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In the present paper, high transmission bit rate of a thermal Arrayed Waveguide Grating (AWG) which is composed of LIthium Niobate (LiNbO3)/PolyMethyl Metha Acrylate (PMMA) hybrid materials on a silicon substrate in Passive Optical Networks (PONs) has parametrically analyzed and investigated over wide range of the affecting parameters. The authors have theoretically investigated the temperature dependent wavelength shift of the Arrayed Waveguide Grating (AWG) depends on the refractive-indices of the materials and the size of the waveguide. A thermalization of the AWG can be realized by selecting proper values of the material and structural parameters of the device.
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