The band structure of a modified parallel-coupled-microring waveguide incorporating a directional coupler in each unit cell is studied. The dispersion relation splits into fast and slow bands determined by the symmetry of the Bloch waves.
© 2006 Optical Society of America
J. Scheuer, "Symmetry Induced "Heavy" and "Light" Photons in Modified Parallel-Coupled Microrings Waveguides," in Slow and Fast Light, Technical Digest (CD) (Optical Society of America, 2006), paper TuD4.
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