T. Smy
YOU?
Author Swipe
View article: Mixed Spatial-Spectral Domain Analysis of Spatially Dispersive Metasurfaces using Higher-Order Boundary Conditions
Mixed Spatial-Spectral Domain Analysis of Spatially Dispersive Metasurfaces using Higher-Order Boundary Conditions Open
Higher-order boundary conditions are a useful tool for simplification of complex electromagnetic problems, such as spatially dispersive metasurfaces. A technique known as the Extended Generalized Sheet Transition Conditions (GSTCs) method …
View article: Waveguide-Floquet Mapping Using Surface Susceptibilities for Passive and Active Metasurface Unit Cell Characterization
Waveguide-Floquet Mapping Using Surface Susceptibilities for Passive and Active Metasurface Unit Cell Characterization Open
A simple waveguide-Floquet mapping is proposed and theoretically investigated that links the scattering response of a sub-wavelength metasurface unit cell under an infinite periodic array configuration and when measured inside a shielded r…
View article: Time-Domain Analysis of Temporally and Spatially Dispersive Metasurfaces in GSTC-FDTD Frameworks
Time-Domain Analysis of Temporally and Spatially Dispersive Metasurfaces in GSTC-FDTD Frameworks Open
In this paper, we propose two different methods for time-domain finite-difference analysis of uniform temporally and spatially dispersive metasurfaces using their zero thickness sheet representations using the Generalized Sheet Transition …
View article: Time-Domain Analysis of Temporally and Spatially Dispersive Metasurfaces in GSTC-FDTD Frameworks
Time-Domain Analysis of Temporally and Spatially Dispersive Metasurfaces in GSTC-FDTD Frameworks Open
In this paper, we propose two different methods for time-domain finite-difference analysis of uniform temporally and spatially dispersive metasurfaces using their zero-thickness sheet representations using the Generalized Sheet Transition …
View article: Surface Susceptibility Synthesis of Spatially Dispersive Metasurfaces for Space Compression and Spatial Signal Processing
Surface Susceptibility Synthesis of Spatially Dispersive Metasurfaces for Space Compression and Spatial Signal Processing Open
An analytical method is proposed to synthesize the angle-dependent surface susceptibilities, χ of spatially dispersive or non-local zero-thickness metasurfaces. The proposed method is based on the extended Generalized Sheet Transition Cond…
View article: Surface Susceptibility Synthesis of Spatially Dispersive Metasurfaces for Space Compression and Spatial Signal Processing
Surface Susceptibility Synthesis of Spatially Dispersive Metasurfaces for Space Compression and Spatial Signal Processing Open
An analytical method is proposed to synthesize the angle-dependent surface susceptibilities, χ of spatially dispersive or non-local zero-thickness metasurfaces. The proposed method is based on the extended Generalized Sheet Transition Cond…
View article: Field Scattering Analysis of Cylindrical Spatially Dispersive Metasurfaces
Field Scattering Analysis of Cylindrical Spatially Dispersive Metasurfaces Open
A semi-analytical technique to simulate spatially dispersive (SD) cylindrical metasurfaces is proposed and demon- strated. This method is based on the well-known Eigenfunction Expansion (EFE) method and extends the work of [1], [2] by inte…
View article: Field Scattering Analysis of Cylindrical Spatially Dispersive Metasurfaces
Field Scattering Analysis of Cylindrical Spatially Dispersive Metasurfaces Open
A semi-analytical technique to simulate spatially dispersive (SD) cylindrical metasurfaces is proposed and demon- strated. This method is based on the well-known Eigenfunction Expansion (EFE) method and extends the work of [1], [2] by inte…
View article: Implementation of Traveling Wave Models of Grating-Based Integrated Optical Devices for Circuit Simulation
Implementation of Traveling Wave Models of Grating-Based Integrated Optical Devices for Circuit Simulation Open
This paper presents the development and use of a traveling wave model of waveguide-based grating devices for use as a compact model in a circuit-level simulator. Both passive and active devices are modeled, with the grating being character…
View article: Nonlinear FDTD Simulation of Optical Thin Films with Intensity-Dependent Drude-Lorentz Parameters
Nonlinear FDTD Simulation of Optical Thin Films with Intensity-Dependent Drude-Lorentz Parameters Open
