SCI Papers and SCI citations

2008: 33 SCI papers, 763 SCI citations

2007: 32 SCI papers, 669 SCI citations

2006: 27 SCI papers, 526 SCI citations

2005: 22 SCI papers, 463 SCI citations

 

2009

192

Engin Arslan, Mustafa K. Ozturk, Suleyman Ozcelik, and Ekmel Ozbay, “The effect of SixNy interlayer on the quality of GaN epitaxial layers grown on Si(111) substrates by MOCVD” Current Applied Physics volume 9, 472 (2009).

 

2008

191

K. Guven, E. Saenz, R. Gonzalo, E. Ozbay and S. Tretyakov, “Electromagnetic cloaking with canonical spiral inclusions,” New Journal of Physics, Electromagnetics, volume 10, 115037 (2008).

190

Piotr Caban, Kinga Kosciewicz, Wlodek Strupinski, Marek Wojcik, Jaroslaw Gaca, Jan Szmidt, Mustafa Ozturk, Ekmel Ozbay, and Ekmel Ozbay, “The influence of substrate surface preparation on LP MOVPE GaN epitaxy on differently oriented 4H-SiC substrates” Journal of Crystal Growth, volume 310, 4876 (2008).

189

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Cavity formation in split ring resonators” Photonics and Nanostructures, volume 6, 200 (2008).

188

Hamza Kurt, Evrim Colak, Ozgur Cakmak, Humeyra Caglayan, and Ekmel Ozbay “The focusing effect of graded index photonic crystals” Applied Physics Letters, volume 93, 171108 (2008).

187

Humeyra Caglayan, and Ekmel Ozbay “Surface wave splitter based on metallic gratings with sub-wavelength aperture” Optics Express volume 16, 19091 (2008).

186

R. S. Penciu, K. Aydin, M. Kafesaki, Th. Koschny, E. Ozbay, E. N. Economou, and C. M. Soukoulis, “Multi-gap individual and coupled split-ring resonator structures” Optics Express volume 16, 18131 (2008).

185

Z. Tekeli, S. Altındal, M. Çakmak, S. Özçelik, and E. Ozbay “The profile of temperature and voltage dependent series resistance and the interface states in (Ni/Au)/Al0.3Ga0.7N/AlN/GaN heterostructures,” Microelectronic Engineering, volume 85, 2316 (2008).

184

E. Saenz, I. Semchenko, S. Khakhomov, K. Guven, R. Gonzalo, E. Ozbay, and S. Tretyakov, “Modeling of Spirals with Equal Dielectric, Magnetic, and Chiral Susceptibilities,” Electromagnetics, volume 28, 476-493 (2008).

183

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Off-axis beaming from subwavelength apertures” Journal of Applied Physics, volume 104, 073108 (2008).

182

Humeyra Caglayan, Irfan Bulu, Marko Loncar, and Ekmel Ozbay “Observation of coupled-cavity structures in metamaterials” Applied Physics Letters, volume 93, 121910 (2008).

181

Alfredo A. Martinez-Morales, Nathaniel G. Portney, Yu Zhang, Giuseppe Destito, Gurer Budak, Ekmel Ozbay, Marianne Manchester, Cengiz S. Ozkan, and Mihrimah Ozkan “Synthesis and Characterization of Iron Oxide Derivatized Mutant Cowpea Mosaic Virus Hybrid Nanoparticles,” Advanced Materials, volume 20, 1 (2008).

180

S.B. Lisesivdin, S. Acar, M. Kasap, S Ozcelik, S. Gokden, and E. Ozbay “Growth parameter investigation of Al0.25Ga0.75N/GaN heterostructures with Hall effect measurements heterostructures,” Semiconductor Science and Technology,  volume 23, 095008 (2008).

179

Zhaofeng Li, Koray Aydin and Ekmel Ozbay, “Wide bandwidth directional beaming via waveguide ports in photonic crystals,” Journal of Physics D vol. 41, 155115 (2008).

178

Engin Arslan, Mustafa K Ozturk, Ali Teke, Suleyman Ozcelik, and Ekmel Ozbay, “Buffer optimization for crack-free GaN epitaxial layers grown on Si(111) substrate by MOCVD,” Journal of Physics D vol. 41, 155317 (2008).

177

Humeyra Caglayan, Irfan Bulu, Marko Loncar, and Ekmel Ozbay “Experimental observation of cavity formation in composite metamaterials” Optics Express volume 16, 11132 (2008).

176

Ekmel Ozbay, Zhaofeng Li, and Koray Aydin, “Super-resolution imaging by one-dimensional, microwave left-handed metamaterials with an effective negative index,” Journal of Physics Condensed Matter vol. 20, 304216 (2008).

175

Kamil Boratay Alici, and Ekmel Ozbay, “Characterization and tilted response of a fishnet metamaterial operating at 100 GHz,” Journal of Physics D vol. 41, 135011 (2008).

174

Koray Aydin, Zhaofeng Li, Levent Sahin, and Ekmel Ozbay “Negative phase advance in polarization independent, multi-layer negative-index metamaterials“, Optics Express volume 16, 8835 (2008).

173

Elena Saenz, Kaan Guven, Ekmel Ozbay, Ińigo Ederra, and Ramon Gonzalo “Enhanced directed emission from metamaterial based radiation source,” Applied Physics Letters, volume 92, 204103 (2008).

172

Engin Arslan, Serkan Bütün, S. Bora Lisesivdin, Mehmet Kasap, Suleyman Ozcelik, and Ekmel Ozbay “The persistent photoconductivity effect in AlGaN/GaN heterostructures grown on sapphire and SiC substrates,” Journal of Applied Physics, volume 103, 103701 (2008).

171

S. Çörekçi, D. Usanmaz, Z. Tekeli, M. Çakmak, S. Özçelik, and E. Özbay,, “Surface Morphology of Al0.3Ga0.7N/Al2O3-High Electron Mobility Transistor Structure,” Journal of Nanoscience and Nanotechnology, vol. 8, 640-644 (2008).

