Broadband photonic crystal waveguide 60� bend obtained utilizing topology optimization | Zendy

Lars H. Frandsen | Zendy; Anders Harpøth | Zendy; P.I. Borel | Zendy; M. Kristensen | Zendy; Jakob S. Jensen | Zendy; Ole Sigmund | Zendy

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Broadband photonic crystal waveguide 60� bend obtained utilizing topology optimization

Author(s) -

Lars H. Frandsen,

Anders Harpøth,

P.I. Borel,

M. Kristensen,

Jakob S. Jensen,

Ole Sigmund

Publication year - 2004

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.005916

Subject(s) - optics , broadband , planar , photonic crystal , finite difference time domain method , polarization (electrochemistry) , photonic integrated circuit , materials science , coupled mode theory , waveguide , bandwidth (computing) , optoelectronics , physics , refractive index , computer science , telecommunications , chemistry , computer graphics (images)

Topology optimization has been used to design a 60 degrees bend in a single-mode planar photonic crystal waveguide. The design has been realized in a silicon-on-insulator material and we demonstrate a record-breaking 200-nm transmission bandwidth with an average bend loss of 0.43+/-0.27 dB for the TE polarization. The experimental results agree well with 3D finite-difference-time-domain simulations.

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