Abstract
Based on a photonic-crystal slab structure, a 60° photonic-crystal waveguide bend is successfully fabricated. Its bending efficiency within the photonic bandgap is measured, and near 100% efficiency is observed at certain frequencies near the valence band edge. The bending radius is at a wavelength of . The measured spectrum also agrees well with a finite-difference time-domain simulation.
© 2001 Optical Society of America
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