Subwavelength integrated photonics

P Cheben, R Halir, JH Schmid, HA Atwater, DR Smith - Nature, 2018 - nature.com
In the late nineteenth century, Heinrich Hertz demonstrated that the electromagnetic
properties of materials are intimately related to their structure at the subwavelength scale by …

Subwavelength-grating metamaterial structures for silicon photonic devices

R Halir, A Ortega-Moñux, D Benedikovic… - Proceedings of the …, 2018 - ieeexplore.ieee.org
Segmenting silicon waveguides at the subwavelength scale produce an equivalent
homogenous material. The geometry of the waveguide segments provides precise control …

Silicon photonic filters

D Liu, H Xu, Y Tan, Y Shi, D Dai - Microwave and Optical …, 2021 - Wiley Online Library
Photonic filters are playing a very important role in many applications, including optical
interconnects as well as optical sensing. As silicon photonics has provided a very attractive …

Subwavelength grating waveguide structures proposed on the low-cost silica–titania platform for optical filtering and refractive index sensing applications

MA Butt, C Tyszkiewicz, K Wojtasik… - International Journal of …, 2022 - mdpi.com
The sol–gel dip-coating method is a cost-efficient way for the realization of thin films on a
planar substrate. In this work, high-quality, low-loss, and low-surface roughness silica …

Sinusoidal and rectangular Bragg grating filters: design, fabrication, and comparative analysis

H Saghaei, P Elyasi, BJ Shastri - Journal of Applied Physics, 2022 - pubs.aip.org
In this paper, we compare the characteristics of several waveguide Bragg gratings (WBGs)
with sinusoidal and rectangular corrugated sidewalls in high confinement integrated optics …

Thermally-reconfigurable silicon photonic devices and circuits

Y Xie, Y Shi, L Liu, J Wang, R Priti… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Reconfigurable photonic integrated devices and circuits are very important for many
applications. Among various mechanisms for realizing reconfigurability, thermo-optic effect …

High‐Performance Silicon Photonic Filter Using Subwavelength‐Structure Multimode Waveguide Gratings

D Liu, J He, M Zhu, Y Xiang, L Zhang… - Laser & Photonics …, 2023 - Wiley Online Library
On‐chip photonic filters are one of the most important elements for spectrum manipulation in
various optical systems, including wavelength‐division multiplexing and spectrum analysis …

Silicon multimode waveguide grating filter at 2 μm

D Liu, H Wu, D Dai - Journal of Lightwave Technology, 2019 - opg.optica.org
A silicon-based on-chip add-drop optical filter is realized for the wavelength-band of 2 μm by
integrating a multimode waveguide grating (MWG) and a pair of two-channel mode (de) …

Bragg soliton compression and fission on CMOS‐compatible ultra‐silicon‐rich nitride

E Sahin, A Blanco‐Redondo, P Xing… - Laser & Photonics …, 2019 - Wiley Online Library
Higher‐order soliton dynamics, specifically soliton compression and fission, underpin crucial
applications in ultrafast optics, communications, and signal processing. Bragg solitons …

Design and experimental demonstration of a silicon multi-dimensional (de) multiplexer for wavelength-, mode-and polarization-division (de) multiplexing

Y He, Y Zhang, H Wang, L Sun, Y Su - Optics Letters, 2020 - opg.optica.org
Leveraging the physical dimensions of an optical carrier (eg, wavelength, mode, or
polarization) allows significant scaling of the transmission capacity for optical …