Nonlinear optical materials, such as transparent conductive oxides, have recently drawn a lot of attention when being integrated into metasurfaces and allowing full-optical control of the surface response. Although several methods for mode…
View article: Nonlinear FDTD Simulation of Optical Thin Films with Intensity-Dependent Drude-Lorentz Parameters
Nonlinear FDTD Simulation of Optical Thin Films with Intensity-Dependent Drude-Lorentz Parameters Open
Nonlinear optical materials, such as transparent conductive oxides, have recently drawn a lot of attention when being integrated into metasurfaces and allowing full-optical control of the surface response. Although several methods for mode…
View article: Circular Optical Phased Array with Large Steering Range and High Resolution
Circular Optical Phased Array with Large Steering Range and High Resolution Open
Light detection and ranging systems based on optical phased arrays and integrated silicon photonics have sparked a surge of applications over the recent years. This includes applications in sensing, free-space communications, or autonomous…
View article: Part III - Spatially Dispersive Metasurfaces: Zero Thickness Modeling of Periodic and General Non-uniform Surfaces
Part III - Spatially Dispersive Metasurfaces: Zero Thickness Modeling of Periodic and General Non-uniform Surfaces Open
A zero thickness model of non-uniform spatially dispersive (SD) metasurfaces is developed and demonstrated numerically for practical structures. This is an extension of [1], [2], which proposed a method of modeling uniform spatially disper…
View article: Part III - Spatially Dispersive Metasurfaces: Zero Thickness Modeling of Periodic and General Non-uniform Surfaces
Part III - Spatially Dispersive Metasurfaces: Zero Thickness Modeling of Periodic and General Non-uniform Surfaces Open
A zero thickness model of non-uniform spatially dispersive (SD) metasurfaces is developed and demonstrated numerically for practical structures. This is an extension of [1], [2], which proposed a method of modeling uniform spatially disper…
View article: Part 2 – Eigenfunction Expansion (EFE) Analysis of Cylindrical and Sectorial Metasurfaces
Part 2 – Eigenfunction Expansion (EFE) Analysis of Cylindrical and Sectorial Metasurfaces Open
This paper presents a formulation of an eigenfunction expansion (EFE) technique for the analysis of multi-shell cylindrical metasurface configurations and tests the validity of zero thickness sheet models for simulating practical structure…
View article: Part 2 – Eigenfunction Expansion (EFE) Analysis of Cylindrical and Sectorial Metasurfaces
Part 2 – Eigenfunction Expansion (EFE) Analysis of Cylindrical and Sectorial Metasurfaces Open
This paper presents a formulation of an eigenfunction expansion (EFE) technique for the analysis of multi-shell cylindrical metasurface configurations and tests the validity of zero thickness sheet models for simulating practical structure…
View article: Surface Susceptibilities as Characteristic Models of Reflective Metasurfaces
Surface Susceptibilities as Characteristic Models of Reflective Metasurfaces Open
While metasurfaces (MSs) are constructed from deeply subwavelength unit cells, they are generally electrically large and full-wave simulations of the complete structure are computationally expensive. Thus, to reduce this high computational…
View article: Circular Optical Phased Arrays with Radial Nano-Antennas
Circular Optical Phased Arrays with Radial Nano-Antennas Open
On-chip optical phased arrays (OPAs) are the enabling technology for diverse applications, ranging from optical interconnects to metrology and light detection and ranging (LIDAR). To meet the required performance demands, OPAs need to achi…
View article: Part 1 – Eigenfunction Expansion (EFE) Analysis of Cylindrical Metasurfaces: Zero ThicknessTensorial Surface Susceptibility Model
Part 1 – Eigenfunction Expansion (EFE) Analysis of Cylindrical Metasurfaces: Zero ThicknessTensorial Surface Susceptibility Model Open
We present a rigorous semi-analytical formulation for the analysis of electromagnetic (EM) scattering from a cylinder constructed from a metasurface represented using surface susceptibilities. The formulation uses the Generalized Sheet Tra…
View article: Part 1 – Eigenfunction Expansion (EFE) Analysis of Cylindrical Metasurfaces: Zero ThicknessTensorial Surface Susceptibility Model
Part 1 – Eigenfunction Expansion (EFE) Analysis of Cylindrical Metasurfaces: Zero ThicknessTensorial Surface Susceptibility Model Open
