All Stories

  1. Optics Continuum recognizes the 2024 Best Paper Prize winners: editorial

    Article • Optics Continuum, September 2025, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  2. In-band pumped erbium doped glass microspherical lasers

    Article • Ceramics International, May 2025, Elsevier

    Dr Gualtiero Nunzi Conti

  3. Light and sound interplay in whispering gallery mode resonators

    Article • Journal of the European Optical Society Rapid Publications, January 2025, EDP Sciences

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  4. Optics Continuum introduces Application Notes: editorial

    Article • Optics Continuum, September 2024, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  5. Integrated All-In-Silica Optofluidic Platform Based on Microbubble Resonator and Femtosecond Laser Written Surface Waveguide

    Article • IEEE Sensors Journal, August 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  6. Optics Continuum recognizes the 2023 Best Paper Prize winners: editorial

    Article • Optics Continuum, August 2024, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  7. Thermometric absorption spectroscopy through active locking of microbubble resonators

    Article • Frontiers in Physics, September 2023, Frontiers

    Dr Gualtiero Nunzi Conti

  8. Rare earth-doped glass whispering gallery mode micro-lasers

    Article • The European Physical Journal Plus, August 2023, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  9. Microbubble Resonators for Photoacoustic Detection and Photothermal Spectroscopy

    Article • Journal of Lightwave Technology, July 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  10. Er3+ doped tellurite whispering gallery mode microlasers in 1.5 μm–1.61 μm wavelength region generated by 0.98 μm and 1.48 μm pump lasers

    Article • Optical Materials X, July 2023, Elsevier

    Dr Gualtiero Nunzi Conti

  11. Nonlinear optical effects and optomechanical oscillations in hollow Whispering Gallery Mode microresonators: Coexistence, suppression, amplification and route to chaos

    Article • Ceramics International, February 2023, Elsevier

    Dr Gualtiero Nunzi Conti

  12. Photon management in SiO2-SnO2:Yb3+ hybrid 1D microcavity

    Article • May 2022, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  13. Combining micro-optics and integrated optics: a case study on bulk resonators

    Article • March 2022, SPIE

    Dr Gualtiero Nunzi Conti

  14. Microbubble PhoXonic resonators: Chaos transition and transfer

    Article • Chaos Solitons & Fractals, January 2022, Elsevier

    Dr Gualtiero Nunzi Conti

  15. Phoxonic glass cavities based on whispering gallery mode resonators

    Article • Optical Materials X, December 2021, Elsevier

    Dr Gualtiero Nunzi Conti

  16. Metamaterial engineered silicon photonic coupler for whispering gallery mode microsphere and disk resonators

    Article • Optica, November 2021, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  17. Microbubble resonators for scattering-free absorption spectroscopy of nanoparticles

    Article • Optics Express, September 2021, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  18. Enhanced photorefractivity and rare-earth photoluminescence in SnO2 nanocrystals-based photonic glass-ceramics

    Article • EPJ Web of Conferences, January 2021, EDP Sciences

    Dr Gualtiero Nunzi Conti

  19. Photorefractive waveguides

    Article • December 2020, the Institution of Engineering and Technology (the IET)

