Elimination of cross-talk in waveguide intersections of triangular lattice photonic crystals Kwon, Soon-Hong ; Kamp, Martin ; Forchel, Alfred ; Seo, Min-Kyo ; Lee, Yong-Hee Abstract Publication: Optics Express Pub Date: July 2008 DOI: 10.1364/OE.16.011399 Bibcode: 2008OExpr..1611399K