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View article: Formation of luminescent defects in 4H-SiC upon ion irradiation and ns laser annealing
Formation of luminescent defects in 4H-SiC upon ion irradiation and ns laser annealing Open
We present a novel approach for the optical activation of the negatively-charged silicon vacancy ( V Si − ) center in ion irradiated silicon carbide (SiC) via ns-pulsed laser annealing in the 234–2180 mJ cm − 2 energy density range. The la…
View article: Interplay between dressed and strong-axial-field states in nitrogen vacancy centers for quantum sensing and computation
Interplay between dressed and strong-axial-field states in nitrogen vacancy centers for quantum sensing and computation Open
The nitrogen vacancy (NV) center in diamond is an intriguing electronic spin system with applications in quantum radiometry, sensing, and computation. In those experiments, a bias magnetic field is commonly applied along the NV symmetry ax…
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: Quantum photonics sensing in biosystems
Quantum photonics sensing in biosystems Open
Quantum sensors emerged among quantum technologies as the ones with promising potential applications in the near future. This perspective reviews two leading quantum sensing platforms and their advancements toward biological applications: …
View article: Quantum (sensing) leap: Pushing the technology readiness of Nitrogen-Vacancy sensors in Europe forward
Quantum (sensing) leap: Pushing the technology readiness of Nitrogen-Vacancy sensors in Europe forward Open
Nitrogen Vacancy centers in diamond interact with local magnetic and electric fields, temperature, strain, and pressure. Their ease of operation and exceptional performance has led to the emergence of a first generation of commercial NV-ba…
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: Photon Statistics Modal Reconstruction by Detected and Undetected Light
Photon Statistics Modal Reconstruction by Detected and Undetected Light Open
A novel technique is introduced for the reconstruction of multimode optical fields, based on simultaneously exploiting both the generalized Glauber's K th ‐order correlation function and a recently proposed anti‐correlation function (dubbe…
View article: Efficient activation of telecom emitters in silicon upon ns pulsed laser annealing
Efficient activation of telecom emitters in silicon upon ns pulsed laser annealing Open
The recent demonstration of optically active telecom emitters makes silicon a compelling candidate for solid state quantum photonic platforms. Particularly fabrication of the G center has been demonstrated in carbon-rich silicon upon conve…
View article: Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing
Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing Open
Adv. Sci. 2022, 9, 2202014 DOI: 10.1002/advs.202202014 In the originally published article, one affiliation for P. Cígler is missing. Please find the correct affiliations below: G. Petrini, E. Bernardi, E. Moreva, P. Traina, I. P. Degiovan…
View article: Mode structure reconstruction by detected and undetected light
Mode structure reconstruction by detected and undetected light Open
We introduce a novel technique for the reconstruction of multimode optical fields, based on simultaneously exploiting both the generalized Glauber's $K^{th}$-order correlation function $g^{(K)}$ and a recently proposed anti-correlation fun…
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: Towards European standards for quantum technologies
Towards European standards for quantum technologies Open
The Second Quantum Revolution facilitates the engineering of new classes of sensors, communication technologies, and computers with unprecedented capabilities. Supply chains for quantum technologies are emerging, some focused on commercial…
View article: Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing
Nanodiamond–Quantum Sensors Reveal Temperature Variation Associated to Hippocampal Neurons Firing Open
Temperature is one of the most relevant parameters for the regulation of intracellular processes. Measuring localized subcellular temperature gradients is fundamental for a deeper understanding of cell function, such as the genesis of acti…
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: Single photon sources for quantum radiometry: a brief review about the current state-of-the-art
Single photon sources for quantum radiometry: a brief review about the current state-of-the-art Open
Single-photon sources have a variety of applications. One of these is quantum radiometry, which is reported on in this paper in the form of an overview, specifically of the current state of the art in the application of deterministic singl…
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: 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: 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
We report a systematic photoluminescence (PL) investigation of the spectral emission properties of individual optical defects fabricated in diamond upon ion implantation and annealing. Three spectral lines at 620 nm, 631 nm, and 647 nm are…
View article: Is a Quantum Biosensing Revolution Approaching? Perspectives in NV‐Assisted Current and Thermal Biosensing in Living Cells
Is a Quantum Biosensing Revolution Approaching? Perspectives in NV‐Assisted Current and Thermal Biosensing in Living Cells Open
Understanding the human brain is one of the most significant challenges of the 21st century. As theoretical studies continue to improve the description of the complex mechanisms that regulate biological processes, in parallel numerous expe…
View article: Is a quantum biosensing revolution approaching?
Is a quantum biosensing revolution approaching? Open
Understanding the human brain remains one of the most significant challenges of the 21st century. As theoretical studies continue to improve the description of the complex mechanisms that regulate biological processes, in parallel numerous…
View article: Feasibility study towards comparison of the g(2)(0) measurement in the visible range
Feasibility study towards comparison of the g(2)(0) measurement in the visible range Open
Feasibility study towards comparison of the g(2)(0) measurement in the visible range This work reports on the pilot study, performed by INRIM, NPL and PTB, on the measurement of the g(2)(0) parameter in the visible spectral range of a test…
View article: Single-Photon Emitters in Lead-Implanted Single-Crystal Diamond
Single-Photon Emitters in Lead-Implanted Single-Crystal Diamond Open
Single-Photon Emitters in Lead-Implanted Single-Crystal Diamond We report on the creation and characterization of Pb-related color centers in diamond upon ion implantation and subsequent thermal annealing. Their optical emission in the pho…
View article: Single-Photon Emitters in Lead-Implanted Single-Crystal Diamond
Single-Photon Emitters in Lead-Implanted Single-Crystal Diamond Open
Single-Photon Emitters in Lead-Implanted Single-Crystal Diamond We report on the creation and characterization of Pb-related color centers in diamond upon ion implantation and subsequent thermal annealing. Their optical emission in the pho…
View article: Mapping the Local Spatial Charge in Defective Diamond by Means of N-V Sensors—A Self-Diagnostic Concept
Mapping the Local Spatial Charge in Defective Diamond by Means of N-V Sensors—A Self-Diagnostic Concept Open
Mapping the Local Spatial Charge in Defective Diamond by Means of N-V Sensors—A Self-Diagnostic Concept Electrically active defects have a significant impact on the performance of electronic devices based on wide-band-gap materials. This i…
View article: Feasibility study towards comparison of the g(2)(0) measurement in the visible range
Feasibility study towards comparison of the g(2)(0) measurement in the visible range Open
Feasibility study towards comparison of the g(2)(0) measurement in the visible range This work reports on the pilot study, performed by INRIM, NPL and PTB, on the measurement of the g(2)(0) parameter in the visible spectral range of a test…