Search Results - "Gökkavas, Mutlu"

Reduction in Temperature-Dependent Fiber-Optic Gyroscope Bias Drift by Using Multifunctional Integrated Optical Chip Fabricated on Pre-Annealed LiNbO3 by Karagöz, Ercan, Aşık, Fatma Yasemin, Gökkavas, Mutlu, Akbaş, Erkut Emin, Yertutanol, Aylin, Özbay, Ekmel, Özcan, Şadan

“…The refractive index change obtained after annealed proton exchange (APE) in lithium niobate (LiNbO3) crystals depends on both the proton exchange process…”
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Dual-color ultraviolet metal-semiconductor-metal AlGaN photodetectors by Gökkavas, Mutlu, Butun, Serkan, Yu, HongBo, Tut, Turgut, Butun, Bayram, Ozbay, Ekmel

“…Backilluminated ultraviolet metal-semiconductor-metal photodetectors with different spectral responsivity bands were demonstrated on a single Al x Ga 1 − x N…”
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AlGaN-based high-performance metal–semiconductor–metal photodetectors by Gökkavas, Mutlu, Butun, Serkan, Tut, Turgut, Biyikli, Necmi, Ozbay, Ekmel

“…Design, structure growth, fabrication, and characterization of high performance AlGaN-based metal–semiconductor–metal (MSM) photodetectors (PD) are reported…”
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Optically implemented broadband blueshift switch in the terahertz regime by Shen, Nian-Hai, Massaouti, Maria, Gokkavas, Mutlu, Manceau, Jean-Michel, Ozbay, Ekmel, Kafesaki, Maria, Koschny, Thomas, Tzortzakis, Stelios, Soukoulis, Costas M

“…We experimentally demonstrate, for the first time, an optically implemented blueshift tunable metamaterial in the terahertz (THz) regime. The design implies…”
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Few-layer bifunctional metasurfaces enabling asymmetric and symmetric polarization-plane rotation at the subwavelength scale by Gokkavas, Mutlu, Gundogdu, T. F., Ozbay, Ekmel, Serebryannikov, Andriy E.

“…We introduce and numerically validate the concept of few-layer bifunctional metasurfaces comprising two arrays of quasiplanar subwavelength resonators and a…”
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Ultraminiature Antennas Combining Subwavelength Resonators and a Very-High-ε Uniform Substrate: The Case of Lithium Niobate by Serebryannikov, Andriy E., Gokkavas, Mutlu, Gundogdu, Tamara Funda, Volski, Vladimir, Vandenbosch, Guy A. E., Vasylchenko, Alexander, Ozbay, Ekmel

“…Combining the effects of subwavelength resonators and very-high-permittivity substrates enables a high extent of miniaturization, even for very simple,…”
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Simulation and micro-fabrication of optically switchable split ring resonators by Gundogdu, T.F., Gökkavas, Mutlu, Güven, Kaan, Kafesaki, M., Soukoulis, C.M., Ozbay, Ekmel

“…The effect of conductivity variation as a proposed method for the investigation of photoconductive switching properties of split ring resonators (SRRs) is…”
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Determining thermo-mechanical stress sources of an integrated optical device by Dönertaş, Seval, Gökkavas, Mutlu, Özbay, Ekmel, Orhan, Elif Öz

“…In this study, we analyze the thermo-mechanical behavior of a multi-functional integrated optical chip (MIOC) via the finite element method (FEM). MIOC is a…”
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Manipulation of Asymmetric Transmission in Planar Chiral Nanostructures by Anisotropic Loss by Li, Zhaofeng, Gokkavas, Mutlu, Ozbay, Ekmel

“…Planar chiral structures may provide asymmetric transmission for circularly polarized optical waves at normal incidence if the structures are anisotropic and…”
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Low dark current metal-semiconductor-metal photodiodes based on semi-insulating GaN by Butun, Serkan, Gökkavas, Mutlu, Yu, HongBo, Ozbay, Ekmel

“…Metal-semiconductor-metal photodetectors on semi-insulating GaN templates were demonstrated and compared with photodetectors fabricated on regular GaN…”
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Experimental evaluation of impact ionization coefficients in AlxGa1−xN based avalanche photodiodes by Tut, Turgut, Gokkavas, Mutlu, Butun, Bayram, Butun, Serkan, Ulker, Erkin, Ozbay, Ekmel

“…The authors report on the metal-organic chemical vapor deposition growth, fabrication, and characterization of high performance solar-blind avalanche…”
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Chiral Structures: Manipulation of Asymmetric Transmission in Planar Chiral Nanostructures by Anisotropic Loss (Advanced Optical Materials 7/2013) by Li, Zhaofeng, Gokkavas, Mutlu, Ozbay, Ekmel

“…Asymmetric transmissions of circularly polarized optical waves can be achieved when the waves are incident normal to planar chiral structures, provided that…”
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Solar-blind AlxGa1−xN-based avalanche photodiodes by Tut, Turgut, Butun, Serkan, Butun, Bayram, Gokkavas, Mutlu, Yu, HongBo, Ozbay, Ekmel

“…We report the Metalorganic Chemical Vapor Deposition (MOCVD) growth, fabrication, and characterization of solar blind AlxGa1−xN∕GaN-based avalanche…”
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A Planar Metamaterial With Dual-Band Double-Negative Response at EHF by Gundogdu, T Funda, Guven, Kaan, Gokkavas, Mutlu, Soukoulis, Costas M, Ozbay, Ekmel

“…We report the fabrication and electromagnetic characterization of a planar composite metamaterial (CMM) that is designed to achieve dual-frequency…”
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Improved selectivity from a wavelength addressable device for wireless stimulation of neural tissue by Seymour, Elif Ç, Freedman, David S, Gökkavas, Mutlu, Ozbay, Ekmel, Sahin, Mesut, Unlü, M Selim

“…Electrical neural stimulation with micro electrodes is a promising technique for restoring lost functions in the central nervous system as a result of injury…”
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Low dark current metal-semiconductor-metal photodiodes basedon semi-insulating GaN by Butun, Serkan, Gökkavas, Mutlu, Yu, HongBo, Ozbay, Ekmel

“…Metal-semiconductor-metal photodetectors on semi-insulating GaN templates were demonstrated and compared with photodetectors fabricated on regular GaN…”
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45-GHz bandwidth-efficiency resonant-cavity-enhanced ITO-Schottky photodiodes by Biyikli, N., Kimukin, I., Aytur, O., Gokkavas, M., Selim Unlu, M., Ozbay, E.

“…High-speed Schottky photodiodes suffer from low efficiency mainly due to the thin absorption layers and the semitransparent Schottky-contact metals. We have…”
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Experimental realization of a high-contrast grating based broadband quarter-wave plate by Mutlu, Mehmet, Akosman, Ahmet E, Kurt, Gokhan, Gokkavas, Mutlu, Ozbay, Ekmel

“…Fabrication and experimental characterization of a broadband quarter-wave plate, which is based on two-dimensional and binary silicon high-contrast gratings,…”
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AlGaN-based high-performance metal-semiconductor-metal photodetectors: Phoremost special issue on advances in nanophotonics by GÖKKAVAS, Mutlu, BUTUN, Serkan, TUT, Turgut, BIYIKLI, Necmi, OZBAY, Ekmel

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Simulation and micro-fabrication of optically switchable split ring resonators: Phoremost special issue on advances in nanophotonics by GUNDOGDU, T. F, GÖKKAVAS, Mutlu, GÜVEN, Kaan, KAFESAKI, M, SOUKOULIS, C. M, OZBAY, Ekmel

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