Irfan Bulu [irfan@seas]

Irfan Bulu was born in 17 June 1977, in Turkey. He received a BS degree in physics in 2001 from Bilkent University. He was rewarded full scholarship for an M.S degree in 2001. In 2003, He received an M.S degree in physics. His M.S thesis was concentrated on Radiation Properties of Sources Inside Photonic Crystals. In 2003, he was rewarded full scholarship for a Ph.D degree in physics by Bilkent University. His graduate study involves Photonic Crystals, Metamaterials, and Surface Plasmon Phenomena. Irfan Bulu authored/co-authored more than 30 SCI journal publications in respected scientific journals such as Physical Review B, Applied Physics Letters, Optics Letters.

Publications

    [-2007-]


  • Koray Aydin, Irfan Bulu, and Ekmel Ozbay, "Subwavelength resolution with a negative-index metamaterial superlens," Appl. Phys. Lett. 90, 254102 (2007).

    • [-2006-]


  • (INVITED) E. Ozbay, Irfan Bulu, and Humeyra Caglayan, "Transmission, refraction, and focusing properties of one, two, and three dimensional labyrinth based left-handed metamaterials," (To Be Published Physica Status Solidi B)
  • Irfan Bulu, Humeyra Caglayan, Koray Aydin, and Ekmel Ozbay, “Study of the field emitted by a source placed inside a two dimensional left-handed metamaterial,” (To Be Published Optics Letters)
  • E Ozbay, Koray Aydin, Irfan Bulu and Kaan Guven, “Negative refraction, subwavelength focusing and beam formation by photonic crystals,” Journal of Physics D: Applied Physics (in press).
  • Koray Aydin, Irfan Bulu, and Ekmel Ozbay “Electromagnetic wave focusing from sources inside a two-dimensional left-handed material superlens,” New Journal of Physics, volume 8, 221 (2006).
  • Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay “Designing materials with desired electromagnetic properties,” IEEE Microwave and Optical Technology Letters, volume 48, 2611(2006).
  • Koray Aydin, Irfan Bulu, and Ekmel Ozbay “Verification of impedance matching at the surface of left-handed materials,” IEEE Microwave and Optical Technology Letters, volume 48, 2548(2006).
  • Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Plasmonic structures with extraordinary transmission and highly directional beaming properties,” IEEE Microwave and Optical Technology Letters, volume 48, 2491(2006).
  • (INVITED) Ekmel Ozbay, Irfan Bulu, Kaan Guven, Humeyra Caglayan, and Koray Aydin, “Observation of Negative Refraction and Focusing in Two-Dimensional Photonic Crystals,” Japanese Journal of Applied Physics, Vol. 45, 6064 (2006).
  • M. Gokkavas, K. Guven, I. Bulu, K. Aydin, R.S. Penciu, M. Kafesaki, C.M. Soukoulis, and E. Ozbay, “Experimental demonstration of a left-handed metamaterial operating at 100 GHz,” Physical Review B, vol. 73, 193103 (2006).

    • [-2005-]


  • S. Sena Akarca-Biyikli, Irfan Bulu, and Ekmel Ozbay, “Resonant excitation of surface plasmons in one-dimensional metallic grating structures at microwave frequencies,” J. Opt. A: Pure Appl. Opt., vol. 7, 159 (2005).
  • Ekmel Ozbay, Irfan Bulu, Koray Aydin, Humeyra Caglayan, K. Bora Alici, and Kaan Guven, “Highly Directive Radiation and Negative Refraction Using Photonic Crystals,” Laser Physics Journal, Vol. 15, 217 (2005).
  • H. Caglayan, I. Bulu, and E. Ozbay, "Extraordinary grating-coupled microwave transmission through a subwavelength annular aperture," Opt. Express 13, 1666-1671 (2005).
  • I. Bulu, H. Caglayan, and E. Ozbay, "Negative refraction and focusing of electromagnetic waves by metallodielectric photonic crystals ", Phys. Rev. B 72, 045124 (2005).
  • K Aydin, I Bulu, K Guven, M Kafesaki, C M Soukoulis and E Ozbay, "Investigation of magnetic resonances for different split ring resonator parameters and designs ", New Journal of Physics 7, 168 (2005).
  • Irfan Bulu, Humeyra Caglayan, and E Ozbay, "Beaming of Light and Enhanced Transmission via Surface Modes of Photonic Crystals ", Optics Letters 30, 3078 (2005).
  • Humeyra Caglayan, Irfan Bulu, and E Ozbay, "Highly directional enhanced radiation from sources embedded inside three-dimensional photonic crystals", Optics Express 13, 7645 (2005).
  • Irfan Bulu, H Caglayan, K Aydin and E Ozbay , "Compact size highly directive antennas based on SRR metamaterial medium", New Journal of Physics 7, 223 (2005).
  • Koray Aydin, Irfan Bulu, and Ekmel Ozbay , "Focusing of electromagnetic waves by a left-handed metamaterial flat lens", Optics Express 13, 8753 (2005).
  • Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay , "Experimental demonstration of labyrinth-based left-handed metamaterials", Optics Express 13, 10238 (2005).
  • Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay , "Experimental Demonstration of Sub-wavelength Focusing of Electromagnetic Waves by Labyrinth Based Two-Dimensional Metamaterials", Optics Letters, vol. 31, 814 (2006).
  • Humeyra Caglayan, Irfan Bulu, and E Ozbay, "Beaming of electromagnetic waves emitted through a subwavelength annular aperture", Journal of Optical Society of America B. 23, p. 419 (2006).

    • [-2004-]


  • "Enhanced transmission of microwave radiation in one-dimensional metallic gratings with subwavelength aperture", S. Sena Akarca-Biyikli, Irfan Bulu, and Ekmel Ozbay, Appl. Phys. Lett. 85, 1098 (2004).
  • Ekmel Ozbay, Irfan Bulu, Koray Aydin, Humeyra Caglayan, and Kaan Guven, "Physics and applications of photonic nanocrystals", International Journal of Nanotechnology, vol. 1, 379 (2004).
  • Ekmel Ozbay, Irfan Bulu, Koray Aydin, Humeyra Caglayan, and Kaan Guven, "Physics and applications of photonic crystals", Photonics and Nanostructures, vol. 2, 87 (2004).

    • [-2003-]


  • "Highly directive radiation from sources embedded inside photonic crystals", Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay, Appl. Phys. Lett. 83, 3263 (2003).
  • "Radiation properties of sources inside photonic crystals", Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay, Phys. Rev. B 67, 05103 (2003).

    • [-2002-]


  • "Investigation of localized coupled-cavity modes in two-dimensional photonic band gap structures", Mehmet Bayindir, I. Bulu, E. Cubukcu, and E. Ozbay IEEE Journal of Quantum Electronics, (2002).

    • [-2001-]


  • "Photonic band gap effect, localization, and waveguiding in two-dimensional Penrose lattice", Mehmet Bayindir, E. Cubukcu, I. Bulu, and E. Ozbay Physical Review B, volume 63, No 161104(R) (2001).
  • "Photonic band gaps, defect characteristics, and waveguiding in two-dimensional disordered dielectric and metallic photonic crystals", Mehmet Bayindir, E. Cubukcu, I. Bulu, T. Tut, E. Ozbay, and C. M. Soukoulis Physical Review B, volume 64, No 195113 (2001).
  • "Photonic band gaps and localization in two-dimensional metallic quasicrystals", Mehmet Bayindir, E. Cubukcu, I. Bulu, and E. Ozbay Europhysics Letters, volume 56, page 41 (2001).