170

Bayram Butun, Koray Aydin, Erkin Ulker, Stephanie Cheylan, Goncal Badenes, Michael Forster, Ullrich Scherf, and Ekmel Ozbay, “A hybrid light source with integrated inorganic light-emitting diode and organic polymer distributed feedback grating,” Nanotechnology, volume 19, 195202 (2008).

169

(INVITED) Ekmel Ozbay, and Koray Aydin “Negative refraction and imaging beyond the diffraction limit by a two-dimensional left-handed metamaterial,” Photonics and Nanostructures, vol. 6, 108 (2008).

168

Koray Aydin, Zhaofeng Li, Serafettin Bilge, and Ekmel Ozbay, “Experimental and numerical study of omega type bianisotropic metamaterials combined with a negative permittivity medium,” Photonics and Nanostructures, vol. 6, 116 (2008).

167

Kamil Boratay Alici, and Ekmel Ozbay, “A planar metamaterial: Polarization independent fishnet structure,” Photonics and Nanostructures, vol. 6, 102 (2008).

166

Yu Zhang, Mo Yang, Nathaniel G. Portney, Daxiang Cui, Gurer Budak, Ekmel Ozbay, Mihrimah Ozkan, and Cengiz S. Ozkan, “Zeta potential: a surface electrical characteristic to probe the interaction of nanoparticles with normal and cancer human breast epithelial cells,” Biomedical Microdevices, volume 10, 321 (2008).

165

Turgut Tut, Tolga Yelboga, Erkin Ulker, and Ekmel Ozbay “Solar-blind AlGaN-based p-i-n photodetectors with high breakdown voltage and detectivity,” Applied Physics Letters, volume 92, 103502 (2008).

164

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Off-axis directional beaming via photonic crystal surface modes,” Applied Physics Letters, volume 92, 092114 (2008).

163

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Focusing surface plasmons via changing the incident angle,” Journal of Applied Physics, volume 103, 053105 (2008).

162

S. Acar , S.B. Lisesivdin , M. Kasap, S .Ozcelik and E .Ozbay, “Determination of two-dimensional electron and hole gas carriers in AlGaN/GaN/AlN heterostructures grown by Metal Organic Chemical Vapor Deposition”, Thin Solid Films, volume 516, 2041 (2008).

161

Bayram Butun, Turgut Tut, Erkin Ulker, Tolga Yelboga, and Ekmel Ozbay “High-performance visible-blind GaN-based p-i-n photodetectors,” Applied Physics Letters, volume 92, 033507 (2008).

160

Zhaofeng Li, Humeyra Caglayan, Evrim Colak, and Ekmel Ozbay “Enhanced transmission and directivity from metallic subwavelength apertures with nonuniform and nonperiodic grooves,” Applied Physics Letters, volume 92, 011128 (2008).

159

S. B. Lisesivdin, E. Arslan, M. Kasap, S .Ozcelik and E .Ozbay, Self-consistent scattering analysis of the AlGaN/AlN/GaN/AlN heterostructures grown on 6H-SiC substrates using photo-Hall effect measurements”, Journal of Physics: Condensed Matter, volume 20, 045208 (2008).

 

2007

158

Filiberto Bilotti, Alessandro Toscano, Lucio Vegni, Koray Aydin, Kamil Boratay Alici, and Ekmel Ozbay, “Equivalent-Circuit Models for the Design of Metamaterials Based on Artificial Magnetic Inclusions,” IEEE Transactions on Microwave Theory and Techniques, volume 55, 2865 (2007).

157

Kaan Guven, and Ekmel Ozbay “Directivity enhancement and deflection of the beam emitted from a photonic crystal waveguide via defect coupling “, Optics Express volume 15, 14973 (2007).

156)

Kamil Boratay Alici, Filiberto Bilotti, Lucio Vegni and Ekmel Ozbay, “Miniaturized negative permeability materials,” Applied Physics Letters, volume 91, 071121 (2007).

155)

Kamil Boratay Alici, and Ekmel Ozbay “Electrically small split ring resonator antennas,” Journal of Applied Physics, volume 101, 083104 (2007).

154)

Kamil Boratay Alici, and Ekmel Ozbay “Radiation properties of a split ring resonator and monopole composite,” Physica Status Solidi B, volume 244, 1192 (2007).

153)

Emre Alptekin, Hongbo Yu, Ekmel Ozbay, and Ozgur Aktas “Low Damage Etching of GaN Surfaces via Bias-Assisted Photoenhanced Electrochemical Oxidation in Deionized Water,” J of Electronic Materials, vol. 36, pp. 629-633 (2007)

152)

Koray Aydin, Irfan Bulu and Ekmel Ozbay “Subwavelength resolution with a negative-index metamaterial superlens,” Applied Physics Letters, volume 90, 254102 (2007).

151)

Koray Aydin, Zhaofeng Li, M. Hudlicka, Sergei A. Tretyakov, and Ekmel OzbayTransmission characteristics of bianisotropic metamaterials based on omega shaped metallic inclusions,” New Journal of Physics, volume 9, 326 (2007).

150)

Koray Aydin, and Ekmel Ozbay “Left-handed metamaterial based superlens for subwavelength imaging of electromagnetic waves,” Applied Physics A, volume 87, 137 (2007).

149)

Koray Aydin, and Ekmel Ozbay “Experimental and numerical analyses of the resonances of split ring resonators,” Physica Status Solidi B, volume 244, 1197 (2007).

148)

Koray Aydin, and Ekmel Ozbay “Experimental investigation of reflection characteristics of left-handed metamaterials in free space,” IET Microwaves Antennas and Propagation, volume 1, 89 (2007).

147)

Koray Aydin, and Ekmel Ozbay “Capacitor-loaded split ring resonators as tunable metamaterial components,” Journal of Applied Physics, volume 101, 193 (2007).

