Photonic crystal waveguide and method of its use

摘要

The present invention provides a planar waveguide device including an optical input region, an optical output region and a photonic bandgap region between the optical input region and the optical output region. Optical signals are coupled from the input region into guided Bloch modes in the photonic bandgap region and are subsequently coupled from the photonic bandgap region into the output region. The photonic bandgap region can provide a variety of different optical processing functions. <IMAGE>