We present a rigorous semi-analytical formulation for the analysis of electromagnetic (EM) scattering from a cylinder constructed from a metasurface represented using surface susceptibilities. The formulation uses the Generalized Sheet Tra…
View article: Metasurface Near-Field Measurements with Incident Field Reconstruction Using a Single Horn Antenna
Metasurface Near-Field Measurements with Incident Field Reconstruction Using a Single Horn Antenna Open
Metasurfaces (MSs) are the 2-D equivalent of metaterials, the latter being a class of artificial engineered materials exhibiting peculiar electromagnetic properties [1], [2]. Generally constructed as arrays of deeply sub-wavelength resonan…
View article: IE-GSTC Metasurface Field Solver Using Surface Susceptibility Tensors With Normal Polarizabilities
IE-GSTC Metasurface Field Solver Using Surface Susceptibility Tensors With Normal Polarizabilities Open
An Integral Equation (IE) based electromagnetic field solver using metasurface susceptibility tensors is proposed and validated using variety of numerical examples in 2D. The proposed method solves for fields generated by the metasurface w…
View article: Ray Optical Scattering from Uniform Reflective Cylindrical Metasurfaces using Surface Susceptibility Tensors
Ray Optical Scattering from Uniform Reflective Cylindrical Metasurfaces using Surface Susceptibility Tensors Open
A ray optical methodology based on the uniform theory of diffraction is proposed to model electromagnetic field scattering from curved metasurfaces. The problem addressed is the illumination of a purely reflective uniform cylindrical metas…
View article: Ray Optical Scattering from Uniform Reflective Cylindrical Metasurfaces using Surface Susceptibility Tensors
Ray Optical Scattering from Uniform Reflective Cylindrical Metasurfaces using Surface Susceptibility Tensors Open
A ray optical methodology based on the uniform theory of diffraction is proposed to model electromagnetic field scattering from curved metasurfaces. The problem addressed is the illumination of a purely reflective uniform cylindrical metas…
View article: Integrated optical phased arrays with circular architecture on a silicon platform
Integrated optical phased arrays with circular architecture on a silicon platform Open
Optical phased arrays (OPAs) are now at the forefront of photonic research as a key beam steering technology for myriad of photonic applications, including in light detection and ranging (LIDAR), communications, and metrology, among others…
View article: Static Metasurface Reflectors with Independent Magnitude and Phase Control using Coupled Resonator Configuration
Static Metasurface Reflectors with Independent Magnitude and Phase Control using Coupled Resonator Configuration Open
A static metasurface reflector based on a novel coupled resonator configuration is proposed to independently controlthe reflection phase and magnitude of linearly polarized incident fields, and is demonstrated experimentally in the millime…
View article: Static Metasurface Reflectors with Independent Magnitude and Phase Control using Coupled Resonator Configuration
Static Metasurface Reflectors with Independent Magnitude and Phase Control using Coupled Resonator Configuration Open
A static metasurface reflector based on a novel coupled resonator configuration is proposed to independently controlthe reflection phase and magnitude of linearly polarized incident fields, and is demonstrated experimentally in the millime…
View article: Ray-Optical Evaluation of Scattering From Electrically Large Metasurfaces Characterized by Locally Periodic Surface Susceptibilities
Ray-Optical Evaluation of Scattering From Electrically Large Metasurfaces Characterized by Locally Periodic Surface Susceptibilities Open
This work continues the development of the raytracing method of [1] for computing the scattered fields from metasurfaces characterized by locally periodic reflection and transmission coefficients. In this work, instead of describing the me…
View article: Surface Susceptibilities as Compact Full-Wave Simulation Models of Fully-Reflective Volumetric Metasurfaces
Surface Susceptibilities as Compact Full-Wave Simulation Models of Fully-Reflective Volumetric Metasurfaces Open
While metasurfaces (MSs) are constructed from deeply-subwavelength unit cells, they are generally electrically-large and full-wave simulations of the complete structure are computationally expensive. Thus, to reduce this high computational…