Real photonic waveguides: guiding light through imperfections
Real photonic waveguides are affected by structural imperfections due to fabrication
tolerances that cause scattering phenomena when the light propagates through. These …
tolerances that cause scattering phenomena when the light propagates through. These …
Low-loss ultracompact transverse-magnetic-pass polarizer with a silicon subwavelength grating waveguide
An ultracompact and low-loss TM-pass polarizer on silicon is proposed and demonstrated
experimentally with a subwavelength-grating (SWG) waveguide. The SWG waveguide is …
experimentally with a subwavelength-grating (SWG) waveguide. The SWG waveguide is …
Evanescent field waveguide sensing with subwavelength grating structures in silicon-on-insulator
We explore, to the best of our knowledge, the potential of diffractionless subwavelength
grating waveguides for sensing applications. We show that by subwavelength patterning of …
grating waveguides for sensing applications. We show that by subwavelength patterning of …
High coupling efficiency etched facet tapers in silicon waveguides
We demonstrate a platform based on etched facet silicon inverse tapers for waveguide-
lensed fiber coupling with a loss as low as 0.7 dB/facet. This platform can be fabricated on a …
lensed fiber coupling with a loss as low as 0.7 dB/facet. This platform can be fabricated on a …
Suspended SOI waveguide with sub-wavelength grating cladding for mid-infrared
JS Penadés, C Alonso-Ramos, AZ Khokhar… - Optics letters, 2014 - opg.optica.org
We present a new type of mid-infrared silicon-on-insulator (SOI) waveguide. The waveguide
comprises a sub-wavelength lattice of holes acting as lateral cladding while at the same time …
comprises a sub-wavelength lattice of holes acting as lateral cladding while at the same time …
High‐efficiency single etch step apodized surface grating coupler using subwavelength structure
Grating couplers are key elements enabling the coupling of light between planar waveguide
circuits and optical fibers. In this work, it is demonstrated using simulations and experiments …
circuits and optical fibers. In this work, it is demonstrated using simulations and experiments …
Sub-wavelength grating components for integrated optics applications on SOI chips
In this paper we demonstrate silicon on insulator (SOI) sub-wavelength grating (SWG)
optical components for integrated optics and sensing. Light propagation in SWG devices is …
optical components for integrated optics and sensing. Light propagation in SWG devices is …
Experimental demonstration of polarization-insensitive air-cladding grating couplers for silicon-on-insulator waveguides
We present an air-cladding apodized focusing subwavelength grating that can effectively
couple two polarizations into a single waveguide. For the transverse magnetic mode,− 3.2 …
couple two polarizations into a single waveguide. For the transverse magnetic mode,− 3.2 …
Spatial heterodyne Fourier-transform waveguide spectrometers
Overcoming current resolution limits of optical spectroscopy could revolutionize research in
diverse fields such as atomic and molecular spectroscopy, bio-chemistry, and astronomy. In …
diverse fields such as atomic and molecular spectroscopy, bio-chemistry, and astronomy. In …
Analysis of straight periodic segmented waveguide using the 2-D finite element method
CE Rubio-Mercedes… - Journal of lightwave …, 2014 - opg.optica.org
A numerical analysis of periodic segmented waveguides (PSWs) using the 2-D finite
element method (2D-FEM) in the frequency domain is presented. This method has …
element method (2D-FEM) in the frequency domain is presented. This method has …