    Dr Gualtiero Nunzi Conti

  20. SiO2-SnO2:Er3+ planar waveguides: Highly photorefractive glass-ceramics

    Article • Optical Materials X, August 2020, Elsevier

    Dr Gualtiero Nunzi Conti

  21. Optical whispering gallery mode resonators for label-free detection of water contaminants

    Article • TrAC Trends in Analytical Chemistry, May 2020, Elsevier

    Dr Gualtiero Nunzi Conti

  22. Microbubble Resonators for All-Optical Photoacoustics of Flowing Contrast Agents

    Article • Sensors, March 2020, MDPI AG

    Dr Gualtiero Nunzi Conti

  23. Nonlinear Optics in Microspherical Resonators

    Article • Micromachines, March 2020, MDPI AG

    Dr Gualtiero Nunzi Conti

  24. Photonic glass ceramics based on SnO2 nanocrystals: advances and perspectives

    Article • March 2020, SPIE

    Dr Gualtiero Nunzi Conti

  25. Microresonators for compact optical sensors (uRCOS) for gas detection

    Article • March 2020, SPIE

    Dr Gualtiero Nunzi Conti

  26. Enhancement, Suppression and Chaotic Behavior in Optomechanical Oscillations in Hollow Resonators

    Article • January 2020, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  27. Fabrication of low loss channel waveguide in tungsten-tellurite glass by 11 MeV carbon ion microbeam for telecom C band

    Article • Optical Materials X, December 2019, Elsevier

    Dr Gualtiero Nunzi Conti

  28. Modification of the Near‐Infrared Spontaneous Emission in Er 3+ ‐Activated Inverse Silica Opals

    Article • physica status solidi (b), November 2019, Wiley

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  29. Glass Micro- and Nanospheres

    Article • August 2019, Taylor & Francis

    Dr Gualtiero Nunzi Conti

  30. SiO2-SnO2 Photonic Glass-Ceramics

    Article • July 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  31. Glass Integrated Optics: 50 Years and Still Growing Strong

    Article • June 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  32. Parametrical Optomechanical Oscillations in PhoXonic Whispering Gallery Mode Resonators

    Article • Scientific Reports, May 2019, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti

  33. Cavity-ringdown-spectroscopy-based study of high Q resonators in add-drop configuration

    Article • March 2019, SPIE

    Dr Gualtiero Nunzi Conti

  34. Passive and active whispering gallery mode microresonators in optical engineering

    Article • March 2019, SPIE

    Dr Gualtiero Nunzi Conti

  35. Waveguide-based coupling of coated micro-spherical resonators

    Article • March 2019, SPIE

    Dr Gualtiero Nunzi Conti

  36. SiO2-SnO2 transparent glass-ceramics activated by rare earth ions

    Article • February 2019, SPIE

    Dr Gualtiero Nunzi Conti

  37. Long Period Grating-Based Fiber Coupling to WGM Microresonators

    Article • Micromachines, July 2018, MDPI AG

    Dr Gualtiero Nunzi Conti

  38. Long Period Grating-Based Fiber Coupling to WGM Microresonators for Sensing Applications

    Article • July 2018, MDPI AG

    Dr Gualtiero Nunzi Conti

  39. Coupling analysis of high Q resonators in add-drop configuration through cavity ringdown spectroscopy

    Article • Journal of Optics, May 2018, Institute of Physics Publishing

    Dr Gualtiero Nunzi Conti

  40. Selective coupling of Whispering Gallery Modes in film coated micro-resonators

    Article • Optics Express, April 2018, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  41. Microbubble and Disc Resonators as Physical Sensors

    Article • January 2018, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  42. Nonlinear Optical Phenomena in Phoxonic Microbubble Resonators

    Article • January 2018, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  43. Design of microspheres and microbubbles for environmental chemical/biological optical sensing

    Article • May 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  44. Fluorescence biosensing in selectively photo–activated microbubble resonators

    Article • Sensors and Actuators B Chemical, April 2017, Elsevier

    Dr Gualtiero Nunzi Conti

  45. Efficient frequency generation in phoXonic cavities based on hollow whispering gallery mode resonators

    Article • Scientific Reports, March 2017, Springer Science + Business Media

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  46. Glass and glass-ceramic photonic systems

    Article • February 2017, SPIE

    Dr Gualtiero Nunzi Conti

  47. Sol–Gel-Derived Glass-Ceramic Photorefractive Films for Photonic Structures

    Article • Crystals, February 2017, MDPI AG

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  48. THz Pyro-Optical Detector Based on LiNbO3 Whispering Gallery Mode Microdisc Resonator

    Article • Sensors, January 2017, MDPI AG

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  49. Advanced Sensing by WGM Microresonators

