A review of silicon subwavelength gratings: building break-through devices with anisotropic metamaterials

JM Luque-González, A Sánchez-Postigo… - …, 2021 - degruyter.com
Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

Silicon integrated nanophotonic devices for on-chip multi-mode interconnects

H Xu, D Dai, Y Shi - Applied Sciences, 2020 - mdpi.com
Mode-division multiplexing (MDM) technology has drawn tremendous attention for its ability
to expand the link capacity within a single-wavelength carrier, paving the way for large-scale …

Meta‐Structured Silicon Nanophotonic Polarization Beam Splitter with an Optical Bandwidth of 415 nm

H Xu, Y Qin, G Hu, HK Tsang - Laser & Photonics Reviews, 2023 - Wiley Online Library
The polarization beam splitter (PBS) is a pivotal element in the polarization management of
free‐space optical instruments and systems. Photonic integrated circuits for sensing …

Integrated subwavelength gratings on a lithium niobate on insulator platform for mode and polarization manipulation

X Han, L Chen, Y Jiang, A Frigg, H Xiao… - Laser & Photonics …, 2022 - Wiley Online Library
Lithium niobate on insulator (LNOI) has emerged as a promising platform for photonic
integrated circuits, with a fast‐growing toolbox of components. This paper proposes …

High extinction ratio and an ultra-broadband polarization beam splitter in silicon integrated photonics by employing an all-dielectric metamaterial cladding

A Debevc, M Topič, J Krč - Optics Express, 2022 - opg.optica.org
In silicon and other photonic integrated circuit platforms many devices exhibit a large
polarization dependency, therefore a polarization beam splitter (PBS) is an essential …

Bricked subwavelength gratings: a tailorable on‐chip metamaterial topology

JM Luque‐González, A Ortega‐Moñux… - Laser & Photonics …, 2021 - Wiley Online Library
Integrated metamaterials are redefining the capabilities of silicon photonic chips. In
providing lithographic control over dielectric permittivity, dispersion and anisotropy, they are …

Ultra-high extinction ratio polarization beam splitter with extreme skin-depth waveguide

SZ Ahmed, I Ahmed, MB Mia, N Jaidye, S Kim - Optics Letters, 2021 - opg.optica.org
In this Letter, we present a high extinction ratio and compact on-chip polarization beam
splitter (PBS), based on an extreme skin-depth (eskid) waveguide. Subwavelength-scale …

A compact polarization MMI combiner using silicon slot-waveguide structures

O Brand, B Wolftson, D Malka - Micromachines, 2023 - mdpi.com
The study of designing a compact transverse electric (TE)/transverse magnetic (TM)
polarization multimode interference (MMI) combiner based on silicon slot-waveguide …

Optimization of bulk sensitivity for strip, slot, and subwavelength grating-based waveguides for dual-polarization operation

C Ozcan, JS Aitchison, M Mojahedi - Optics Express, 2023 - opg.optica.org
We propose a dual-polarization optimization method for the bulk sensitivity of silicon-on-
insulator (SOI) waveguides by defining a multi-objective function that accounts for the …

Mode-evolution-based ultra-broadband polarization beam splitter using adiabatically tapered extreme skin-depth waveguide

MB Mia, SZ Ahmed, N Jaidye, I Ahmed, S Kim - Optics Letters, 2021 - opg.optica.org
We present an ultra-broadband silicon photonic polarization beam splitter (PBS) using
adiabatically tapered extreme skin-depth (eskid) waveguides. Highly anisotropic …