Arbitrary ratio power splitter based on shape optimization for dual-band operation

J Liao, Y Tian, X Zhang, Y An, Z Kang - Optics & Laser Technology, 2024 - Elsevier
Arbitrary ratio power splitters (ARPSs) are essential components in integrated photonics.
However, most existing ARPSs are limited to operating within a single wavelength band. To …

Optimization and realization all-optical compact five-channel demultiplexer using 2D photonic crystal based hexagonal cavities

M Mohammadi, M Seifouri, S Olyaee… - Journal of Computational …, 2021 - Springer
In this paper, a compact all-optical five-channel demultiplexer (DEMUX) using 2D photonic
crystal hexagonal cavities is proposed. The proposed DEMUX comprises bus/drop …

Inverse designed tunable four-channel wavelength demultiplexer

J Han, J Huang, J Wu, J Yang - Optics Communications, 2020 - Elsevier
Traditional wavelength demultiplexers are usually designed by brute-force parameter
swee** that only uses a small parameter space, which limits the functionality and …

Inverse-designed low-crosstalk CWDM (de) multiplexer assisted by photonic crystals

R Wu, F Ding, F Li, Y Liu - Journal of Lightwave Technology, 2024 - ieeexplore.ieee.org
Compact and integrated wavelength demultiplexers are key components of photonic
integrated circuits for on-chip communications. The inverse design method has shown …

A tailored 100%-efficient 532/1064-nm demultiplexer in y-cut LiNbO3 crystal

H Liu, Y Li, Q Yang, S Zhou, Y Jia - Optics Letters, 2023 - opg.optica.org
In this Letter, we report a tailored 532/1064-nm demultiplexer based on a multimode
interference (MMI) coupler with an efficiency of 100%. The device structure is designed …

Design and demonstration of compact and broadband wavelength demultiplexer based on subwavelength grating (SWG)

F Wang, X Xu, C Zhang, C Sun… - IEEE Photonics Journal, 2022 - ieeexplore.ieee.org
An ultracompact and broadband silicon wavelength demultiplexer based on SWG-assisted
directional coupler is designed and experimentally demonstrated for wavelength splitting of …

Inverse design of subwavelength gratings-assisted ultracompact 1.55/2 μm wavelength diplexer based on a bullet-shaped structure

J Wen, Y Pan, Z Wu, C Ma, W Fan, Y Zhang… - Optical and Quantum …, 2024 - Springer
As an effective and feasible method, inverse design has been widely used in the design of
silicon-based photonic devices. We propose a silicon-based wavelength diplexer in the form …

High-extinction-ratio and compact 1310/1550 nm wavelength diplexer on SOI platform based on an SWG-structured two-mode interference coupler

J Zhang, L Xu, D Mao, Z **ng, Y D'Mello… - IEEE Photonics …, 2022 - ieeexplore.ieee.org
We propose a 1310/1550 nm wavelength diplexer on a 220-nm silicon-on-insulator (SOI)
platform. The device is based on a compact two-mode interference (TMI) coupler enabled by …

Ultra-compact soi-based higher-order mode pass wavelength demultiplexer

J Chen, W Pan, C Ji - Applied Optics, 2024 - opg.optica.org
We propose an ultra-compact mode filtering wavelength demultiplexer design with a
footprint of 3 µ m× 3 µ m. Our device can route input TE 1 mode signals at 1310 nm and …

Waveguide-integrated digital metamaterials for wavelength, mode and polarization demultiplexing

Y Wang, J Li, M Wang, S Zhang, Y Liu, H Ye - Optical Materials, 2021 - Elsevier
In this paper, we present a general design scheme for waveguide-integrated demultiplexing
devices based on intelligent topology search method combining density model and gradient …