    Article • January 2017, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  50. Optical Microbubble Resonators with High Refractive Index Inner Coating for Bio-Sensing Applications: An Analytical Approach

    Article • Sensors, November 2016, MDPI AG

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  51. Resonance Frequency of Optical Microbubble Resonators: Direct Measurements and Mitigation of Fluctuations

    Article • Sensors, August 2016, MDPI AG

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  52. Aptasensors Based on Whispering Gallery Mode Resonators

    Article • Biosensors, July 2016, MDPI AG

    Dr Gualtiero Nunzi Conti

  53. The use of ion beam techniques for the fabrication of integrated optical elements

    Article • July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  54. Third order nonlinear phenomena in silica solid and hollow whispering gallery mode resonators

    Article • April 2016, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  55. Localized biomolecules immobilization in optical microbubble resonators

    Article • April 2016, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  56. Long period gratings based frequency selective interrogation of micro-resonators along the same fiber

    Article • April 2016, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  57. Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

    Article • Journal of Visualized Experiments, April 2016, MyJove Corporation

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  58. Whispering gallery modes in self-assembled bottle microresonators coupled to planar waveguide

    Article • March 2016, SPIE

    Dr Gualtiero Nunzi Conti

  59. Photoluminescence and lasing in whispering gallery mode glass microspherical resonators

    Article • Journal of Luminescence, February 2016, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  60. Two photon versus one photon fluorescence excitation in whispering gallery mode microresonators

    Article • Journal of Luminescence, February 2016, Elsevier

    Dr Gualtiero Nunzi Conti , Dr. David Merino, dr. Giancarlo C. Righini

  61. Nonlinear Microcavities: from rainbow lasers to frequency combs

    Article • January 2016, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  62. Generation of hyper-parametric oscillations in silica microbubbles

    Article • Optics Letters, September 2015, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  63. Quasi-distributed and wavelength selective addressing of optical micro-resonators based on long period fiber gratings

    Article • Optics Express, August 2015, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  64. Microbubble resonators as enhancement platforms for linear and nonlinear applications

    Article • July 2015, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  65. Confocal reflectance microscopy for determination of microbubble resonator thickness

    Article • Optics Express, June 2015, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  66. Optical micro-bubble resonators as promising biosensors

    Article • May 2015, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  67. Non-linear fluorescence excitation of Rhodamine 6G and TRITC labeled IgG in whispering gallery mode microresonators

    Article • March 2015, SPIE

    Dr. David Merino, dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  68. Cladding modes fiber coupling to silica micro-resonators based on long period gratings

    Article • March 2015, SPIE

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  69. Whispering Gallery Modes Microresonators for Sensing and Biosensing Applications

    Article • January 2015, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  70. Glass-based confined structures enabling light control

    Article • January 2015, American Institute of Physics

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  71. Sensors

    Article • January 2015, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti

  72. Polymer based planar coupling of self-assembled bottle microresonators

    Article • Applied Physics Letters, December 2014, American Institute of Physics

    Dr Gualtiero Nunzi Conti

  73. Long period grating-based fiber coupler to whispering gallery mode resonators

    Article • Optics Letters, November 2014, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  74. Stimulated anti-Stokes Raman scattering resonantly enhanced in silica microspheres

    Article • Optics Letters, October 2014, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  75. Whispering gallery mode profiles in a coated microsphere

    Article • The European Physical Journal Special Topics, September 2014, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  76. Fabrication of optical channel waveguides in crystals and glasses using macro- and micro ion beams

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, July 2014, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  77. Fiber coupled erbium doped microsphere: NIR and mid-IR wavelength ranges

    Article • July 2014, Institute of Electrical & Electronics Engineers (IEEE)

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  78. Coupling light to whispering gallery mode resonators

    Article • May 2014, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  79. Leaky mode suppression in planar optical waveguides written in Er:TeO2–WO3 glass and CaF2 crystal via double energy implantation with MeV N+ ions