146)

Irfan Bulu, Humeyra Caglayan, Koray Aydin, K. Aydin, and E. Ozbay “Study of the field emitted by a source placed inside a two-dimensional left-handed metamaterial,” Optics Letters, volume 32, 850 (2007).

145)

Bayram Butun, Jean Cesario, Stefan Enoch, Romain Quidant and Ekmel Ozbay, “InGaN green light emitting diodes with deposited nanoparticles,” Photonics and Nanostructures, vol. 5, 86 (2007).

144)

Atilla Ozgur Cakmak, Kaan Guven, and Ekmel Ozbay “Planar bilayer metamaterial with left-handed transmission and negative refraction at microwave frequencies,” Physica Status Solidi B, volume 244, 1188 (2007).

143)

S. Çörekçi, M. K. Öztürk, B. Akaoğlu, M. Çakmak, S. Özçelik, and E. Özbay, “Structural, morphological, and optical properties of AlGaN/GaN heterostructures with AlN buffer and interlayer,” Journal of Applied Physics, volume 101, 123502 (2007).

142)

Mutlu Gokkavas, Serkan Butun, Turgut Tut, Necmi Biyikli, and Ekmel Ozbay, “AlGaN-based high-performance metal–semiconductor–metal photodetectors,” Photonics and Nanostructures, vol. 5, 53 (2007).

141)

T.F. Gundogdu, Mutlu Gokkavas, Kaan Guven, M. Kafesaki , C.M. Soukoulis, and Ekmel Ozbay “Simulation and micro-fabrication of optically switchable split ring resonators,” Photonics and Nanostructures, vol. 5, 106 (2007).

140)

Kaan Guven, Atilla O. Cakmak, Mehmet D. Caliskan, Tamarra F Gundogdu, Maria Kafesaki, Costas M Soukoulis, and Ekmel Ozbay, “Bilayer metamaterial: analysis of left-handed transmission and retrieval of effective medium parameters,” Journal of Optics A: Pure and Applied Optics volume 9, 361 (2007).

139)

Kaan Guven, and Ekmel Ozbay “A plain photonic crystal for generating directional radiation from embedded sources,” Journal of Optics A: Pure and Applied Optics volume 9, 239 (2007).

138)

Sabit Korcak M. Kemal Ozturk, Suleyman Corekci, Barıs Akaoglu, Hongbo Yu, Mehmet Cakmak, Semran Saglam, Suleyman Ozcelik, and Ekmel Ozbay, “Structural and optical properties of an InGaN/GaN nanostructure,” Surface Science, volume 601, 3892 (2007).

137)

Zhaofeng Li, Ekmel Ozbay, Haibo Chen, Jianjun Chen, Fuhua Yang and Houzhi Zheng “Resonant cavity based compact efficient antireflection structures for photonic crystals,” Journal of Physics D, volume 40, 5873 (2007).

136)

Zhaofeng Li, Koray Aydin, and Ekmel Ozbay “Highly directional emission from photonic crystals with a wide bandwidth,” Applied Physics Letters, volume 91, 121105 (2007).

135)

S.B. Lisesivdin, A. Yildiz, S. Acar, M. Kasap, S Ozcelik, and E. Ozbay “Electronic transport characterization of AlGaN/GaN heterostructures using quantitative mobility spectrum analysis,” Applied Physics Letters, volume 91, 102113 (2007).

134)

S.B. Lisesivdin, A. Yildiz, S. Acar, M. Kasap, S Ozcelik, and E. Ozbay “The effect of strain relaxation on electron transport in undoped Al0.25Ga0.75N/GaN heterostructures,” Physica B,  volume 399, 132 (2007).

133)

S.B. Lisesivdin, S. Acar, M. Kasap, S Ozcelik, S. Gokden, and E. Ozbay “Scattering analysis of 2DEG carrier extracted by QMSA in undoped Al0.25Ga0.75N/GaN heterostructures,” Semiconductor Science and Technology,  volume 22, 543 (2007).

132)

(INVITED) Ekmel Ozbay, Koray Aydin, and Kaan Guven, “Metamaterials with negative permeability and negative refractive index: experiments and simulations,” Journal of Optics A: Pure and Applied Optics volume 9, 301 (2007).

131)

Ekmel Ozbay, Irfan Bulu, and Humeyra Caglayan “Transmission, refraction, and focusing properties of labyrinth based left-handed metamaterials,” Physica Status Solidi B, volume 244, 1202 (2007).

130)

Ekmel Ozbay, Koray Aydin, Irfan Bulu and Kaan Guven, “Negative refraction, subwavelength focusing and beam formation by photonic crystals,” Journal of Physics D: Applied Physics, volume 40, 2652 (2007).

129)

Z. Tekeli, Ş. Altındal, M. Çakmak, S. Ozçelik, and E. Ozbay, “The behavior of the I-V-T characteristics of inhomogeneous (Ni/Au)–Al0.3Ga0.7N/AlN/GaN heterostructures at high temperatures,” Journal of Applied Physics, volume 102, 054510 (2007).

128)

Turgut Tut, Bayram Butun, Mutlu Gokkavas, and Ekmel Ozbay, “High performance AlGaN-based avalanche photodiodes,” Photonics and Nanostructures, vol. 5, 140 (2007).

127)

Turgut Tut, Mutlu Gokkavas, Ayse Inal, and Ekmel Ozbay, “AlxGa1−xN -based avalanche photodiodes with high reproducible avalanche gain,” Applied Physics Letters, volume 90, 163506 (2007).

 

2006

126)

Turgut Tut, Mutlu Gokkavas, Bayram Butun, Serkan Butun, Erkin Ulker, and Ekmel Ozbay, “Experimental evaluation of impact ionization coefficients in AlxGa1−xN based avalanche photodiodes,” Applied Physics Letters, volume 89, 183524 (2006).

125)

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).

