Chalcogenide glass microspheres: their production characterization and potential

Elliott, Gregor R., Hewak, Daniel W., Murugan, G.S. and Wilkinson, James S. (2007) Chalcogenide glass microspheres: their production characterization and potential. Optics Express, 15, (26), 17542-17553. (doi:10.1364/OE.15.017542).


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Micro-resonators have attracted considerable attention as a potential geometry for photonic devices used in multiplexing, memory and switching. These all-optical-resonators allow light at certain wavelengths to build up in intensity allowing nonlinear effects to be seen for much lower input power than in a bulk material. We report here on microspheres made from gallium-lanthanum-sulphide glass. Spheres have been produced with diameters from less than 1?m up to 450µm, and we demonstrate a first measured quality factor of 8x10^4 at 1.55µm, for a chalcogenide sphere diameter of 100µm. We also predict an ultimate Q of up to 4x10^10 at 3µm.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/OE.15.017542
ISSNs: 1094-4087 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 50680
Accepted Date and Publication Date:
11 December 2007Published
Date Deposited: 13 Mar 2008
Last Modified: 23 Sep 2016 20:44
Integrated Microsphere Planar Lightwave Circuits
Funded by: EPSRC (GR/S96500/01)
1 December 2004 to 31 October 2009

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