Modern optics and photonics : atoms and structured media / by International Advanced Research Workshop on "Modern Problems in Optics and Photonics" (2009 : Yerevan, Armenia), Kryuchkyan, Gagik Yu, Gurzadian, G. G. (Gagik Grigorevich), 1957-, Papoyan, Aram V., Erevani Petakan Hamalsaran. Fizikayi Fakultet