124)

Mutlu Gokkavas, Serkan Butun, HongBo Yu, Turgut Tut, bayram Butun and Ekmel Ozbay, “Dual-color ultraviolet metal-semiconductor-metal AlGaN photodetectors,” Applied Physics Letters, volume 89, 143503 (2006).

123)

Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay “Designing materials with desired electromagnetic properties,” IEEE Microwave and Optical Technology Letters, volume 48, 2611(2006).

122)

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).

121)

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).

120)

Kaan Guven, and Ekmel Ozbay “Near field imaging in microwave regime using double layer split-ring resonator based metamaterial,” Opto-Electronics Review volume 14, 213(2006).

119)

Koray Aydin, and Ekmel Ozbay “Identifying magnetic response of split-ring resonators at microwave frequencies,” Opto-Electronics Review volume 14, 193 (2006).

118)

Kaan Guven, Deniz Caliskan, and Ekmel Ozbay “Experimental observation of left-handed transmission in a bilayer metamaterial under normal-to-plane propagation “, Optics Express 14, 8685 (2006).

117)

Serkan Butun, Mutlu Gokkavas, HongBo Yu, and Ekmel Ozbay, “Low dark current metal-semiconductor-metal photodiodes based on semi-insulating GaN,” Applied Physics Letters, volume 89, 073503 (2006).

116)

HongBo Yu, M. Kemal Ozturk, Suleyman Ozcelik, and Ekmel Ozbay, “Optimization of semi-insulating GaN grown on an AlN/sapphire template by metalorganic chemical vapor deposition,” Journal of Crystal Growth 293, 273 (2006).

115)

Hongbo Yu, Deniz Caliskan, and Ekmel Ozbay, “Growth of high crystalline quality semi-insulating GaN layers for high electron mobility transistor applications,” Journal of Applied Physics, Vol. 100, 033501 (2006).

114)

(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).

113)

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).

112)

H. Yu, W. Strupinski, S. Butun, E. Ozbay, "Mg-doped AlGaN grown on an AlN/sapphire template by metalorganic chemical vapour deposition," Physica Status Solidi A 203 , p. 868 (2006).

111)

Serkan Butun, Turgut Tut, Bayram Butun, Mutlu Gokkavas, HongBo Yu, and Ekmel Ozbay, “Deep-Ultraviolet Al0.75Ga0.25N Photodiodes with Low Cut-off Wavelength and Low Leakage Current,” Applied Physics Letters, volume 88, 123503 (2006).

110)

Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay, “Experimental demonstration of subwavelength focusing of electromagnetic waves by labyrinth-based two-dimensional metamaterials,” Optics Letters, vol. 31, 814 (2006).

109)

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay, “Beaming of electromagnetic waves emitted through a subwavelength annular aperture,” Journal of Optical Society of America B. 23, p. 419 (2006).

108)

Koray Aydin and Ekmel Ozbay, “Negative refraction through an impedance matched left-handed metamaterial slab,” Journal of Optical Society of America B. 23, p. 415 (2006).

107)

Hongbo Yu, Erkin Ulker and Ekmel Ozbay, "MOCVD growth and electrical studies of p-type AlGaN with Al fraction 0.35", Journal of Crystal Growth 289, p. 419 (2006).

106)

(INVITED) Ekmel Ozbay, “Plasmonics: Merging Photonics and Electronics at Nanoscale Dimensions,” Review Article, Science, vol. 311, 189 (2006).

 

2005

105

K. Guven, K. Aydin, E. Ozbay, "Experimental analysis of true left-handed behaviour and transmission properties of composite metamaterials," Photonics and Nanostructures, vol. 3, pp. 75-78 (2005)

104

Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay, “Experimental demonstration of labyrinth-based left-handed metamaterials,” Optics Express, vol. 13, 10238 (2005).

103

Turgut Tut, Serkan Butun, Bayram Butun, Mutlu Gokkavas, HongBo Yu, and Ekmel Ozbay, “Solar-blind AlGaN-based avalanche photodiodes,” Applied Physics Letters, volume 87, 223502 (2005).

102

Koray Aydin, Irfan Bulu, and Ekmel Ozbay “Focusing of electromagnetic waves by a left-handed metamaterial flat lens,” Optics Express, volume 13, 8753 (2005).

101

Irfan Bulu, Humeyra Caglayan, Koray Aydin and Ekmel OzbayCompact size highly directive antennas based on the SRR metamaterial medium,” New Journal of Physics, volume 7, 223 (2005).

100

Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay, “Beaming of Light and Enhanced Transmission via Surface Modes of Photonic Crystals,” Optics Letters, vol. 30, 3078 (2005).

99

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Highly directional enhanced radiation from sources embedded inside three-dimensional photonic crystals,” Optics Express, volume 13, 7645 (2005).

98

Koray Aydin, Kaan Guven, Maria Kafesaki, Costas M. Soukoulis, and Ekmel Ozbay “Investigation of magnetic resonances for different split-ring resonator parameters and designs,” New Journal of Physics, volume 7, 168 (2005).

97

Irfan Bulu, Humeyra Caglayan, and Ekmel Ozbay, “Negative refraction and focusing of electromagnetic waves by metallodielectric photonic crystals,” Physical Review B, vol. 71, 045124 (2005).

96

Koray Aydin, Kaan Guven, C. M. Soukoulis, and Ekmel Ozbay “Observation of negative refraction and negative phase velocity in left-handed metamaterials,” Applied Physics Letters, volume 86, 124102 (2005).

95

Necmi Biyikli, Ibrahim Kimukin, Turgut Tut, Orhan Aytur, and Ekmel Ozbay, "Fabrication and characterization of solar-blind Al0.6Ga0.4N MSM photodetectors,", Electronic Letters, volume 41, (2005).

94

Humeyra Caglayan, Irfan Bulu, and Ekmel Ozbay “Extraordinary grating-coupled microwave transmission through a subwavelength annular aperture,” Optics Express, volume 13, 1666 (2005).

