Abstract With the development of optical communications， Light-emitting materials used for the amplifier
used in optical communication and amplifier requirements more and more and more demanding． In optical
communication systems，due to the structure of the rare earth-doped fiber amplifier makes it impossible to be
integrated，people began to consider the development of planar erbium doped waveguide amplifier ( EDWA) ．It
is use of optical waveguides doped rare earth erbium ions to achieve stimulated emission pumping light under．
Of Y3+，Yb3+，and of Er3+ co-doped Al2O3 powders，an attempt to increase of Er3+ in the matrix dispersion and
uniformity．Reduce the photon quenching centers in the material of the erbium －doped ions concentration， to
study the modulation of different concentrations of Yb3+ co-doped material microstructure． And luminescent
properties of Al2O3 were investigated， in order to obtain excellent performance of the alumina
luminous materials．
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Published: 25 March 2018
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