Abstract
Crosstalk reduction using tapered intersecting waveguides has been proposed and demonstrated experimentally. The crosstalk with a small intersection angle of up to 20° was theoretically investigated, by applying coupled mode theory. Experimental results show that the crosstalks between wide taper intersecting waveguides with the angles of 13 to 20° are decreased with respect to the crosstalk of the intersecting linear waveguide.
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Kobayashi, Y., Tsuda, H. Crosstalk Reduction Using Tapered Intersecting Waveguides. OPT REV 12, 387–390 (2005). https://doi.org/10.1007/s10043-005-0387-1
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DOI: https://doi.org/10.1007/s10043-005-0387-1