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Zervas, Michalis N.
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Whispering gallery mode resonances in thermally poled borosilicate glass hetero-fiberscitations
- 2021Whispering gallery mode resonances in thermally poled borosilicate glass optical microcavities
- 2019Design and implementation of fiber-embedded plasmonic structures in microwires
- 2018All-fiber plasmonic platform based on hybrid composite metal/glass microwirescitations
- 2016Robust plasmonic tips fabricated by the tapering of composite hybrid silicate microfibers with metallic core
- 2015Novel angle-resolved interrogation method for double-clad doped fibers and high-power fiber laser components
- 2014High power ytterbium-doped fiber lasers - fundamentals and applicationscitations
- 2011Integrated Nd-doped borosilicate glass microsphere lasercitations
- 2011A compact broadband microfiber Bragg gratingcitations
- 2010Position-dependent coupling between a channel waveguide and a distorted microsphere resonatorcitations
- 2010Chalcogenide glass microsphere lasercitations
- 2009Chalcogenide glass microspheres and their applications
- 2006Control of coupling between waveguides and microsphere resonators
- 2004UV inscription of sub-micron periodic structures in "hard" optical materials and waveguides
- 2001Gratings in indium oxide film overlayers on ion-exchanged waveguides by excimer laser micromachiningcitations
- 2000Relief gratings on Er/Yb-doped borosilicate glasses and waveguides by excimer laser ablationcitations
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article
Chalcogenide glass microsphere laser
Abstract
Laser action has been demonstrated in chalcogenide glass microsphere. A sub millimeter neodymium-doped gallium lanthanum sulphide glass sphere was pumped at 808 nm with a laser diode and single and multimode laser action demonstrated at wavelengths between 1075 and 1086 nm. The gallium lanthanum sulphide family of glass offer higher thermal stability compared to other chalcogenide glasses, and this, along with an optimized Q-factor for the microcavity allowed laser action to be achieved. When varying the pump power, changes in the output spectrum suggest nonlinear and/or thermal effects have a strong effect on laser action.