Properties of Ge_xAs_ySe_1-x-y glasses for all-optical signal processing | Zendy

A. Arun Prasad | Zendy; Congji Zha | Zendy; Rongping Wang | Zendy; Anita Smith | Zendy; Steve Madden | Zendy; Barry LutherDavies | Zendy

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Properties of Ge_xAs_ySe_1-x-y glasses for all-optical signal processing

Author(s) -

A. Arun Prasad,

Congji Zha,

Rongping Wang,

Anita Smith,

Steve Madden,

Barry LutherDavies

Publication year - 2008

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.16.002804

Subject(s) - chalcogenide , germanium , materials science , optics , chalcogenide glass , refractive index , band gap , optoelectronics , physics , silicon

We present a systematic study of Ge(x)As(y)Se(1-x-y) bulk chalcogenide glasses to determine the best composition for fabricating all-optical devices. The dependence of physical parameters such as the band-gap, glass transition temperature and third order optical nonlinearity (n(2)) on composition has been studied and a relation between the bond-structure and elevated linear loss levels in high Germanium glasses has been identified. It is found that glasses with 11<x<13 % are most suitable for all-optical devices.

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