Lasing properties of Er3+ activated SiO2-HfO2 coated microspheres

Davor Ristić; Andrea Chiappini; Maurizio Mazzola; Patrice Féron; Hrvoje Gebavi; Daniil Zhivotkov; Mile Ivanda; Maurizio Ferrari

doi:10.1117/12.2306773

17 May 2018 Lasing properties of Er³⁺ activated SiO₂-HfO₂ coated microspheres

Davor Ristić, Andrea Chiappini, Maurizio Mazzola, Patrice Féron, Hrvoje Gebavi, Daniil Zhivotkov, Mile Ivanda, Maurizio Ferrari

Author Affiliations +

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 106830G (2018) https://doi.org/10.1117/12.2306773
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

Optical microresonators are a very promising component for use in optoelectronics. They have very high quality factors and low mode volumes which makes them suitable for many applications such as lasing, sensing or non-linear optics. We will present our work on microspheres coated with sol-gel Er³⁺ activated 70SiO₂ - 30HfO₂. In particular the lasing properties of such microspheres will be presented. Different coating thicknesses will be employed and the peak lasing power will be discussed in respect to the coating thickness. The lasing peaks will be identified in respect to the radial and azimuthal numbers of the whispering gallery modes and the assignments will be discussed in terms of mode selectivity.

Conference Presentation

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Davor Ristić, Andrea Chiappini, Maurizio Mazzola, Patrice Féron, Hrvoje Gebavi, Daniil Zhivotkov, Mile Ivanda, and Maurizio Ferrari "Lasing properties of Er³⁺ activated SiO₂-HfO₂ coated microspheres", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106830G (17 May 2018); https://doi.org/10.1117/12.2306773

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