A method for converting electromagnetic (EM) energy between guided modes of a photonic crystal waveguide having a waveguide axis, the method including: (i) providing the photonic crystal waveguide with a mode coupling segment comprising at least one bend in the waveguide axis, wherein during operation...http://www.google.es/patents/US6563981?utm_source=gb-gplus-sharePatente US6563981 - Electromagnetic mode conversion in photonic crystal multimode waveguides
Electromagnetic mode conversion in photonic crystal multimode waveguides