93)

K. Guven, and E. Ozbay, “Coupling and phase analysis of cavity structures in two-dimensional photonic crystals,” Physical Review B, vol. 71, 085108 (2005).

92)

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).

91)

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).

90)

R. Moussa, S. Foteinopoulou, Lei Zhang, G. Tuttle, K. Guven, E. Ozbay, and C. M. Soukoulis, “Negative refraction and superlens behavior in a two-dimensional photonic crystal,” Physical Review B., vol. 71, 085106 (2005).

89)

Turgut Tut, Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, "High Bandwidth-Efficiency Solar-Blind AlGaN Schottky Photodiodes with Low Dark Current", Solid State Electronics, volume 49, p. 117 (2005).

 

2004

88)

(invited) Ekmel Ozbay, Kaan Guven, Ertugrul Cubukcu, Koray Aydin and K. Bora Alici, “Negative Refraction and Subwavelength Focusing using photonic crystals,” Modern Physics Letters B, Vol. 18, No. 25 (2004) 1275-1291.

87)

Koray Aydin, Kaan Guven, Nikos Katsarakis, Costas M. Soukoulis, and Ekmel Ozbay “Effect of disorder on magnetic resonance band gap of split-ring resonator structures,” Optics Express, volume 12, 5896 (2004).

86)

(invited) Ekmel Ozbay, K. Guven, K. Aydin and M. Bayindir, “Physics and applications of photonic nanocrystals,” International Journal of Nanotechnology, vol. 1, 379 (2004).

85)

(invited) Ekmel Ozbay, Irfan Bulu, Koray Aydin, Humeyra Caglayan, and Kaan Guven “Physics and applications of photonic crystals,” Photonics and Nanostructures, vol. 2, 87 (2004).

84)

K. Guven, K. Aydin, K. B. Alici, C. M. Soukoulis, and E. Ozbay, “Spectral negative refraction and focusing analysis of a two-dimensional left-handed photonic crystal lens,” Physical Review B, vol. 70, 205125 (2004).

83)

K. Aydin, K. Guven, Lei Zhang, M. Kafesaki, C. M. Soukoulis, and E. Ozbay “Experimental Observation of True Left-Handed Transmission Peak in Metamaterials,” Optics Letters, volume 29, 2623 (2004).

82)

N. Katsarakis, T. Koschny, M. Kafesaki, E.N. Economou, E. Ozbay, C. M. Soukoulis, “Left- and right-handed transmission peaks near the magnetic resonance frequency in composite metamaterials,” Physical Review B., vol. 70, 201101 (2004).

81)

S. Sena Akarca-Biyikli, Irfan Bulu, and Ekmel Ozbay “Enhanced transmission of microwave radiation in one-dimensional metallic gratings with sub-wavelength aperture,” Applied Physics Letters, volume 85, 1098 (2004).

80)

Necmi Biyikli, Ibrahim Kimukin, Turgut Tut, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, "High-speed characterization of solar-blind AlxGa1-xN p-i-n photodiodes", Semiconductor Science & Technology, volume 19, 1259 (2004).

79)

Ibrahim Kimukin, Necmi Biyikli, Tolga Kartaloglu, and Ekmel Ozbay, "High-speed InSb p-i-n photodiodes", IEEE Journal of Selected Topics in Quantum Electronics, volume 10, issue 4, p. 766 (2004).

78)

Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, and Ekmel Ozbay, "ITO-Schottky Photodiodes for High-Performance Detection in the UVIR Spectrum", IEEE Journal of Selected Topics in Quantum Electronics, volume 10, issue 4, p. 759 (2004).

77)

(invited) Ekmel Ozbay, Necmi Biyikli, Ibrahim Kimukin, T. Tut, T. Kartaloglu, and Orhan Aytur, "High-Performance Solar-Blind Photodetectors Based on AlxGa1-xN Heterostructures", IEEE Journal of Selected Topics in Quantum Electronics, volume 10, issue 4, p. 742 (2004).

76)

Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, and Ekmel Ozbay, "Solar-blind AlGaN-based p-i-n photodiodes with low dark current and high detectivity", IEEE Photonics Technology Letters, volume 16, No: 7, p. 1718 (2004).

75)

Bayram Butun, Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, and Ekmel Ozbay “High-speed 1.55 mm operation of low-temperature-grown GaAs-based resonant-cavity-enhanced p– i– n photodiodes,” Applied Physics Letters, volume 84, 4185 (2004).

 

2003

74)

Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur, Ibrahim Kimukin, and Ekmel OzbayHigh-speed solar-blind AlGaN-based metal–semiconductor–metal photodetectors,” Physica Status Solid (C), vol.7, 2314–2317 (2003).

73)

Ertugrul Cubukcu, Koray Aydin, Ekmel Ozbay, S. Foteinopolou, and Costas Soukoulis, " Subwavelength resolution in a two-dimensional photonic crystal based superlens", Physical Review Letters, vol. 91, p. 2140 (2003).

72)

Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur, Ibrahim Kimukin, and Ekmel OzbayHigh-Speed Visible-Blind Resonant Cavity Enhanced AlGaN Schottky Photodiodes,” MRS Internet J. Nitride Semicond. Res., volume 8, 8 (2003).

71)

Irfan Bulu, Humeyra Caglay, and Ekmel Ozbay, “Highly directive radiation from sources embedded inside photonic crystals,” Applied Physics Letters, volume 83, 3263 (2003).

70)

Ekmel Ozbay, Koray Aydin, Ertugrul Cubukcu, and Mehmet Bayindir, “Transmission and Reflection Properties of Composite Double Negative Metamaterials in Free Space,” IEEE Trans. on Antennas and Propagation vol. 51, 2592 (2003).

69)

Ibrahim Kimukin, Necmi Biyikli, and Ekmel Ozbay, “InSb high-speed photodetectors grown on GaAs substrate,” Journal of Applied Physics, vol. 94, 5414 (2003).

