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 …

Silicon photonic platform for passive waveguide devices: materials, fabrication, and applications

Y Su, Y Zhang, C Qiu, X Guo… - Advanced Materials …, 2020 - Wiley Online Library
Silicon photonics has attracted tremendous interest from academia and industry, as the
fabrication of the silicon family of photonic devices is mostly compatible with the …

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 …

Ultra-compact, efficient and high-polarization-extinction-ratio polarization beam splitters based on photonic anisotropic metamaterials

J Zhang, X Shi, Z Zhang, K Guo, J Yang - Optics express, 2021 - opg.optica.org
Anisotropic metameterials (AM) provide a new avenue for a next-generation silicon platform
to design ultra-compact, densely integrated optical components, thus functional devices …

Near-infrared Y-branch polymer splitters realized with compact MMI structures for efficient power splitting

MK Alam, N Afsary, MS Sikder, MS Parvez, P Roy… - Optics …, 2024 - opg.optica.org
Optical splitters are promising photonic devices for next-generation photonic integrated
circuits, which enable signal distribution and routing between the different components …

A review on metasurface beam splitters

Z Shen, D Huang - Nanomanufacturing, 2022 - mdpi.com
Beam splitters are widely used in various optical systems, but traditional beam splitters are
bulky and heavy, which are not conducive to the integrated utilization of optical devices …

Broadband and compact polarization beam splitter in LNOI hetero-anisotropic metamaterials

C Deng, M Lu, Y Sun, L Huang, D Wang, G Hu… - Optics …, 2021 - opg.optica.org
In this paper, theoretical modeling and numerical simulations of a high-performance
polarization beam splitter (PBS) based on hetero-anisotropic metamaterials are proposed …

Integrated lithium niobate polarization beam splitter based on a photonic-crystal-assisted multimode interference coupler

M Yuan, X Han, H **ao, TG Nguyen, A Boes, G Ren… - Optics Letters, 2022 - opg.optica.org
Lithium niobate on insulator (LNOI) is a promising platform for high-speed photonic
integrated circuits (PICs) that are used for communication systems due to the excellent …

Compact broadband polarization beam splitter based on multimode interference coupler with internal photonic crystal for the SOI platform

L Xu, Y Wang, E El-Fiky, D Mao… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
We experimentally demonstrate a compact broadband polarization beam splitter (PBS)
based on a multimode interference (MMI) coupler with internal photonic crystal (PC) for the …

Compact high-performance adiabatic 3-dB coupler enabled by subwavelength grating slot in the silicon-on-insulator platform

L Xu, Y Wang, A Kumar, E El-Fiky, D Mao… - Optics express, 2018 - opg.optica.org
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 …