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, May 2014, Elsevier

    Dr Gualtiero Nunzi Conti

  80. Coated spherical microresonators for cutting-edge photonics application

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  81. Ion beam irradiated optical channel waveguides

    Article • March 2014, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  82. Optical Frequency Conversion in Silica-Whispering-Gallery-Mode Microspherical Resonators

    Article • Physical Review Letters, March 2014, American Physical Society (APS)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  83. Multicolour emission in silica whispering gallery mode microspherical resonators

    Article • March 2014, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  84. Sensors

    Article • January 2014, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti

  85. About the role of phase matching between a coated microsphere and a tapered fiber: experimental study

    Article • Optics Express, August 2013, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  86. M-line spectroscopic, spectroscopic ellipsometric and microscopic measurements of optical waveguides fabricated by MeV-energy N+ ion irradiation for telecom applications

    Article • Thin Solid Films, August 2013, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  87. Single- and double energy N+ ion irradiated planar optical waveguides in Er: Tungsten–tellurite oxide glass and sillenite type Bismuth Germanate crystals working up to telecommunications wavelengths

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, July 2013, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  88. Optical Microbubble Resonator: A Novel Structure for Sensing Applications

    Article • June 2013, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  89. Aptamer Based Whispering Gallery Mode Biosensor

    Article • June 2013, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti

  90. Glass-Based Sub-Wavelength Photonic Structures

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  91. Biosensing with microresonators and fibre nanotips

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  92. Front Matter: Volume 8627

    Article • April 2013, SPIE

    Dr Gualtiero Nunzi Conti

  93. Whispering gallery mode aptasensors for detection of blood proteins

    Article • March 2013, SPIE

    Dr Gualtiero Nunzi Conti

  94. Impact of thermal oxidation, surface chemistry and porous silicon morphology for sensing applications

    Article • March 2013, SPIE

    Dr Gualtiero Nunzi Conti

  95. High gain selective amplification in whispering gallery mode resonators: analysis by cavity ring down method

    Article • March 2013, SPIE

    Dr Gualtiero Nunzi Conti

  96. Whispering gallery mode microresonators: results on aptasensors and on a new sensing approach

    Article • March 2013, SPIE

    Dr Gualtiero Nunzi Conti

  97. Tailored spectroscopic and optical properties in rare earth-activated glass-ceramics planar waveguides

    Article • March 2013, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  98. Single- and double-energy N + - irradiated planar waveguides in eulytine and sillenite type BGO crystals

    Article • March 2013, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  99. Structural and optical characterization of ZrO2:CeO2 slab waveguides obtained via sol–gel

    Article • Optical Materials, December 2012, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini, Professor German F de la Fuente

  100. High-gain wavelength-selective amplification and cavity ring down spectroscopy in a fluoride glass erbium-doped microsphere

    Article • Optics Letters, November 2012, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  101. Performance of Eudragit Coated Whispering Gallery Mode Resonator-Based Immunosensors

    Article • Sensors, October 2012, MDPI AG

    Dr Gualtiero Nunzi Conti

  102. Analysis of the feed-forward method for the referencing of a CW laser to a frequency comb

    Article • Optics Express, October 2012, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  103. Whispering Gallery Mode Microresonators for Biosensing

    Article • Advances in Science and Technology, September 2012, Trans Tech Publications

    Dr Gualtiero Nunzi Conti

  104. Formation of slab waveguides in eulytine type BGO and CaF2 crystals by implantation of MeV nitrogen ions

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, September 2012, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  105. Kerr versus thermal non-linear effects studied by hybrid whispering gallery mode resonators [Invited]

    Article • Optical Materials Express, July 2012, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  106. Characterization technique of optical whispering gallery mode resonators in the microwave frequency domain for optoelectronic oscillators

    Article • Applied Optics, July 2012, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  107. Fiber ring laser for intracavity sensing using a whispering-gallery-mode resonator

