Abstract:In this paper, we design and demonstrate polymer-based polarization dependence beam splitters realized with graded-index (GI) parabolic directional couplers at 1550 nm. We investigate these directional couplers by using the beam propagation method (BPM) and the RSoft CAD BeamPROP solver is used for model design and characterization. We investigate the splitting ratio of 50:50 and 100:0 of these beam splitters for both TE and TM modes. In particular, the 50:50 beam splitters exhibit an output efficiency of 95% … Show more
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