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Metal-printing tunable interlayer waveguide coupler using low-loss fluorinated polycarbonate.

Chunxue Wang, Daming Zhang, Shuxiang Ding

|June 1, 2022

Summary

This summary is machine-generated.

We developed a novel thermo-optic (TO) tunable interlayer waveguide coupler using metal-printing. This efficient method enhances 3D integrated photonic devices for optical interconnection networks.

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Area of Science:

Photonics
Materials Science
Optical Engineering

Background:

Three-dimensional (3D) integrated optical waveguide chips are crucial for advanced photonic modules.
Tunable optical interconnections are needed to expand device applications in 3D integration.

Purpose of the Study:

To propose and demonstrate a thermo-optic (TO) tunable interlayer waveguide coupler.
To utilize an efficient metal-printing technique for fabricating dynamic multilayer waveguide chips.

Main Methods:

Synthesis of low-loss AF-Ali-PC MA for the core and P(MMA-co-GMA) for the cladding.
Analysis of thermal stability and optical adsorption of AF-Ali-PC MA.
Simulation of optical signal transmission in interlayer coupling waveguides.
Fabrication of the TO tunable interlayer waveguide coupler using metal-printing.

Main Results:

Achieved a TO tunable interlayer waveguide coupler with an on-off time of 250 µs.
Measured low electrical power consumption of 7.6 mW.
Demonstrated the efficiency of metal-printing for improving optical response and fabrication.

Conclusions:

The metal-printing technique enables efficient fabrication of TO tunable interlayer waveguide couplers.
This technology is suitable for large-scale photonic integrated circuits (PICs) and optical cross-connect (OXC) networks.
Represents a novel approach to tunable optical interconnections in 3D integrated systems.