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Ekmel Özbay



Phone: +90 312 290 1966

eMail: ozbay[at]bilkent.edu.tr

Professor, Ph.D.: Electrical Engineering, Stanford University, 1992

Web Site

Metamaterials and left-handed materials, photonic band gap materials, GaN based nanophotonic devices, high speed optoelectronic devices, high performance semiconductor laser diode, GaN MOCVD epitaxial growth, physics and applications of nanostructures, micro electro-mechanical devices, ultrafast phenomena, quantum optics.

Selected Publications

  • K.B. Alici, A.E. Serebryannikov, E. Ozbay, “Radiation Properties and Coupling Analysis of a Metamaterial Based, Dual Polarization, Dual Band, Multiple Split Ring Resonator Antenna,” J of Electromagnetic Waves and Applications, vol. 24, pp. 1183-1193 (2010)
  • K.B. Alici, F. Bilotti, L. Vegni, E. Ozbay, “Experimantal verification of metamaterial based subwavelength microwave absorbers,” J Applied Physics, vol. 108, pp. 083113-1–6 (2010) (PDF)
  • K.B. Alici, E. Ozbay, “Metamaterial inspired enhanced far-field transmission through a subwavelength nano-hole,” Physica Status Solidi Rapid Research Letters, vol. 4, pp. 286-288 (2010)
  • K.B. Alici, E. Ozbay, “Theoretical Study and Experimental Realization of a Low-Loss Metamaterial Operating at the Millimeter-Wave Regime: Demonstrations of Flat- and Prism-Shaped Samples,” IEEE J of Selected Topics in Quantum Electronics, vol. 16, pp. 386-393 (2010) (PDF)
  • K.B. Alici, A.E. Serebryannikov, E. Ozbay, “Photonic magnetic metamaterial basics,” Photonics and Nanostructures, vol. , pp. (2010)
  • E. Arslan, Y. Safak, I. Tascioglu, H. Uslu, E. Ozbay, “Frequency and temperature dependence of the dielectric and AC electrical conductivity in (Ni/Au)/AlGaN/AIN/GaN heterostructures,”Microelectronic Engineering, vol. 87, pp. 1997-2001 (2010)
  • E. Arslan, S. Butun, Y. Safak, E. Ozbay, “Investigation of Trap States in AllnN/AIN/GaN Heterostructures by Frequency-Dependent Admittance Analysis,” J of Electronic Materials, vol. 39, pp. 2681-2686 (2010)
  • E. Arslan, Y. Safak, S. Altindal, O. Kelekci, E. Ozbay, “Temperature dependent negative capacitance behavior in (Ni/Au)/AlGaN/AıN/GaN heterostructures,” J of Non-crystalline Solids, vol. 356, pp. 1006-1011 (2010)
  • D. Ates, A.O. Cakmak, E. Colak, R. Zhao, C.M. Soukoulis, E. Ozbay, “Transmission enhancement through deep subwavelength apertures using connected split ring resonators,” Optics Express, vol. 18, pp. 3952-3966 (2010) (PDF)
  • H. Caglayan, S. Cakmakyapan, S.A. Addae, M.A. Pinard, D. Caliskan, K. Aslan, E. Ozbay, “Ultrafast and sensitive bioassay using split ring resonator structures and microwave heating,”Applied Physics Letters, vol. 97, pp. 093701-1–3 (2010) (PDF)