Humeyra Caglayan is a Ph.D. student in Nanotechnology Research Center and Physics Department at Bilkent University She graduated from Physics Department of Bilkent University, Turkey in 2003. She obtained her Ms. in 2005 from the same department in the supervisor of Prof. Dr. Ekmel Ozbay. Her research is on surface plasmons, photonic crystals, and left-handed materials. She has around 15 publications in refereed journals and conference proceedings.