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Genetically optimized design of ultra-compact and highly efficient waveguide crossing, optical attenuator and reflector 

Şahin, Umut; Bor, Emre; Kurt, Hamza; Turduev, Mirbek (IEEE Computer Society, 2019)
In this study, we present the design of ultra-compact and highly efficient photonic integrated devices by applying a meta-heuristic approach. Here, we integrated the three-dimensional finite-difference time-domain method ...
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Strong light confinement of tunable resonances in low symmetric quasicrystal through orientational variations 

Yilmaz, D.; Tutgun, M.; Kurt, Hamza (SPIE, 2018)
We propose octagonal quasi-crystal designs providing effective light confinement for different resonance frequencies through the structural modification with the utilization of low-symmetric photonic unit cells. The effect ...
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Photonic wavy structures for angular filtering of light 

Babayiğit, Ceren; Grineviciute , Lina; Gailevicius, Darius; Bor, Emre; Turduev, Mirbek; Purlys, Vytautas; Tolenis, Tomas; Kurt, Hamza; Staliunas, Kestutis (IEEE Computer Society, 2019)
In this study, we propose and experimentally demonstrate spatial filtering of light by the photonic wavy structures designed to be operated in a Bragg regime. The proposed configuration is designed, optimized and analyzed ...
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Directional Invisibility of Elliptical Shaped All Dielectric Structure Induced by Evolutionary Optimization Approach 

Babayiğit, C.; Bor, E.; Kurt, Hamza; Staliunas, K.; Turduev, M. (IEEE Computer Society, 2018-09)
This study presents an optimal design of directional optical cloaking device based on evolutionary optimization approach. A cylindrical shaped perfectly electric conductor (PEC) material is selected as an object to be ...
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Parametric study of multi-outputs T-junction spatial mode demultiplexers design with an objective-first algorithm 

Alpkılıç, Ahmet M.; Yılmaz, Yusuf A.; Kurt, Hamza (SPIE, 2019)
We design two different compact and low-loss 2D T-junction optical mode demultiplexing by using objective-first inverse design algorithm. These devices are designed for transverse-electric (TE) and transverse magnetic (TM), ...
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Accelerating beam generation via all-dielectric metasurfaces 

Yılmaz, Nazmi; Bağcı, Fehim Taha; Özer, Ahmet; Kurt, Hamza (SPIE, 2019)
All-dielectric metasurfaces are unique component to control optical wavefront with high transmission or reflection coefficient. Recently, accelerating beam, which propagates along curved arbitrary trajectories, has been ...
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Theoretical and experimental study on surface modes of low symmetric periodic structures 

Yilmaz, D.; Kurt, Hamza (IEEE Computer Society, 2017-09)
In this study, surface waves supported at the boundary of two-dimensional all dielectric low-symmetric periodic structures (LSPS) are numerically investigated and experimentally verified in the microwave region. In LSPSs ...
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Transmission enhanced wavelength demultiplexer design based on photonic crystal waveguide with gradually varied width 

Neşeli, Berkay; Bor, Emre; Kurt, Hamza; Turduev, Mirbek (IEEE Computer Society, 2019)
In this study, we propose the design of photonic crystals with linearly tapered waveguide such that waveguide width is gradually varied. Four drop-channels are included to implement wavelength demultiplexing applications. ...
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Surface texturing with multi-objective particle swarm optimization for absorption enhancement in silicon photovoltaics 

Atalay, İpek Anıl; Babayiğit, Ceren; Alpkılıç, Ahmet Mesut; Abdulaziz Yılmaz, Yusuf; Kurt, Hamza (IEEE Computer Society, 2019)
Increasing light absorption in ultrathin-film silicon solar cells is important to improve efficiency and reduce costs. In this study, multi-objective particle swarm optimization (MOPSO) is employed to find proper solar ...
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Inverse design of integrated photonic structures 

Yılmaz, Yusuf Abdulaziz; Alpkılıç, Ahmet Mesut; Tutgun, Mediha; Yılmaz, Döne; Atalay, İpek Anıl; Yeltik, Aydan; Kurt, Hamza (IEEE Computer Society, 2019)
Designs of photonic devices have been mainly based on intuitive and brute-force approach. However, there has been increasing demand in photonics to obtain high device performance and improved functionalities along with ...
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Kurt, Hamza (57)
Staliunas, K. (11)Turduev, M. (10)Botey, M. (7)Herrero, R. (7)Bor, Emre (6)Hayran, Z. (6)Turduev, Mirbek (6)Staliunas, Kestutis (5)Can, M.G. (4)... View MoreSubjectPhotonic crystals (9)photonics (7)balanced gain (6)Parity (6)solitons (6)graded photonic (5)photonic crystals (4)slow light (4)finite difference methods (3)metasurface (3)... View MoreDate Issued2019 (18)2018 (14)2017 (9)2014 (7)2015 (4)2020 (3)2016 (2)Has File(s)No (57)Type
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CoverageKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı (57)WOSWOS:000427031500062 (1)WOS:000440130100026 (1)WOS:000450822200002 (1)WOS:000453298500014 (1)WOS:000454357000003 (1)WOS:000454357000012 (1)WOS:000454357000015 (1)WOS:000462559300032 (1)WOS:000462559300335 (1)WOS:000482226300053 (1)... View MoreScopus2-s2.0-84902436941&origin (1)2-s2.0-84902492628 (1)2-s2.0-84906753042 (1)2-s2.0-84906753054 (1)2-s2.0-84921293950 (1)2-s2.0-84921315655 (1)2-s2.0-84921318131 (1)2-s2.0-84940917494 (1)2-s2.0-84940921712 (1)2-s2.0-84940932865 (1)... View MoreAvrupa Birliği Destekli Yayın Sayısı[FIS2015-65998-C2-1-P] (1)European Union FEDER [FIS2015-65998-C2-1-P] (1)European Union FEDEREuropean Union (EU) [FIS2015-65998-C2-1-P] (1)TÜBİTAK Destekli Yayın Sayısı[116F182] (6)[115R036] (4)[116F200] (4)info:eu-repo/grantAgreement/TÜBİTAK/MFAG/116F200 (3)[115R06] (1)Dil
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