Proceedings PaperSimulation and design of integrated optical waveguide devices by the BPM
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The Beam Propagation Method (BPM) combined with the Effective Index Method (EIM) has been used to simulate and design the performances of planar integrated optical waveguide devices. To achieve high performances of optical devices, design optimization is very important. For accurate simulations and designs, detailed information on the characteristics of slab and channel guides made in specific substrates must be known in relation to their fabrication conditions since these simple waveguides often form the basic units in more complicated waveguide structures used in devices. This paper will discuss the characterization and modelling procedures of such waveguides, and then present the methodology of design optimization of waveguide devices, employing the BPM. Several illustrative examples will be given.