Air Trenches for Sharp Silica Waveguide Bends

@inproceedings{Popovi2001AirTF,
  title={Air Trenches for Sharp Silica Waveguide Bends},
  author={Milo{\vs} Popovi{\'c} and Kazumi Wada and Shoji Akiyama and Hermann A. Haus and J{\"u}rgen Michel},
  year={2001}
}
Air trench structures for reduced-size bends in lowindex contrast waveguides are proposed. To minimize junction loss, the structures are designed to provide adiabatic mode shaping between lowand high-index contrast regions, which is achieved by the introduction of “cladding tapers.” Drastic reduction in effective bend radius is predicted. We present two-dimensional (2-D) finite-difference time-domain/effective index method simulations of bends in representative silica index contrasts. We also… CONTINUE READING
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