Search Results - "Pelli, S"
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Spherical whispering-gallery-mode microresonators
Published in Laser & photonics reviews (01-04-2010)“…Whispering‐gallery modes (WGM) on a spherical surface were first described by Lord Rayleigh at the beginning of the last century, but only after the invention…”
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2
Broadband optical ultrafast reflectivity of Si, Ge and GaAs
Published in Scientific reports (15-10-2020)“…Ultrafast optical reflectivity measurements of silicon, germanium, and gallium arsenide have been carried out using an advanced set-up providing intense…”
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3
Element- and enantiomer-selective visualization of molecular motion in real-time
Published in Nature communications (24-01-2023)“…Ultrafast optical-domain spectroscopies allow to monitor in real time the motion of nuclei in molecules. Achieving element-selectivity had to await the advent…”
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4
The effect of echoes interference on phonon attenuation in a nanophononic membrane
Published in Nature communications (13-02-2024)“…Nanophononic materials are characterized by a periodic nanostructuration, which may lead to coherent scattering of phonons, enabling interference and resulting…”
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Leaky mode suppression in planar optical waveguides written in Er:TeO2–WO3 glass and CaF2 crystal via double energy implantation with MeV N+ ions
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-05-2014)“…Ion implantation proved to be an universal technique for producing waveguides in most optical materials. Tellurite glasses are good hosts of rare-earth…”
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6
Aliovalent Doping in Colloidal Quantum Dots and Its Manifestation on Their Optical Properties: Surface Attachment versus Structural Incorporation
Published in Chemistry of materials (09-08-2016)“…Doping colloidal quantum dots (CQDs) with aliovalent cations is a promising, yet underexplored, approach to control the optoelectronic properties in CQDs. In…”
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7
Whispering gallery mode spectra of channel waveguide coupled microspheres
Published in Optics express (21-07-2008)“…Evanescent coupling of light from glass channel waveguides into the whispering gallery modes of glass microspheres of radius 15?m and 100?m is studied…”
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8
Optical spectroscopy and waveguide fabrication in Sm3+/Tb3+ doped zinc–sodium–aluminosilicate glasses
Published in Optical materials (01-05-2012)“…► Yellowish-green emission can be generated from Tb3+ and Sm3+ co-doped zinc–sodium–aluminosilicate glasses excited at 318nm. ► This frequency conversion may…”
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9
Planar coupling to high-Q lithium niobate disk resonators
Published in Optics express (14-02-2011)“…We demonstrate optical coupling to high-Q lithium niobate disks from an integrated lithium niobate waveguide. The waveguides are made by proton exchange in…”
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10
Optical spectroscopy and optical waveguide fabrication in Eu3+ and Eu3+/Tb3+ doped zinc–sodium–aluminosilicate glasses
Published in Journal of luminescence (01-03-2014)“…Optical and spectroscopic properties of 2.0% Eu(PO3)3 singly doped and 5.0% Tb(PO3)3–2.0% Eu(PO3)3 codoped zinc–sodium–aluminosilicate glasses were…”
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11
Phoxonic glass cavities based on whispering gallery mode resonators
Published in Optical materials. X (01-12-2021)“…A variety of studies have been performed on WGM microresonators made of different materials and exploiting very high quality factors. This feature has allowed…”
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12
High-Q polymer-coated microspheres for immunosensing applications
Published in Optics express (17-08-2009)“…Homogeneous polymeric thin layers have been used as functionalizing agents on silica microspherical resonators in view of the implementation of an…”
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13
Design of photonic structures by sol–gel-derived silica nanospheres
Published in Journal of non-crystalline solids (01-04-2007)“…Sol–gel processing was used to obtain monosized silica spheres of 270 nm in diameter. Starting from these spheres, two different systems have been fabricated:…”
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Journal Article Conference Proceeding -
14
Raman gain in niobium-phosphate glasses
Published in Applied physics letters (19-01-2009)“…In this paper, niobium-phosphate glasses doped with rare earths (Er and Sm) are investigated by Raman scattering. The goal of Raman characterization is…”
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15
Tb3+/Yb3+ co-activated Silica-Hafnia glass ceramic waveguides
Published in Optical materials (01-12-2010)Get full text
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16
Ion beam irradiated channel waveguides in Er3+-doped tellurite glass
Published in Applied physics letters (19-03-2007)“…Erbium-doped tellurite glasses are of great interest for the fabrication of active integrated circuits because of their unique properties in terms of bandwidth…”
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17
Digital-holography refractive-index-profile measurement of phase gratings
Published in Applied physics letters (13-03-2006)“…A phase grating is produced in an iron-doped lithium niobate photorefractive crystal by two-beam holographic configuration. Digital holography is used to…”
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18
M-line spectroscopic, spectroscopic ellipsometric and microscopic measurements of optical waveguides fabricated by MeV-energy N+ ion irradiation for telecom applications
Published in Thin solid films (31-08-2013)“…Irradiation with N+ ions of the 1.5–3.5MeV energy range was applied to optical waveguide formation. Planar and channel waveguides have been fabricated in an…”
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Journal Article Conference Proceeding -
19
An alternative method to obtain direct opal photonic crystal structures
Published in Journal of non-crystalline solids (01-07-2009)“…We describe the protocol that we have elaborated in order to obtain monosize polystyrene spheres. Starting from these spheres a simple and effective method,…”
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Journal Article Conference Proceeding -
20
Fabrication of optical channel waveguides in crystals and glasses using macro- and micro ion beams
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-07-2014)“…Active and passive optical waveguides are fundamental elements in modern telecommunications systems. A great number of optical crystals and glasses were…”
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