4.5 Article

Transmission characteristics of various bent periodic dielectric waveguides

Journal

OPTICAL AND QUANTUM ELECTRONICS
Volume 40, Issue 9, Pages 633-643

Publisher

SPRINGER
DOI: 10.1007/s11082-008-9251-4

Keywords

Periodical dielectric waveguide (PDWG); Finite-difference time-domain (FDTD) method

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The transmission characteristics of various bent periodical dielectric waveguides (PDWGs) are analyzed by the finite-difference time-domain (FDTD) method in this work. The bending structures include a conventional 90 abrupt bend, a 90transitional bend, and 90 circular arcs with different quantized radii of curvatures. The simulation results can make us to design a suitable bent PDWG in the photonic circuits.

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