Search Results - "Farnesi, D."
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Optical frequency conversion in silica-whispering-gallery-mode microspherical resonators
Published in Physical review letters (07-03-2014)“…High quality factor whispering-gallery-mode microresonators are ideally suited for nonlinear optical interactions. We analyze, experimentally and…”
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Journal Article -
2
Quasi-distributed and wavelength selective addressing of optical micro-resonators based on long period fiber gratings
Published in Optics express (10-08-2015)“…A novel all-in-fiber method for coupling light to high-Q silica whispering gallery mode (WGM) optical micro-resonators is presented, which is based on a pair…”
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Journal Article -
3
In phantom evaluation of targeting accuracy in MRI-based brain radiosurgery
Published in Physica medica (01-05-2021)“…•High accuracy in stereotactic brain radiosurgery is crucial.•MR images distortions and image co-registration uncertainties affect treatment accuracy.•A…”
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Journal Article -
4
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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Whispering Gallery Mode Resonators for Chemical, Biochemical and Physical Sensing
Published in 2020 22nd International Conference on Transparent Optical Networks (ICTON) (01-07-2020)“…We report on chemical, biochemical and physical sensors based on whispering gallery mode resonators. We characterized the resonators, improved the mitigation…”
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Conference Proceeding -
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Metamaterial engineered silicon photonic coupler for whispering gallery mode microsphere and disk resonators
Published in Optica (20-12-2021)“…Optical microresonators with high quality factors are key in photonic circuits requiring fine spectral filtering or resonant storage of optical power. Silicon…”
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Journal Article -
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Photoluminescence and lasing in whispering gallery mode glass microspherical resonators
Published in Journal of luminescence (01-02-2016)“…We report experimental results regarding the development of Er3+-doped glass microspherical cavities for the fabrication of compact sources at 1.55μm. We…”
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Journal Article -
8
Determination of coupling regime of high-Q coupled resonators using cavity ring down spectroscopy
Published in IET Conference Proceedings (06-06-2016)“…We implement a mathematical model able to predict the amplitude variation of the optical field inside a coupled highQ resonator as a function of the scanning…”
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Conference Proceeding -
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Whispering gallery mode profiles in a coated microsphere
Published in The European physical journal. ST, Special topics (01-09-2014)“…The properties of whispering gallery modes (WGM) of a microsphere can be tailored by coating the resonator with a thin film. If the coating has a higher…”
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Journal Article -
10
Reverse mortgages
Published in Caring (Washington, D.C.) (01-09-1995)“…Elders and their families are often caught in a financial bind when it comes to paying for much-needed home care services. Reverse mortgages may offer a…”
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Magazine Article -
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Universal coupler for bulk whispering gallery mode resonators based on silicon subwavelength grating waveguides
Published 10-05-2021“…Optical microresonators are of paramount importance in photonic circuits requiring fine spectral filtering or resonant light recirculation. Key performance…”
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Journal Article -
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Design of microspheres and microbubbles for environmental chemical/biological optical sensing
Published in 2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) (01-05-2017)“…An exhaustive model for designing microsphere and microbubble sensing set-ups is illustrated. The computer code is validated via the comparison of the…”
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Conference Proceeding -
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Biosensing with microresonators and fibre nanotips
Published in 2013 15th International Conference on Transparent Optical Networks (ICTON) (01-06-2013)“…In the last two decades, a remarkable progress has occurred in the development of biosensor photonic devices and their application in areas ranging from…”
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Conference Proceeding