Search Results - "PIREDDA, Giovanni"
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Strain-Tunable GaAs Quantum Dot: A Nearly Dephasing-Free Source of Entangled Photon Pairs on Demand
Published in Physical review letters (20-07-2018)“…We report on the observation of nearly maximally entangled photon pairs from semiconductor quantum dots, without resorting to postselection techniques. We use…”
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2
Wavelength-tunable sources of entangled photons interfaced with atomic vapours
Published in Nature communications (27-01-2016)“…The prospect of using the quantum nature of light for secure communication keeps spurring the search and investigation of suitable sources of entangled…”
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3
Uniaxial stress flips the natural quantization axis of a quantum dot for integrated quantum photonics
Published in Nature communications (03-08-2018)“…The optical selection rules in epitaxial quantum dots are strongly influenced by the orientation of their natural quantization axis, which is usually parallel…”
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4
MLT dependence in the relationship between plasmapause, solar wind, and geomagnetic activity based on CRRES: 1990–1991
Published in Journal of geophysical research. Space physics (01-05-2016)“…Using the database of CRRES in situ observations of the plasmapause crossings, we develop linear and more complex plasmapause models parametrized by (a) solar…”
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A frequency-tunable nanomembrane mechanical oscillator with embedded quantum dots
Published in Applied physics letters (28-10-2019)“…Hybrid systems consisting of a quantum emitter coupled to a mechanical oscillator are receiving increasing attention for fundamental science and potential…”
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Dietary Conjugated Linoleic Acid-Enriched Cheeses Influence the Levels of Circulating n-3 Highly Unsaturated Fatty Acids in Humans
Published in International journal of molecular sciences (11-06-2018)“…n-3 highly unsaturated fatty acids (n-3 HUFA) directly and indirectly regulate lipid metabolism, energy balance and the inflammatory response. We investigated…”
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7
Enhanced nonlinear optical response of one-dimensional metal-dielectric photonic crystals
Published in Physical review letters (17-09-2004)“…We describe a new type of artificial nonlinear optical material composed of a one-dimensional metal-dielectric photonic crystal. Because of the resonant nature…”
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Biogenic Amines in Traditional Fiore Sardo PDO Sheep Cheese: Assessment, Validation and Application of an RP-HPLC-DAD-UV Method
Published in Separations (19-02-2019)“…This contribution aimed to measure for the first time the amount of biogenic amines (BAs) in one of the most ancient and traditional sheep cheese produced in…”
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New Analytical Tools for Unmasking Frauds in Raw Milk-Based Dairy Products: Assessment, Validation and Application to Fiore Sardo PDO Cheese of a RP-HPLC Method for the Evaluation of the α-l-Fucosidase Activity
Published in Separations (01-09-2020)“…The activity of α-l-fucosidase (FSC) has been measured for the first time in Fiore Sardo PDO (Protected Designation of Origin) raw milk cheese. To do this, a…”
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10
Slow light by means of coherent population oscillations: laser linewidth effects
Published in Journal of the European Optical Society. Rapid publications (01-01-2007)“…Several groups have recently reported the observation of slow light propagation speeds based on the process of coherent population oscillations (CPO) under…”
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Characterization and laser-induced degradation of a medical grade polylactide
Published in Polymer degradation and stability (01-11-2019)“…In this study, we carried out the structural and thermal characterization of a medical-grade poly (lactide) (PLA) by SEC, TGA, DSC, NMR, ICP-MS and Py-GC/MS…”
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12
Transparent superhydrophobic surfaces with high adhesion generated by the combination of femtosecond laser structuring and wet oxidation
Published in Applied surface science (31-10-2017)Get full text
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13
Building of prediction models by using Mid-Infrared spectroscopy and fatty acid profile to discriminate the geographical origin of sheep milk
Published in Food science & technology (01-01-2017)“…Geographical authentication of sheep milk is an issue related to the production of cheeses labelled with a Protected Designation of Origin (PDO). To this…”
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14
Optical coherence tomography based on intensity correlations of quasi-thermal light
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (2009)“…We show theoretically that the longitudinal resolution of conventional optical coherence tomography can be improved by a factor of radic2 when a two-photon (as…”
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Conference Proceeding -
15
Prediction of fatty acid content in sheep milk by Mid-Infrared spectrometry with a selection of wavelengths by Genetic Algorithms
Published in Food science & technology (01-01-2016)“…Sheep breeding is one of the most widespread activities in Sardinia (Italy), and milk produced here is of crucial economic importance for the region. In order…”
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Physico-chemical, colorimetric, rheological parameters and chemometric discrimination of the origin of Mugil cephalus' roes during the manufacturing process of Bottarga
Published in Food research international (01-06-2018)“…The aim of this work was to measure the physico-chemical and the colorimetric parameters of ovaries from Mugil cephalus caught in the Tortolì lagoon…”
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Micro-machining of PMN-PT Crystals with Ultrashort Laser Pulses
Published in Applied physics. A, Materials science & processing (01-03-2019)“…Lead–magnesium niobate lead titanate (PMN-PT) has been proven as an excellent material for sensing and actuating applications. The fabrication of advanced…”
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18
Graphene Near-Degenerate Four-Wave Mixing for Phase Characterization of Broadband Pulses in Ultrafast Microscopy
Published in Nano letters (12-08-2015)“…We investigate near-degenerate four-wave mixing in graphene using femtosecond laser pulse shaping microscopy. Intense near-degenerate four-wave mixing signals…”
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Optimization of a newly established gas-chromatographic method for determining lactose and galactose traces: Application to Pecorino Romano cheese
Published in Journal of food composition and analysis (01-12-2018)“…•We propose a new GC-FID method measuring traces of lactose and galactose in cheese.•The validated method was tested on a wide sampling of PDO Pecorino Romano…”
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X-ray phase-contrast microtomography of soft tissues using a compact laboratory system with two-directional sensitivity
Published in Optica (20-07-2023)“…X-ray microtomography is a nondestructive, three-dimensional inspection technique applied across a vast range of fields and disciplines, ranging from research…”
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