As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

Abstract Broadband Silicon-On-Insulator (SOI) directional couplers are designed based on a
combination of curved and straight coupled waveguide sections. A design methodology …

We demonstrate a compact high-performance adiabatic 3-dB coupler for the silicon-on-
insulator platform. The refractive index of the gap region between two coupling waveguides …

We demonstrate adiabatic couplers (ADCs) with design-intended splitting ratios (SRs) for
the silicon-on-insulator (SOI) platform. The operational principle, numerical simulations, and …

We design and experimentally demonstrate an ultra-broadband and compact two-mode
multiplexer based on subwavelength-grating-slot-assisted adiabatic coupler for the silicon …

We demonstrate a polarization-independent mode-evolution-based coupler for the silicon-
on-insulator platform. The measured coupler has negligible insertion loss over a bandwidth …

High-performance optical beam splitters are of fundamental importance for the development
of advanced silicon photonics integrated circuits. However, due to the high refractive index …

We propose a compact, ultrabroadband and temperature-insensitive adiabatic directional
coupler based on rib silicon waveguide-enabling arbitrary splitting ratios. Simulation results …

An ultra-broadband and compact 3-dB power splitter has been designed and fabricated
using an adiabatic rib silicon waveguide on the silicon-on-insulator (SOI) platform. This …

Demonstration of 3±0.12 dB power splitting over 145 nm optical bandwidth in a 31-µm long
3-dB rapid adiabatic coupler Page 1 Demonstration of 3±0.12 dB power splitting over 145 nm …