Fast Adiabatic Mode Evolution Assisted 2 × 2 Broadband 3 dB Coupler Using Silicon-on-Insulator Fishbone-like Grating Waveguides

Fast Adiabatic Mode Evolution Assisted 2 × 2 Broadband 3 dB Coupler Using Silicon-on-Insulator Fishbone-like Grating Waveguides

We report a novel 2 × 2 broadband 3 dB coupler based on fast adiabatic mode evolution with a compact footprint and large bandwidth. The working principle of the coupler is based on the rapid adiabatic evolution of local eigenmodes of fishbone-like grating waveguides. Different from a traditional adi...

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Bibliographic Details
Main Authors: Yulong Xue, Lingxuan Zhang, Yangming Ren, Yufang Lei, Xiaochen Sun
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Nanomaterials
Subjects:
fast adiabatic
broadband coupler
grating waveguides
power splitter
local eigenmodes
Online Access:https://www.mdpi.com/2079-4991/13/20/2776

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