title: Electromagnetic waves: Negative refraction by photonic crystals.
authors.affiliation: Department of Physics, Bilkent University, Bilkent, 06533 Ankara, Turkey. cubukcu@fen.bilkent.edu.tr
authors.forename: Ertugrul
authors.initials: E
authors.lastname: Cubukcu
authors.forename: Koray
authors.initials: K
authors.lastname: Aydin
authors.forename: Ekmel
authors.initials: E
authors.lastname: Ozbay
authors.forename: Stavroula
authors.initials: S
authors.lastname: Foteinopoulou
authors.forename: Costas M
authors.initials: CM
authors.lastname: Soukoulis