Narrowband-to-broadband switchable and polarization-insensitive terahertz metasurface absorber enabled by phase-change material
A terahertz absorber with controllable and switchable bandwidth that is insensitive to
polarization is of great interest. Here, we propose and demonstrate a metasurface absorber …
polarization is of great interest. Here, we propose and demonstrate a metasurface absorber …
Silicon nitride waveguide devices based on gradient-index lenses implemented by subwavelength silicon grating metamaterials
SH Badri, MM Gilarlue - Applied Optics, 2020 - opg.optica.org
The rapid development of photonic integrated circuits demands the design of efficient and
compact waveguide devices such as waveguide tapers and crossings. Some components in …
compact waveguide devices such as waveguide tapers and crossings. Some components in …
Ultra-sharp silicon multimode waveguide bends based on double free-form curves
S Sun, Z Yang, J Wang, R Zhang, F Zhang… - Photonics …, 2022 - opg.optica.org
Mode-division multiplexing (MDM) can greatly improve the capacity of information
transmission. The multimode waveguide bend (MWB) with small size and high performance …
transmission. The multimode waveguide bend (MWB) with small size and high performance …
Broadband achromatic longitudinal bifocal metalens in the visible range based on a single nanofin unit cell
Z Qian, S Tian, W Zhou, J Wang, H Guo - Optics Express, 2022 - opg.optica.org
Metasurfaces provide a remarkable platform to manipulate over phase, amplitude, and
polarization flexibly and precisely. Bifocal metalens draws great research interest due to its …
polarization flexibly and precisely. Bifocal metalens draws great research interest due to its …
Half-Maxwell fisheye lens with photonic crystal waveguide for the integration of terahertz optics
Currently, optics such as dielectric lenses and curved reflector dishes are commonplace in
terahertz laboratories, as their functionality is of fundamental importance to the majority of …
terahertz laboratories, as their functionality is of fundamental importance to the majority of …
Ultra-thin silicon-on-insulator waveguide bend based on truncated Eaton lens implemented by varying the guiding layer thickness
Abstract Silicon-on-insulator (SOI) waveguides with different geometries have been
employed to design various integrated optical components. Reducing the bending radius of …
employed to design various integrated optical components. Reducing the bending radius of …
Coupling between silicon waveguide and metal-dielectric-metal plasmonic waveguide with lens-funnel structure
SH Badri, MM Gilarlue - Plasmonics, 2020 - Springer
Various photonic integrated components have been implemented by ultra-thin silicon-on-
insulator (SOI) waveguides; therefore, it is desirable to couple ultra-thin SOI waveguides to …
insulator (SOI) waveguides; therefore, it is desirable to couple ultra-thin SOI waveguides to …
Multimode waveguide crossing based on a square Maxwell's fisheye lens
Mode-division multiplexing (MDM) is an emerging large-capacity data communication
technology utilizing orthogonal guiding modes as independent data streams. One of the …
technology utilizing orthogonal guiding modes as independent data streams. One of the …
Ultrashort waveguide tapers based on Luneburg lens
SH Badri, MM Gilarlue - Journal of Optics, 2019 - iopscience.iop.org
In integrated photonic circuits, silicon-on-insulator waveguides with different geometries
have been employed to realize a variety of components. Therefore, efficient coupling of two …
have been employed to realize a variety of components. Therefore, efficient coupling of two …
Photonic crystal waveguide crossing based on transformation optics
MM Gilarlue, SH Badri - Optics Communications, 2019 - Elsevier
The absolute instruments like the Maxwell's fisheye (MFE) lens with aberration-free imaging
properties have found interesting applications such as waveguide crossing. The flat …
properties have found interesting applications such as waveguide crossing. The flat …