Compact Polarization-Insensitive 2 × 2 3 dB Quasi-Adiabatic Coupler Based on Shape Optimization

Compact Polarization-Insensitive 2 × 2 3 dB Quasi-Adiabatic Coupler Based on Shape Optimization

In this study, we designed and experimentally demonstrated a compact polarization-insensitive 2 × 2 3 dB quasi-adiabatic coupler based on B-spline curves and shape optimization. By using the supermode to enable the segmented shape optimization of the coupler, we significantly reduced the computation...

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Bibliographic Details
Main Authors: Guangchen Su, Hongliang Chen, Xin Fu, Lin Yang
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Photonics
Subjects:
quasi-adiabatic coupler
inverse design
shape optimization
silicon photonics
waveguide devices
Online Access:https://www.mdpi.com/2304-6732/12/3/208
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