This tutorial describes the transmission, group delay time and quadratic dispersion
properties of the four basic building blocs of optical filters built using ring resonators. These …

This paper describes recent research activities and results in the area of photonic switching
carried out within the framework of the EU-funded e-Photon/ONe+ network of excellence …

General filter architecture using co-and counterpropagation signals are studied. A specific
configuration based on a Sagnac loop within a ring resonator is analyzed. Novel tuning …

The device is based on a loop mirror in a ring resonator. The loop mirror allows tuning by
changing the coupling coefficient of a directional coupler. The loop mirror is implemented …

This paper describes recent research activities and results in the area of photonic switching
carried out within the Virtual Department on Switching (VDS) of the European e-Photon/ONe …

This study presents an accurate numerical analysis of a microcavity ring resonator based on
high-index-contrast waveguide. The analysis is carried out using a multiresolution time …

Back reflections from series‐coupled optical microring resonator filters caused by
waveguide discontinuities are numerically investigated and optimized. The focus is on small …

Novel demultiplexer configurations based on concatenated Mach-Zehnders and a ring
resonator are presented. These new devices exhibit high channel isolation, flexibility, no …

Tunable, grating-assisted ring resonator based optical mirrors are analyzed and their
characteristics numerically evaluated. Mode number selection rules are presented to aid …

This chapter describes the probable application of liquid crystal (LC) in signal switching for
optical communication. The main focus points are the properties and principles of LC …