Chalcogenide glass microspheres; their production, characterization and potential | Zendy

G. Elliott | Zendy; Daniel W. Hewak | Zendy; Ganapathy Senthil Murugan | Zendy; James S. Wilkinson | Zendy

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Chalcogenide glass microspheres; their production, characterization and potential

Author(s) -

G. Elliott,

Daniel W. Hewak,

Ganapathy Senthil Murugan,

James S. Wilkinson

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.017542

Subject(s) - chalcogenide glass , materials science , resonator , chalcogenide , optics , wavelength , q factor , optoelectronics , whispering gallery wave , refractive index , photonics , physics

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 mum up to 450 microm, and we demonstrate a first measured quality factor of 8x10(4) at 1.55 microm, for a chalcogenide sphere diameter of 100 microm. We also predict an ultimate Q of up to 4x10(10) at 3 microm.

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