68)

Ertugrul Cubukcu, Koray Aydin, Ekmel Ozbay, S. Foteinopolou, and Costas Soukoulis, “Negative Refraction by Photonic Crystals,” Nature, vol. 423, 604 (2003).

67)

Irfan Bulu, Humeyra Caglay, and Ekmel Ozbay, “Radiation properties of sources inside photonic crystals,” Physical Review B., vol. 67, 205103 (2003).

66)

Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur and, Ekmel Ozbay, “High-speed solar-blind photodetectors with indium-tin-oxide Schottky Contacts,” Applied Physics Letters, volume 81, 4514 (2003).

65)

Necmi Biyikli  , Tolga Kartaloglu  , Orhan Aytur  , Ibrahim Kimukin, and Ekmel Ozbay  High-Performance Solar-Blind AlGaN Schottky Photodiodes,” MRS Internet J. Nitride Semicond. Res., volume 8, 2 (2003).

 

2002

64)

Mehmet Bayindir and Ekmel Ozbay, “Band Dropping via coupled photonic crystal waveguide,Optics Express, volume 10, 1279 (2002).

63)

Mehmet Bayindir and Ekmel Ozbay, “Dropping of electromagnetic waves through localized modes in three-dimensional photonic band gap structure,” Applied Physics Letters, volume 81, xxx (2002).

62)

Necmi Biyikli, Ibrahim Kimukin, Turgut Tut, Orhan Aytur and, Ekmel Ozbay, “Solar-blind AlGaN-based Schottky photodiodes with low noise and high detectivity,” Applied Physics Letters, volume 81, p. 3272 (2002).

61)

E. Ozbay, Mehmet Bayindir, I. Bulu, E. Cubukcu, "Localized coupled-cavity modes in two-dimensional photonic band gap structures," IEEE Journal of Quantum Electronics, vol. 38, 857 (2002).

60)

Mehmet Bayindir, K. Aydin, E. Ozbay, P. Markos, and C. M. Soukoulis "Transmission properties of composite metamaterials in free space," Applied Physics Letters, volume 81, 120 (2002).

59)

Ibrahim Kimukin, Necmi Biyikli, and Ekmel Ozbay, Ultrafast & highly efficient resonant cavity enhanced photodiodes,” Materials Science Forum 384-3: 241-248 (2002).

58)

L. Pintilie, E. Pentia, I. Matei, and I. Pintilie, and E. Ozbay, “Field-effect-assisted photoconductivity in PbS films deposited on silicon dioxide,” Journal of Applied Physics, vol. 91, 5782 (2002).

57)

Ibrahim Kimukin,, Necmi Biyikli, Bayram Butun, Orhan Aytur, and Ekmel Ozbay, “InGaAs Based High Performance p-i-n Photodiodes,” Photonics Technology Letters, vol. 14, 366 (2002).

 

2001

56)

Mutlu Gokkavas, O. Dosunmu, M. Selim Unlu, Gokan Ulu, R. P. Mirin, D. H. Christensen, and Ekmel Ozbay, “High-Speed High-Efficiency Large-Area Resonant Cavity Enhanced p-i-n Photodiodes for Multimode Fiber Communications,” Photonics Technology Letters, vol. 13, 1205 (2001).

55)

E. Pentia, L. Pintilie, I. Matei, T. Botila and E. Ozbay, "Chemically prepared nanocrystalline PbS thin films," Journal of Optoelectronics and Advanced Materials 3 (2), 525-530 (2001).

54)

Mehmet Bayindir, C Kural and E Ozbay, “Coupled optical microcavities in

one-dimensional photonic bandgap structures ,” Journal of Optics A: Pure and Applied Optics, volume 3, p.184,  (2001)

53)

Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, Mutlu Gokkavas, M. Selim Unlu, Ekmel Ozbay, “ High-speed visible blind GaN-based indium tin oxide Schottky photodiodes,” Applied Physics Letters, volume 79, p. 2838 (2001).

52)

R. Biswas, E. Ozbay, B. Temelkuran, Mehmet Bayindir, M.M. Sigalas, K.M. Ho, “Exceptionally directional sources with photonic-bandgap crystals,” Journal of Optical Society of America B. 18, p. 1684 (2001).

51)

Mehmet Bayindir, E. Cubukcu, I. Bulu, T. Tut, E. Ozbay,“Photonic band gaps and localization in two-dimensional metallic quasicrystals,” Europhys. Lett., 56 (1), pp. 41–46 (2001).

50)

A. S. Ergun, A. Atalar, B. Temelkuran, and E. Ozbay, "A new detection method for capacitive micromachined ultrasonic transducers,” IEEE Trans. Ultrason., Ferroelect., Freq. Contr., vol. 48, p. 932 (2001).

49)

Mehmet Bayindir, E. Cubukcu, I. Bulu, T. Tut, E. Ozbay, and C. M. Soukoulis “Photonic band gaps, defect characteristics, and waveguiding in two-dimensional disordered dielectric and metallic photonic crystals,” Physical Review B, Rapid Communications., vol. 64, 195113 (2001).

48)

Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, Mutlu Gokkavas, M. Selim Unlu, Ekmel Ozbay, “ 45-GHz Bandwidth-Efficiency Resonant Cavity Enhanced ITO-Schottky Photodiodes,” Photonics Technology Letters, vol. 13, 705 (2001).

47)

Mehmet Bayindir, S. Tanriseven, A. Aydinli, and E. Ozbay, “Strong Enhancement of spontaneous emission in amorphous-silicon-nitride photonic crystal based couple-microcavity structure,” Applied Physics A, vol. 73, 125 (2001).

46)

Mehmet Bayindir, E. Cubukcu, I. Bulu, and E. Ozbay, “Photonic band-gap effect, localization, and waveguiding in the two-dimensional Penrose lattice,” Physical Review B, Rapid Communications., vol. 63, 161104 (2001).

