy (NV) centers in nanodiamonds
Monitoring cells local temperature variation using nitrogen-vacancy (NV) centers in nanodiamonds Open
The growing interest in understanding the complex mechanisms that regulate biological processes has prompted the study and the improvement of quantum sensors, potentially capable of detecting a wide class of physical quantities of biologic…
View article: Quantum technologies in diamond enabled by laser processing
Quantum technologies in diamond enabled by laser processing Open
Integrated photonic circuits promise to be foundational for applications in quantum information and sensing technologies, through their ability to confine and manipulate light. A key role in such technologies may be played by spin-active q…
View article: Spectral Emission Dependence of Tin‐Vacancy Centers in Diamond from Thermal Processing and Chemical Functionalization
Spectral Emission Dependence of Tin‐Vacancy Centers in Diamond from Thermal Processing and Chemical Functionalization Open
A systematic photoluminescence (PL) investigation of the spectral emission properties of individual optical defects fabricated in diamond upon ion implantation and annealing is reported. Three spectral lines at 620, 631, and 647 nm are ide…
View article: Interaction of Nanodiamonds with Water: Impact of Surface Chemistry on Hydrophilicity, Aggregation and Electrical Properties
Interaction of Nanodiamonds with Water: Impact of Surface Chemistry on Hydrophilicity, Aggregation and Electrical Properties Open
In recent decades, nanodiamonds (NDs) have earned increasing interest in a wide variety of research fields, thanks to their excellent mechanical, chemical, and optical properties, together with the possibility of easily tuning their surfac…
View article: Spectral features of Pb-related color centers in diamond – a systematic photoluminescence characterization
Spectral features of Pb-related color centers in diamond – a systematic photoluminescence characterization Open
We report on the systematic characterization of the optical properties of diamond color centers based on Pb impurities. An ensemble photoluminescence analysis of their spectral emission was performed at different excitation wavelengths in …
View article: Creation of pure non-crystalline diamond nanostructures <i>via</i> room-temperature ion irradiation and subsequent thermal annealing
Creation of pure non-crystalline diamond nanostructures <i>via</i> room-temperature ion irradiation and subsequent thermal annealing Open
It is possible to create full-sp3 amorphous nanostructures within the bulk crystal of diamond with room-temperature ion-beam irradiation, followed by an annealing process that does not involve the application of any external mechanical pre…