Renato Orta

Optical vortices 30 years on: OAM manipulation from topological charge to multiple singularities

Optical microcavities

Light in tiny holes

Controlling light’s helicity at the source: orbital angular momentum states from lasers

Silicon microring resonators

Dielectric gradient metasurface optical elements

Microring resonator channel dropping filters

Review of substrate-integrated waveguide circuits and antennas

Design guidelines for optical resonator biochemical sensors

Transmission, Group Delay, and Dispersion in Single-Ring Optical Resonators and Add/Drop Filters—A Tutorial Overview

Resonant transmission through a metallic film due to coupled modes

Development of Millimeter-Wave Planar Diplexers Based on Complementary Characters of Dual-Mode Substrate Integrated Waveguide Filters With Circular and Elliptic Cavities

Coupling-induced resonance frequency shifts in coupled dielectric multi-cavity filters

Designing coupled-resonator optical waveguide delay lines

Multiple dielectric loaded perforated screens as frequency selective surfaces

Synthesis of multiple-ring-resonator filters for optical systems

A new approach to the design of dual-mode rectangular waveguide filters with distributed coupling

Modal Performance of Spiral Phase Plate VCSELs