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Programmable optical switching integrated chip for 4-bit binary true/inverse/complement code conversions based on

Jian Yue, Jinkai Wang, Li Zhang

|November 29, 2023

Summary

This summary is machine-generated.

This study introduces novel optical switching integrated chips for 4-bit binary optical code conversions (OCCs) using fluorinated photopolymers. These chips offer high-speed signal processing with low power consumption, enabling advanced optical computing systems.

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Area of Science:

Photonics and Optical Engineering
Materials Science
Integrated Optics

Background:

Optical Code Conversions (OCCs) are crucial for optical signal processing.
Developing high-performance, low-power optical switching devices is essential for optical computing.

Purpose of the Study:

To propose and demonstrate programmable optical switching integrated chips for 4-bit binary true/inverse/complement OCCs.
To utilize novel fluorinated photopolymers for enhanced chip performance.

Main Methods:

Self-synthesis of fluorinated bis-phenol-A novolac resin (FAR) and fluorinated polyacrylate (FPA) for core and cladding.
Design of an operating unit comprising directional coupler Mach-Zehnder interferometer (DC-MZI) thermo-optic (TO) switching, X-junction, and Y-bunching waveguides.
Cascading 16 operating units to form a waveguide module for OCCs realization via optical transmission matrix.

Main Results:

Achieved 4-bit binary OCCs with a response time of approximately 300 µs.
Measured insertion loss of ~10.5 dB and extinction ratio of ~15.2 dB.
Demonstrated low electric driving power consumption (< 6 mW) for OCCs.

Conclusions:

The proposed fluorinated photopolymer-based optical switching chips successfully implement true/inverse/complement OCCs.
The technology is suitable for high-speed, low-power optical digital computing systems.