Topology optimised photonic crystal waveguide intersections with high-transmittance and low crosstalk

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Topology optimised photonic crystal waveguide intersections with high-transmittance and low crosstalk

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Numerical and experimental studies on the photonic crystal waveguide intersection based on the topology optimisation design method are reported and the effectiveness of this technique is shown by achieving high transmittance spectra with low crosstalk for the straightforward beam-propagation line in the intersection.

Inspec keywords: integrated optics; optical waveguide components; optical crosstalk; photonic crystals

Other keywords: topology optimisation; crosstalk; beam propagation line; transmittance spectra; photonic crystal waveguide intersection

Subjects: Integrated optics; Optical waveguides and couplers; Integrated optics; Optical waveguides; Photonic bandgap materials

References

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      • L.H. Frandsen . Broadband photonic crystal waveguide 60° bend obtained utilizing topology optimization. Opt. Express , 24 , 5916 - 5921
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      • S.G. Johnson . Elimination of cross talk in waveguide intersections. Opt. Lett. , 23 , 1855 - 1857
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      • S. Lan , H. Ishikawa . Broadband waveguide intersections with low cross talk in photonic crystal circuits. Opt. Lett. , 17 , 1567 - 1569
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      • H. Nakamura . Ultra-fast photonic crystal/quantum dot all-optical switch for future photonic networks. Opt. Express , 26 , 6606 - 6614
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