    Article • Optics Letters, June 2012, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  108. MeV Energy $\hbox{N}^{+}$-Implanted Planar Optical Waveguides in Er-Doped Tungsten-Tellurite Glass Operating at 1.55 $\mu\hbox{m}$

    Article • IEEE Photonics Journal, June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  109. Whispering gallery mode aptasensors for detection of blood proteins

    Article • Journal of Biophotonics, March 2012, Wiley

    Dr Gualtiero Nunzi Conti

  110. Spherical resonators coated by glass and glass-ceramic films

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  111. Neuronal rat cell imaging using a new UV-extended supercontinuum source

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  112. Hybrid microspheres for nonlinear Kerr switching applications

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti

  113. High Q silica microbubble resonators

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  114. Fabrication of barrier-type slab waveguides in Er 3+ -doped tellurite glass by single and double energy MeV N + ion implantation

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  115. Coupling approaches and new geometries in whispering-gallery-mode resonators

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  116. Colorimetric resonant detection of biochemical agents in mesoporous silicon-based photonic crystals

    Article • February 2012, SPIE

    Dr Gualtiero Nunzi Conti

  117. Front Matter: Volume 8264

    Article • January 2012, SPIE

    Dr Gualtiero Nunzi Conti

  118. High Q silica microbubble resonators fabricated by arc discharge

    Article • Optics Letters, September 2011, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  119. Fiber optic nanoprobes for biological sensing

    Article • August 2011, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  120. Characterization of planar waveguides fabricated by multiple sol-gel dip-coatings

    Article • August 2011, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini, Professor German F de la Fuente

  121. Slab optical waveguides in Er3 +-doped tellurite glass by N+ ion implantation at 1.5 MeV

    Article • Optical Engineering, July 2011, SPIE

    Dr Gualtiero Nunzi Conti

  122. WGM microresonators: Light coupling issues and integration perspectives

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  123. Development and optical characterization of vertical tapers in SiON waveguides using gray-scale lithography

    Article • May 2011, SPIE

    Dr Gualtiero Nunzi Conti , Dr Mher Ghulinyan, Professor lorenzo pavesi, dr. Giancarlo C. Righini

  124. Hybrid microspheres for nonlinear Kerr switching devices

    Article • Optics Express, May 2011, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  125. Coupling of angle polished waveguides to high-Q whispering gallery mode resonators

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  126. Characterisation of optical waveguides in BGO crystals fabricated by N+ ion implantation

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  127. Planar coupling to high-Q lithium niobate disk resonators

    Article • Optics Express, February 2011, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  128. Generation of UV and blue light by using off-axis pumping for fluorescence lifetime spectroscopy

    Article • February 2011, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  129. Coupling of lithium niobate disk resonators to integrated waveguides

    Article • February 2011, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  130. Optical Microspherical Resonators for Biomedical Sensing

    Article • Sensors, January 2011, MDPI AG

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  131. Fabrication and characterization of confined structures for sensing and lasing applications

    Article • December 2010, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  132. Interrogation of microresonators using multimode fibers

    Article • September 2010, SPIE

    Dr Gualtiero Nunzi Conti

  133. Spatially localized UV-induced crystallization of SnO 2 in photorefractive SiO 2 -SnO 2 thin film

    Article • April 2010, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  134. Characterisation of slab waveguides, fabricated in CaF 2 and Er-doped tungsten-tellurite glass by MeV energy N + ion implantation, using spectroscopic ellipsometry and m-line spectroscopy

    Article • April 2010, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  135. Polymer-functionalised microspheres for immunosensing applications

    Article • February 2010, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  136. Highly photorefractive Eu 3+ activated sol-gel SiO 2 -SnO 2 thin film waveguides

    Article • February 2010, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  137. Glass-ceramics coating of silica microspheres

    Article • December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  138. Er3+-doped silica–hafnia films for optical waveguides and spherical resonators

