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Metasurface enabled broadband all optical edge detection in visible frequencies

Here, the Authors demonstrate a 2D isotropic, polarization-independent, broadband edge detection with high transmission efficiency under both coherent and incoherent illumination along the visible range using a metasurface based on Fourier optics principles.

Ibrahim Tanriover
Sina Abedini Dereshgi
Koray Aydin
ResearchOpen Access14 Oct 2023
Nature Communications

Volume: 14, P: 1-8
Plasmonically enhanced metal–insulator multistacked photodetectors with separate absorption and collection junctions for near-infrared applications

Sina Abedini Dereshgi
Zulkarneyn Sisman
Ali Kemal Okyay
ResearchOpen Access09 Feb 2017
Scientific Reports

Volume: 7, P: 1-8
Ultra-Broadband, Lithography-Free, and Large-Scale Compatible Perfect Absorbers: The Optimum Choice of Metal layers in Metal-Insulator Multilayer Stacks

Sina Abedini Dereshgi
Amir Ghobadi
Ekmel Ozbay
ResearchOpen Access01 Nov 2017
Scientific Reports

Volume: 7, P: 1-8
Lithography-free IR polarization converters via orthogonal in-plane phonons in α-MoO₃ flakes

Here, the authors investigate the polarization-dependent optical characteristics of cavities formed using α-MoO₃ to extend the degrees of freedom in the design of IR photonic components exploiting the in-plane anisotropy of this material. Absorption over 80% and polarization conversion is reported without the need for nanoscale fabrication.

Sina Abedini Dereshgi
Thomas G. Folland
Koray Aydin
ResearchOpen Access13 Nov 2020
Nature Communications

Volume: 11, P: 1-9
Disordered Nanohole Patterns in Metal-Insulator Multilayer for Ultra-broadband Light Absorption: Atomic Layer Deposition for Lithography Free Highly repeatable Large Scale Multilayer Growth

Amir Ghobadi
Hodjat Hajian
Ekmel Ozbay
ResearchOpen Access08 Nov 2017
Scientific Reports

Volume: 7, P: 1-10
Ultra-broadband, wide angle absorber utilizing metal insulator multilayers stack with a multi-thickness metal surface texture

Amir Ghobadi
Sina Abedini Dereshgi
Ekmel Ozbay
ResearchOpen Access06 Jul 2017
Scientific Reports

Volume: 7, P: 1-10
Ultra-broadband Asymmetric Light Transmission and Absorption Through The Use of Metal Free Multilayer Capped Dielectric Microsphere Resonator

Amir Ghobadi
Sina Abedini Dereshgi
Ekmel Ozbay
ResearchOpen Access06 Nov 2017
Scientific Reports

Volume: 7, P: 1-11

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Metasurface enabled broadband all optical edge detection in visible frequencies

Plasmonically enhanced metal–insulator multistacked photodetectors with separate absorption and collection junctions for near-infrared applications

Ultra-Broadband, Lithography-Free, and Large-Scale Compatible Perfect Absorbers: The Optimum Choice of Metal layers in Metal-Insulator Multilayer Stacks

Lithography-free IR polarization converters via orthogonal in-plane phonons in α-MoO3 flakes

Disordered Nanohole Patterns in Metal-Insulator Multilayer for Ultra-broadband Light Absorption: Atomic Layer Deposition for Lithography Free Highly repeatable Large Scale Multilayer Growth

Ultra-broadband, wide angle absorber utilizing metal insulator multilayers stack with a multi-thickness metal surface texture

Ultra-broadband Asymmetric Light Transmission and Absorption Through The Use of Metal Free Multilayer Capped Dielectric Microsphere Resonator

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Lithography-free IR polarization converters via orthogonal in-plane phonons in α-MoO₃ flakes