Search Results - "Akozbek, Neset"
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Matching and funneling light at the plasmonic Brewster angle
Published in Physical review. B, Condensed matter and materials physics (31-01-2012)“…The ultrabroadband impedance matching of metallic gratings at the plasmonic Brewster angle [A. Alu et al., Phys. Rev. Lett. 106, 123902 (2011)…”
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Generalized nonlinear schrödinger equation for dispersive susceptibility and permeability : Application to negative index materials
Published in Physical review letters (01-07-2005)“…A new generalized nonlinear Schrödinger equation describing the propagation of ultrashort pulses in bulk media exhibiting frequency dependent dielectric…”
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Negative refraction and sub-wavelength focusing in the visible range using transparent metallo-dielectric stacks
Published in Optics express (22-01-2007)“…We numerically demonstrate negative refraction of the Poynting vector and sub-wavelength focusing in the visible part of the spectrum using a transparent…”
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Z-Scan theory for thin film measurements: Validation of a model beyond the standard approach using ITO and HfO2
Published in Optical materials. X (01-07-2023)“…The Z-Scan technique is an easy and widespread approach to evaluate the nonlinear optical coefficient of materials. However, the evaluation of the same…”
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Tunable ultrashort laser pulses generated through filamentation in gases
Published in Physical review letters (14-07-2006)“…Tunable and stable ultrashort laser pulses in the visible spectrum are generated with high efficiency by four-wave mixing process during the filamentation of…”
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Nested plasmonic resonances: extraordinary enhancement of linear and nonlinear interactions
Published in Optics express (20-02-2017)“…Plasmonic resonators can provide large local electric fields when the gap between metal components is filled with an ordinary dielectric. We consider a new…”
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Long wavelength infrared imaging under ambient thermal radiation via an all-silicon metalens
Published in Optical materials express (01-09-2021)“…Further miniaturization of imaging systems is prevented by the prevalent, traditional bulky refractive optics today. Meta-optics have recently generated great…”
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Study of second and third harmonic generation from an indium tin oxide nanolayer: Influence of nonlocal effects and hot electrons
Published in APL photonics (01-01-2020)“…We report comparative experimental and theoretical studies of the second and third harmonic generation from a 20 nm-thick indium tin oxide layer in proximity…”
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Z-Scan theory for thin film measurements: Validation of a model beyond the standard approach using ITO and HfO 2
Published in Optical materials. X (01-07-2023)Get full text
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Ultraviolet–Visible Plasmonic Properties of Gallium Nanoparticles Investigated by Variable-Angle Spectroscopic and Mueller Matrix Ellipsometry
Published in ACS photonics (16-07-2014)“…Self-assembled, irregular ensembles of hemispherical Ga nanoparticles (NPs) were deposited on sapphire by molecular beam epitaxy. These samples, whose…”
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Inhibition of linear absorption in opaque materials using phase-locked harmonic generation
Published in Physical review letters (12-09-2008)“…We theoretically predict and experimentally demonstrate inhibition of linear absorption for phase and group velocity mismatched second- and third-harmonic…”
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Homogenization procedure for a metamaterial and local violation of the second principle of thermodynamics
Published in Optics communications (15-04-2010)“…Classical theory of crystals states that a medium to be considered homogeneous must satisfy the following requirements (a) the dimension of the elementary cell…”
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Single-Shot Phase Diversity Wavefront Sensing in Deep Turbulence via Metasurface Optics
Published 24-10-2024“…Free-space optical communication (FSOC) systems offer high-bandwidth and secure communication with minimal capital costs. Adaptive optics (AO) are typically…”
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Graphene Enhanced Absorption Entailed by the Electromagnetic Field Localization in a Photonic Structure
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26-06-2023)“…Since its discovery and proper isolation, graphene has become a popular material with outstanding mechanical, electrical and optical properties, that make it…”
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Conference Proceeding -
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Anomalous momentum states, non-specular reflections, and negative refraction of phase-locked, second-harmonic pulses
Published in Metamaterials (01-09-2008)“…We simulate and discuss novel spatio-temporal propagation effects that relate specifically to pulsed, phase-mismatched second-harmonic generation in a material…”
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All-Silicon Metalens for Long Wavelength Infrared Imaging
Published in 2022 Conference on Lasers and Electro-Optics (CLEO) (01-05-2022)“…We made meta-optics in the long-wave infrared (LWIR) regime and demonstrate imaging with a 2 cm aperture f/1 all-silicon metalens under ambient thermal…”
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Optical solitary waves in a photonic band gap material
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Dissertation -
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Electrodynamics of Conductive Oxides: Intensity-dependent anisotropy, reconstruction of the effective dielectric constant, and harmonic generation
Published 02-03-2020“…Phys. Rev. A 101, 053828 (2020) We study electromagnetic pulse propagation in an indium tin oxide nanolayer in the linear and nonlinear regimes. We use the…”
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