A novel approach to design N× N silica-on-silicon optical switches based on phase-
compensated and cascaded multimode interference structures is presented. Taking into …

Si-nanowire waveguides are attractive structures for constructing various optical devices that
are extremely small, and that can be flexibly connected as devices on a silicon (Si) wafer …

We report on a novel design of a wavelength selective switch (WSS) using silicon photonics
technology. It comprises of 1× 4 interleavers, arrayed-waveguide gratings (AWGs) …

An ultra-low-loss coupler for interfacing a silicon-on-insulator ridge waveguide and a single-
mode fiber in both polarizations is presented. The inverted taper coupler, embedded in a …

A theoretical analysis of possible ways to achieve light 90°-turns with silicon-on-insulator
(SOI) polarization-independent micro-waveguides, which are key elements for …

In recent years, the silica-on-silicon based multimode interference (MMI) optical waveguide
is an interesting research topic. It is being advanced various researches on the silica based …

An ultracompact optical-multiplexer-based two-mode interference (TMI) coupler has been
designed for the first time using a mathematical model based on sinusoidal modes and …

A silicon-based polarization rotator (PR) for cross-slot waveguides is proposed and
analyzed. The rotation region of the PR is formed by removing one of the silicon wires from a …

We report the observation of four-wave mixing phenomenon in a simple silicon wire
waveguide at the optical powers normally employed in communications systems. The …

Fiber-chip edge couplers are extensively used in integrated optics for coupling of light
between planar waveguide circuits and optical fibers. In this work, we report on a new fiber …