Dispersion Characteristics of Waveguide Arrays in Optical Spectrum Analyzers |
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Authors: | T K Chekhlova S E Guerra Itas A G Timakin |
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Institution: | (1) Department of Radiophysics, Russian People's Friendship University, Ul. Miklukho-Maklay 6, Moscow, 117198, Russia |
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Abstract: | Formulas for calculating the spectral characteristics of waveguide arrays, which are incorporated into waveguide spectrum analyzers based on planar waveguides, channel waveguides, and fiber optical waveguides, are derived taking into account the contribution of both the waveguide dispersion and the material dispersion to the dispersion factor. These formulas are used to study the dependence of the dispersion factor on the waveguide-system parameters for specific models of waveguide arrays. It is shown that consideration of contributions of the waveguide dispersion and material dispersion can affect profoundly the spectral characteristics of waveguide arrays. |
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Keywords: | multipltxer/demultiplexer waveguide array grating material dispersion waveguide dispersion spectral resolution |
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