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Polarization-Dependent Amplification in Planar Waveguides

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Abstract

We model a planar waveguide with an anisotropic active layer (i.e. with permittivity ϵ. a tensor) by using a scattering approach. The anisotropy of the permittivity can e.g. arise through the presence of strained quantum wells. It is calculated how much anisotropy is needed to get. a gain that is polarisation-independent.

© 1996 IEEE

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