Design of a high transmission Y-junction in photonic crystal waveguides

  • Yang W
  • Chen X
  • Shi X
 et al. 
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Abstract

A new high transmission Y-junction based on two-dimensional photonic crystal waveguides of triangular lattice is designed. The Y-junction is designed by moving the corner rods of Y-junction into a resonant cavity and placing additional rods between the resonant cavity and the output waveguides. By changing the radius of the additional rods, the transmission coefficient of the Y-junction can be optimized. The coupled mode theory is used to explain the transmission properties. Two-dimensional numerical simulation is performed to verify the Y-junction structure with near-complete transmission. © 2010 Elsevier B.V. All rights reserved.

Author-supplied keywords

  • Photonic crystal
  • Transmission and absorption

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Authors

  • W. Yang

  • X. Chen

  • X. Shi

  • W. Lu

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