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In this work we study the two-dimensional (2D) multimode interference and self-imaging in a dielectric optical waveguide. The studied waveguide is assumed to be multimode in both the transverse directions x and y. The conditions required for single and multiple image formations are developed. New types of image are also found. The obtained results are verified using a three-dimensional FDBPM technique. Applications of the 2D interference in waveguides for 2D optical power splitting are also investigated.
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Khalil et al. (2003) studied this question.
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