ER3+ doped boro-tellurite glasses for 1.5 μm broadband...

Details ER3+ doped boro-tellurite glasses for 1.5 μm broadband... ER3+ doped boro-tellurite glasses for 1.5 μm broadband...

2005-02-22

2005-02-22

Palmer, Phan T. H. (Department: 2874)

Optical waveguides

Having particular optical characteristic modifying chemical...

Of waveguide core

C385S141000

Reexamination Certificate

active

06859606

ABSTRACT:
A tellurite-based glass composition for use in EDFAs exhibits higher phonon energy without sacrificing optical, thermal or chemical durability properties. The introduction of boron oxide (B2O3) into the Er3+-doped tellurite glasses increases the phonon energy from typically 785 cm−1up to 1335 cm−1. The inclusion of additional glass components such as Al2O3has been shown to enhance the thermal stability and particularly the chemical durability of the boro-tellurite glasses. Er:Yb codoping of the glass does further enhance its gain characteristics.

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