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 …

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 …

Abstract Silicon-on-insulator (SOI) waveguides with different geometries have been
employed to design various integrated optical components. Reducing the bending radius of …

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 …

This article presents a Ka-band fully metallic crossover-in-antenna based on an anisotropic
lens. The crossover-in-antenna is a multifunction device simultaneously acting as a …

Abstract Silicon nitride (Si 3 N 4) planar waveguide platform combined with silicon-on-
insulator (SOI) devices offer a whole new generation of system-on-chip applications …

Different material platforms, each offering a set of unique advantages, have been introduced
for photonic integrated circuits. These platforms may be used in the same photonic chip to …

In this paper, two low cross-talk and wide bandwidth waveguide intersections are proposed
based on novel types of resonators which are created using rotated photonic crystal lattices …

In this Letter, we investigate the tight focusing of a second-order cylindrical vector beam by a
hyperbolic secant gradient index lens with a thickness of 10 µm, a radius of 9.43 µm, and a …

This paper presents the design of a wideband polygonal directional beam antenna based
on the ray inserting method. The wideband characteristic of the directional beam antenna is …