45)

M. Bayindir, E. Ozbay , B. Temelkuran, M. M. Sigalas, C. Soukoulis, R. Biswas, and K.M. Ho, “Guiding, bending, and splitting of electromagnetic waves in highly confined photonic crystal waveguides,” Physical Review B, Rapid Communications., vol. 63, 081107 (2001).

44)

B. Temelkuran, Mehmet Bayindir, E. Ozbay, J. P. Kavanaugh, M. M. Sigalas, and G. Tuttle, “Quasi-metallic silicon micromachined photonic crystals,” Applied Physics Letters, volume 77,  pp. 264-266 (2001).

43)

Mehmet Bayindir, S. Tanriseven, and E. Ozbay, “Propagation of light through localized coupled-cavity modes in one-dimensional photonic band-gap structures,” Applied Physics A, vol. 72, pp. 117-119 (2001).

 

2000

42)

M. Bayindir, E. Ozbay, "Propagation of photons by hopping," Optics & Photonics News, vol.  , pp. 31-32 (2000)

41)

Mehmet Bayindir,  B. Temelkuran, and E. Ozbay, “Photonic-crystal-based beam splitters,”  Applied Physics Letters, volume 77,  No. 23, 3902 (2000).

40)

I. Kimukin, N. Biyikli, E. Ozbay, and G. Tuttle “High-Speed GaAs Based Resonant-Cavity-Enhanced 1.3 Micron photodetector,” Applied Physics Letters, volume 77,  No. 23, 3890 (2000).

39)

M. Bayindir, B. Temelkuran, and E. Ozbay, “Heavy photons at coupled-cavity waveguide band edges in a three-dimensional photonic crystal” Physical Review B, Rapid Communications., vol. 62, 2247 (2000).

38)

M. Bayindir, B. Temelkuran, and E. Ozbay, "Tight-Binding Description of the Coupled Defect Modes in Three-Dimensional Photonic Crystals", Physical Review Letters, vol. 84, p. 2140 (2000).

37)

M. Bayindir, B. Temelkuran, and E. Ozbay, "Propagation of Photons Via Hopping: A Novel Waveguiding Mechanism Through Localized Coupled-Cavities in Three-Dimensional Photonic Crystals", Physical Review B, Rapid Communications., vol. 61, 11855 (2000).

36)

Burak Temelkuran, Mehmet Bayindir, and Ekmel Ozbay, “Photonic Crystal Based Antenna with a Very High Directivity,” Journal of Applied Physics, Communications, vol. 67, pp. 603-605  (2000)

 

1999

35)

M. Selim Ünlü, Ekmel Ozbay, Elias Towe, Richard P. Mirin, and David H. Christensen, " High-Speed Resonant Cavity Enhanced Photodiodes," Optics & Photonics News, vol.  , pp. 31-32 (1999)

34)

Ekmel Ozbay, Necmi Biyikli, Ibrahim Kimukin, Orhan Aytür, Mutlu Gökkavas, Gökhan Ulu, R. Mirin, D. H. Christensen, and M. Selim Ünlü, “High-Speed >90% Quantum-Efficiency p-i-n Photodiodes with a Resonance Wavelength Adjustable in 795-835 nm Range,” Applied Physics Letters, volume 74,  p. 1072 (1999).

33)

B. Temelkuran, and E. Özbay, “Experimental Demonstration of Photonic Crystal Based Waveguides,” Applied Physics Letters, volume 74,  p. 486 (25 January 1999).

32)

M. Gokkavas, B. M. Onat, E. Ozbay, E. P. Ata, J. Xu, E. Towe, and M. S. Unlu, “Design and Optimization of High-Speed Resonant Cavity Enhanced Schottky Photodiodes, ” IEEE Journal of Quantum Electronics, volume 35, p. 208, February 1999.

 

1998

31)

B. Temelkuran, H. Altug, and E. Özbay, “Experimental Investigation of layer-by-layer Metallic Photonic Crystals,” IEE Proceedings on Optoelectronics, volume 145,  p. 409 (1998).

30)

A. S. Ergun, A. Atalar, B. Temelkuran, and E. Ozbay, "A sensitive method for ultrasonic transducers," Applied Physics Letters, volume 72,  p. 2957 (1998).

29)

M. S. Unlu, M. Gokkavas, B. M. Onat, E. Ata, E. Ozbay, R. P. Mirin, K. J. Knopp, K. A. Bertness, D. H. Christensen,  “High bandwidth-efficiency resonant cavity enhanced Schottky photodiodes for 800-850 nm wavelength operation, ” Applied Physics Letters, volume 72,  p. 2727 (1998).

28)

B. M. Onat, M. Gokkavas, E. Ozbay, E.P. Ata, E. Towe, and M.S. Unlu, “ 100 GHz Resonant Cavity Enhanced Schottky Photodiodes,” Photonics Technology Letters., 10, p. 707 (1998).

27)

B. Temelkuran, E. Özbay, J.P Kavanaugh, G. Tuttle, and K.M. Ho B. Temelkuran, “Resonant Cavity Enhanced Detectors Embedded in Photonic Crystals” Applied Physics Letters, volume 72,  p. 2376 (1998).

26)

B. Temelkuran, E.. Özbay, M. Sigalas, C.M. Soukoulis, G. Tuttle, and K.M. Ho "Reflection Properties of Metallic Photonic Crystals," Applied Physics A 66, 363 (1998).

 

1997

25)

E. Ozbay, S. Islam,  M. Gokkavas, O. Aytur, and M.S. Unlu, “ High-Speed Resonant Cavity Enhanced Schottky Photodiodes,” Photonics Technology Letters., 9, p. 672 (1997).

 

1996

24)

E. Özbay, " Layer-by-layer Photonic Band Gap Crystals: From Microwave to the Far-Infrared," Journal of Optical Society of America B. 13, p. 1945 (1996).