    Article • Journal of Non-Crystalline Solids, October 2009, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  139. High-Q polymer-coated microspheres for immunosensing applications

    Article • Optics Express, August 2009, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  140. Spherical whispering-gallery-mode microresonators

    Article • Laser & Photonics Review, July 2009, Wiley

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  141. An alternative method to obtain direct opal photonic crystal structures

    Article • Journal of Non-Crystalline Solids, July 2009, Elsevier

    Dr Luis Fortes, Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  142. Preparation and characterization of ZnO particles embedded in organic–inorganic planar waveguide by sol–gel route

    Article • Journal of Non-Crystalline Solids, July 2009, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  143. Er3+/Yb3+-activated silica-hafnia planar waveguides for photonics fabricated by rf-sputtering

    Article • Journal of Non-Crystalline Solids, July 2009, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  144. Er3+-activated sol–gel silica confined structures for photonic applications

    Article • Optical Materials, July 2009, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  145. Micro resonator stabilization by thin film coating

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  146. Glass-based erbium activated micro-nano photonic structures

    Article • June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  147. Fabrication of channel waveguides in Er3+-doped tellurite glass via N+ ion implantation

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, June 2009, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  148. Er 3+ -activated photonic structures fabricated by sol-gel and rf-sputtering techniques

    Article • May 2009, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  149. Design of erbium-doped microsphere lasers

    Article • May 2009, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  150. Photonic properties and applications of glass micro- and nanospheres

    Article • phys stat sol (a), May 2009, Wiley

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  151. Er3+-activated nanocomposite photonic glasses and confined structures

    Article • Optical Materials, May 2009, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  152. Annealing effect on optical barrier in ion-implanted tellurite glass waveguides

    Article • February 2009, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  153. Erbium-activated silica-hafnia: A reliable photonic system

    Article • December 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  154. Fabrication and Characterization of Silica Opals

    Article • Advances in Science and Technology, September 2008, Trans Tech Publications

    Dr Gualtiero Nunzi Conti

  155. Glass Microspherical Lasers

    Article • Advances in Science and Technology, September 2008, Trans Tech Publications

    Dr Gualtiero Nunzi Conti

  156. Whispering gallery mode spectra of channel waveguide coupled Microspheres

    Article • Optics Express, July 2008, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  157. Fabrication and spectroscopic properties of glass-based erbium activated micro-nano photonic structures

    Article • June 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  158. Preparation and characterization of ZnO particles embedded in organic-inorganic planar waveguide by sol-gel route

    Article • April 2008, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  159. Photonic properties of erbium activated coated microspheres

    Article • February 2008, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  160. Nitrogen-ion-implanted planar optical waveguides in Er-doped tellurite glass: fabrication and characterization

    Article • February 2008, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  161. Nanocomposite Photonic Glasses, Waveguiding Glass Ceramics and Confined Structures Tailoring Er3+ Spectroscopic Properties

    Article • July 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  162. Fabrication by rf-sputtering and diagnostics of Er3+/Yb3+ - activated silicahafnia waveguides

    Article • June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  163. Fabrication of Er3+ active silica direct and inverse opals with high quantum efficiency

    Article • June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  164. Nanocomposite photonic glasses and confined structures optimizing Er 3+ -luminescent properties

    Article • May 2007, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  165. Reproducibility of splicer-based long-period fiber gratings for gain equalization

    Article • Optoelectronics Letters, May 2007, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  166. Er3+-activated silica inverse opals synthesized by the solgel method

    Article • Optoelectronics Letters, May 2007, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  167. Diagnostic techniques for photonic materials based on Raman and Brillouin spectroscopies

    Article • Optoelectronics Letters, May 2007, Springer Science + Business Media

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  168. Silver to erbium energy transfer in phosphate glasses

    Article • Journal of Non-Crystalline Solids, April 2007, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  169. Rare-earth-doped silica-based glasses for photonic applications

    Article • Journal of Non-Crystalline Solids, April 2007, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  170. Erbium activated HfO2 based glass–ceramics waveguides for photonics

