TY - JOUR T1 - Directivity enhancement and deflection of the beam emitted from a photonic crystal waveguide via defect coupling A1 - Guven, K. A1 - Ozbay, E. JA - Optics Express Y1 - 2007 VL - 15 SP - 14973 EP - 14978 N1 - 14.11.2011 M2 - doi: 10.1364/OE.15.014973 ER -