Compact Low Loss Mid-Infrared Wavelength-Flattened Directional Coupler (WFDC) for Arbitrary Power Splitting Ratio Enabled by Rib Waveguide Dispersion Engineering

We design, fabricate, and characterize a novel type of wavelength-flattened directional coupler (WFDC) working in the mid-infrared (MIR) based on the physics of rib waveguide dispersion. In the silicon-on-insulator rib waveguide WFDC devices with length

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2018-07, Vol.24 (4), p.1-8
Main Authors: Bowei Dong, Xianshu Luo, Ting Hu, Guo, Tina Xin, Hong Wang, Dim-Lee Kwong, Lo, Patrick Guo-Qiang, Chengkuo Lee
Format: Article
Language:English
Subjects:
Bandwidth
Couplings
Dispersion
Fabrication
optical coupling
optical losses
Optical waveguides
photonic integrated circuits
Ribs
Sensors
silicon photonics
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Description
Summary:We design, fabricate, and characterize a novel type of wavelength-flattened directional coupler (WFDC) working in the mid-infrared (MIR) based on the physics of rib waveguide dispersion. In the silicon-on-insulator rib waveguide WFDC devices with length
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2018.2811902