    Article • Journal of Non-Crystalline Solids, April 2007, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  171. Design of photonic structures by sol–gel-derived silica nanospheres

    Article • Journal of Non-Crystalline Solids, April 2007, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  172. Ion beam irradiated channel waveguides in Er3+-doped tellurite glass

    Article • Applied Physics Letters, March 2007, American Institute of Physics

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  173. Electric-arc-induced long period fiber gratings for gain equalization of erbium-doped optical amplifiers

    Article • February 2007, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  174. Channel waveguides fabrication in Er 3+ -doped tellurite glass by ion beam irradiation

    Article • February 2007, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  175. Ceramization of erbium activated planar waveguides by bottom up technique

    Article • February 2007, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  176. Tailoring Er3+ spectroscopic properties by nanocomposite photonic glasses and confined structures

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  177. UV photoimprinting of channel waveguides on active SiO2–GeO2 sputtered thin films

    Article • Applied Physics Letters, September 2006, American Institute of Physics

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  178. Optical and spectroscopic properties of soda-lime alumino silicate glasses doped with Er3+ and/or Yb3+

    Article • Optical Materials, August 2006, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  179. Characterization of erbium doped lithium niobate crystals and waveguides

    Article • Optical Materials, August 2006, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  180. Spectroscopic and lasing properties of Er3+-doped glass microspheres

    Article • Journal of Non-Crystalline Solids, July 2006, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  181. Er3+/Yb3+-codoped silica–germania sputtered films: structural and spectroscopic characterization

    Article • Journal of Non-Crystalline Solids, July 2006, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  182. Nanocomposite Er–Ag silicate glasses

    Article • Journal of Optics A Pure and Applied Optics, June 2006, Institute of Physics Publishing

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  183. Homogeneous and nanocomposite rare-earth-activated glasses for photonic devices

    Article • April 2006, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  184. Fabrication and optical assessment of sol-gel-derived photonic bandgap dielectric structures

    Article • April 2006, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini, prof vincenzo m sglavo

  185. Er 3+ activated silica-hafnia glass-ceramics planar waveguides

    Article • April 2006, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  186. Characterization of highly photorefractive and active silica-germania sputtered thin films

    Article • February 2006, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  187. Microspherical resonators for biophotonic sensors

    Article • February 2006, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  188. Optical and spectroscopic properties of a new erbium-doped soda-lime-alumino-silicate glass for integrated optical amplifiers

    Article • January 2006, SPIE

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti

  189. Whispering gallery mode resonators for microlasers and microsensors

    Article • January 2006, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  190. Integrated optical amplifiers and microspherical lasers based on erbium-doped oxide glasses

    Article • Optical Materials, October 2005, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  191. Laser irradiation, ion implantation, and e-beam writing of integrated optical structures

    Article • July 2005, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  192. Spectroscopic assessment of rare-earth activated planar waveguides and microcavities

    Article • Applied Surface Science, July 2005, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  193. Aluminum co-doping of soda-lime silicate glasses: Effect on optical and spectroscopic properties

    Article • Journal of Non-Crystalline Solids, July 2005, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  194. Simple approach to calculate the refractive index profile of ion-exchanged waveguides

    Article • Optical Engineering, May 2005, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  195. The effect of Ca 2+ , Mg 2+ , and Zn 2+ on optical properties of Er 3+ doped silicate glass

    Article • April 2005, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  196. Spectroscopic properties of Er3+-activated Ag-exchanged silicate and phosphate glasses

    Article • April 2005, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  197. Optical and spectroscopic properties of erbium-activated modified silica glass with 1.54 μm high quantum efficiency

    Article • April 2005, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  198. Characterization of a highly photorefractive RF-sputtered SiO2-GeO2 waveguide

    Article • Optics Express, January 2005, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  199. Laser microsphérique en verre phosphate co-dopé erbium ytterbium : couplage avec une cavité externe

