"Heavy" and "light" photon bands induced by symmetry in a linear array of Sagnac reflectors

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Abstract

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.

Original languageEnglish
Article number102707
JournalOptical Engineering
Volume53
Issue number10
DOIs
StatePublished - Oct 2014

Keywords

  • coupled resonators
  • integrated optics
  • slow light

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