Abstract
A novel two-dimensional photonic crystal slab waveguide based on an antiresonant
reflecting optical waveguide (ARROW) structure is proposed and designed. Lightwaves
propagating in this waveguide are confined by antiresonance reflection vertically and
the photonic band gap laterally. In order to obtain the characteristics of the
ARROW-based photonic crystal waveguides, the three-dimensional finite-difference
time-domain simulations are performed. With a lateral adiabatic taper, a coupling
efficiency of 80.3% from a single-mode fiber to the ARROW-based photonic crystal
waveguide of a single-line defect is obtained. In addition, propagation losses less than
10 dB/mm and bend losses of 0.23 and 0.39 dB/bend for the designed 60$^{\circ}$ and
120$^{\circ}$ bends are achieved at an operating wavelength of $1.55~\mu{\hbox {m}}$.
© 2009 IEEE
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