P Cheben, DX Xu, S Janz, A Densmore - Optics express, 2006 - opg.optica.org
We propose a new method for mode conversion and coupling between an optical fiber and a sub-micrometer waveguide using a subwavelength grating (SWG) with a period less than …
It is a remarkable and straightforward approach to customize the dispersion and nonlinear properties of the photonic devices without varying the composition of the material by …
We propose a silicon waveguide-fiber grating coupler that uses a subwavelength microstructure to achieve a continuously variable grating strength yet can be fabricated …
G Roelkens, D Vermeulen, D Van Thourhout… - Applied Physics …, 2008 - pubs.aip.org
High efficiency diffractive grating structures to interface a single mode optical fiber and a nanophotonic integrated circuit fabricated on silicon-on-insulator are presented. The …
As most integrated optics platforms, silicon offers only a fixed set of material refractive indices for designing devices. The ability of sub-wavelength patterned structures to …
We report on the experimental demonstration and analysis of a new waveguide principle using subwavelength gratings. Unlike other periodic waveguides such as line-defects in a …
WS Zaoui, A Kunze, W Vogel, M Berroth, J Butschke… - Optics express, 2014 - opg.optica.org
We present a rigorous approach for designing a highly efficient coupling between single mode optical fibers and silicon nanophotonic waveguides based on diffractive gratings. The …
Surface grating couplers are fundamental components in chip-based photonic devices to couple light between photonic integrated circuits and optical fibers. In this work, we report on …
We report on the design, simulation and experimental demonstration of a new type of waveguide crossing based on subwavelength gratings in silicon waveguides. We used 3D …