23)

E. Özbay, and B. Temelkuran, "Reflection Properties and Defect Formation in Photonic Crystals" Applied Physics Letters, volume 69,  p. 743 (1996).

22)

E. Özbay, B. Temelkuran, G.Tuttle, M. Sigalas, C.M. Soukoulis, and K.M. Ho "Defect Structures in Metallic Photonic Crystals" Applied Physics Letters volume 69, p. 3797 (1996).

21)

R. Biswas, E. Özbay, and K.M. Ho,” Photonic Band Gaps with Novel Double-Etched Structures,” Journal of Applied Physics. volume 80, p. 6749 (1996).

 

1995

20)

E. Özbay, G. Tuttle, J.S. McCalmont, R. Biswas, M. Sigalas, C.M. Soukoulis and K.M. Ho, "Laser-Micromachined Millimeter-Wave Photonic Band Gap Cavity Structures" Applied Physics Letters, volume 67,  p. 1969 (1995).

19)

S. D. Cheng, R. Biswas, E. Özbay, J.S. McCalmont, G. Tuttle and K.M. Ho, “Optimized Dipole Antennas on Photonic Band Gap Crystals,” Applied Physics Letters, volume 67,  p. 3399 (1995).

18)

E. Özbay, G.Tuttle, R. Biswas, M. Sigalas, C.M. Soukoulis, and K.M. Ho, "Defect Structures in a layer-by-layer photonic band gap,” Physical Review B51, 13961 (1995).

17)

J. Fastenau, E. Özbay, G. Tuttle, and F. Laabs, "Epitaxial Lift-Off of Thin InAs Layers," Journal of Electronic Materials,  24 (6), p. 757 (1995).

 

1994

16)

E. Özbay, G. Tuttle, R. Biswas, K.M. Ho, J. Bostak, and D. M. Bloom, "New double-etch geometry for millimeter-wave photonic crystals with a semi-tunable photonic band gap," Applied Physics Letters, 65,  p. 1617 (1994).

15)

E. Özbay, E. Michel, G. Tuttle, R. Biswas, K.M. Ho, J. Bostak, and D. M. Bloom, "Terahertz spectroscopy of three-dimensional photonic band gap crystal," Optics Letters 19, p.1155 (1994).

14)

E. Özbay, A. Abeyta, G. Tuttle, M. Tringides, R. Biswas, C.T. Chan, C. Soukoulis, and K.M. Ho, ”Measurement of Three-Dimensional Photonic Band-Gap in New Crystal Made of Dielectric Rods,” Physical Review  B50, p.1945 (1994).

13)

E. Özbay, E. Michel, G. Tuttle, R. Biswas, M. Sigalas, and K.M. Ho, “Micromachined millimeter-wave photonic bandgap crystals,”  Applied Physics Letters, volume 64,  p. 2059 (1994).

12)

J. S. Bostak, D. W. Van Der Weide, B. A. Auld, D. M. Bloom and E. Özbay, "All-Electronic Terahertz Spectroscopy System," Journal of Optical Society of America B, vol. 11, p. 2561(1994).

 

1993

11)

E. Özbay , D.M. Bloom, D. H. Chow, and J. N. Schulman, " 1.7 psec Microwave Integrated Circuit Compatible InAs/AlSb Resonant Tunneling Diodes," Electron Device Letters, EDL-14, p. 400 (1993).

 

1992

10)

K. D. Li, A. S. Hou, E. Özbay, and D. M. Bloom, "2.0 psec GaAs photodiode optoelectronic circuit for correlation applications,"  Applied Physics Letters, vol. 61, n. 26, p.3104 (1992).

9)

D. H. Chow, J. N. Schulman, E. Özbay, and D. M. Bloom, "Investigation of InGaAs/AlAs Resonant Tunneling Diodes,"  Applied Physics Letters, vol. 61, n. 14, p.1685 (1992).

 

1991

8)

E. Özbay and D.M. Bloom, "110 GHz Monolithic Resonant Tunneling Diode Trigger Circuit", Electron Device Letters, EDL-12, p.480-482 (1991).

7)

E. Özbay, K. D. Li and D. M. Bloom, "2.0 psec, 150 GHz GaAs Monolithic Photodiode and All-Electronic Sampler",  Photonics Technology Letters, PTL-3, p.570-572 (1991).

6)

A. Black, E. Özbay, and D. M. Bloom, "Colliding Pulse Phase Detector for Picosecond Resolution Timing Measurements," Electronics Letters, Vol. 27, No.18, p.1620-1622 (1991).

5)

I. P. Batra, S. Ciraci, and E. Özbay, "Strain and dipole effects in covalent-polar semiconductor superlattices,"  Physical Review B, vol. 44, no. 11, pp. 5550-5555 (1991).

4)

E. Wolak, E. Özbay, B.G. Park, S.K. Diamond, D.M. Bloom, J.S. Harris,Jr. and E.R. Brown, "The Design, Growth and Fabrication of GaAs/AlAs RTD’s with Peak Current Densities over 2*105 A/cm2 " Journal of Applied Physics, 69 (5), p. 3345-3350, (1991).

 

1990

3)

E. Özbay, S. K. Diamond and D. M. Bloom, "Pulse Forming and Triggering using Resonant Tunneling Diode Structures",  Electronics Letters, Vol. 26,  No.14,  p.1046-1048  (1990).

 

1989

2)

S. K. Diamond, E. Özbay, M. J. W. Rodwell, Y. C. Pao, E. Wolak, J. S. Harris and  D. M. Bloom, "Fabrication of Resonant Tunneling Diodes for switching applications", Electron Device Letters, EDL-10, p.104-106 (1989).

1)

S. K. Diamond, E. Özbay, M. J. W.  Rodwell, and  D. M. Bloom,  "Resonant Tunneling Diodes for  Switching Applications" Applied Physics Letters, vol.52, 2163-2165  (1989).