    Article • Le Journal de Physique Colloques, November 2004, EDP Sciences

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  200. Microsphere laser in Er3+-doped oxide glasses

    Article • October 2004, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  201. Tm3+-activated transparent oxy-fluoride glass–ceramics: structural and spectroscopic properties

    Article • Journal of Non-Crystalline Solids, October 2004, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  202. Sol–gel-derived Er-activated SiO2–HfO2 planar waveguides for 1.5μm application

    Article • Journal of Non-Crystalline Solids, October 2004, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  203. Rare-earth doped tungsten tellurite glasses and waveguides: fabrication and characterization

    Article • Journal of Non-Crystalline Solids, October 2004, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  204. Erbium-doped silicate glasses for integrated optical amplifiers and lasers

    Article • Journal of Non-Crystalline Solids, October 2004, Elsevier

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  205. Optical spectroscopy of Er 3 + and Ce 3 +-codoped TeO 2 -WO 3 -Na 2 O glasses

    Article • August 2004, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  206. Optical feedback on whispering gallery mode laser: wavelength shifts in erbium-doped microspherical laser

    Article • August 2004, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  207. Microsphere laser in Er 3+ /Yb 3+ -codoped phosphate glass: coupling with an external cavity

    Article • June 2004, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  208. Compact multimode pumped erbium-doped phosphate fiber amplifiers

    Article • Optical Engineering, October 2003, SPIE

    Dr Gualtiero Nunzi Conti

  209. Characterization of ion-exchanged waveguides in tungsten tellurite and zinc tellurite Er3+-doped glasses

    Article • Optical Engineering, October 2003, SPIE

    Dr Gualtiero Nunzi Conti

  210. Sol-gel erbium-doped silica-hafnia planar and channel waveguides

    Article • June 2003, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini, Sidney Ribeiro

  211. Ion-exchanged planar waveguides in different Er 3+ -doped tellurite glasses

    Article • June 2003, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  212. Waveguide distributed Bragg reflector laser arrays in erbium doped glass made by dry Ag film ion exchange

    Article • Optical Engineering, May 2002, SPIE

    Dr Gualtiero Nunzi Conti

  213. Rare-earth-doped glasses and ion-exchanged integrated optical amplifiers and lasers

    Article • Philosophical Magazine B, April 2002, Taylor & Francis

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  214. <title>Strip-loaded structure for ion-exchanged Er3+-doped glass waveguide amplifiers</title>

    Article • April 1999, SPIE

    Dr Gualtiero Nunzi Conti

  215. Birefringence control for ion-exchanged channel waveguides at 1.55-μm wavelength

    Article • March 1999, SPIE

    Dr Gualtiero Nunzi Conti

  216. Germanate glass channel waveguides for infrared waveguide lasers

    Article • January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Gualtiero Nunzi Conti

  217. Birefringence control for ion-exchanged channel glass waveguides

    Article • Applied Optics, December 1998, Optical Society of America (OSA)

    Dr Gualtiero Nunzi Conti

  218. Ag + -Na + exchanged channel waveguidesin germanate glass

    Article • Electronics Letters, November 1998, the Institution of Engineering and Technology (the IET)

    Dr Gualtiero Nunzi Conti

  219. Testing of active optical waveguides obtained by diluted silver exchange in Er-doped soda lime silicate glass

    Article • April 1998, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  220. Development and characterization of a new Er 3+ -doped phosphate glass for planar waveguide lasers and amplifiers

    Article • April 1998, SPIE

    Dr Gualtiero Nunzi Conti

  221. Finite difference mode solver for active optical waveguides

    Article • April 1998, SPIE

    Dr Gualtiero Nunzi Conti , dr. Giancarlo C. Righini

  222. Integrated optical directional couplers: how effective are design and modeling for device production?

    Article • January 1997, SPIE

    dr. Giancarlo C. Righini, Dr Gualtiero Nunzi Conti