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 …
Inverse-designed low-loss and wideband polarization-insensitive silicon waveguide crossing
Waveguide crossings are an essential component for constructing complex and functional
on-chip photonic networks. Polarization-insensitive waveguide crossings are desired …
on-chip photonic networks. Polarization-insensitive waveguide crossings are desired …
Focusing a second-order cylindrical vector beam with a gradient index mikaelian lens
SS Stafeev, ES Kozlova, AG Nalimov - Computer Optics, 2020 - ui.adsabs.harvard.edu
In this paper, we numerically simulate the focusing of a second-order cylindrical vector beam
with a gradient index Mikaelian lens. It is shown that the lens forms a region of the reverse …
with a gradient index Mikaelian lens. It is shown that the lens forms a region of the reverse …
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 …
Elliptical generalized Maxwell fish-eye lens using conformal mapping
H Eskandari, MS Majedi, AR Attari… - New Journal of …, 2019 - iopscience.iop.org
A circular graded index lens is conformally transformed to an elliptical shape using a closed-
form transformation. The proposed transformation is then employed to compress a Maxwell …
form transformation. The proposed transformation is then employed to compress a Maxwell …
Multilayered Maxwell's fisheye lens as waveguide crossing
The Maxwell's fisheye (MFE) lens, due to its focusing properties, is an interesting candidate
for implementing the crossing of multiple waveguides. The MFE lens is implemented by two …
for implementing the crossing of multiple waveguides. The MFE lens is implemented by two …
Controlling refractive index of transformation-optics devices via optical path rescaling
H Eskandari, T Tyc - Scientific Reports, 2019 - nature.com
We present a general method of designing optical devices based on optical conformal
mapping and rescaling the optical path along a given bunch of rays. It provides devices with …
mapping and rescaling the optical path along a given bunch of rays. It provides devices with …
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 …