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Published on: February 6, 2014
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Programmable Photonic Logic Array Based on Micro-Ring Resonators and All-Optical Modulation
Jia Liu1,2, Shenghang Zhou1,2, Xiubao Sui1,2
1Jiangsu Key Laboratory of Spectral Imaging and Intelligent Sense, Nanjing University of Science and Technology, Nanjing 210094, China.
Micromachines
|March 6, 2025
Summary
Researchers developed a programmable photonic logic array for all-optical computing. This reconfigurable system performs complex logic functions using micro-ring resonators and dual wavelengths, advancing optical computation capabilities.
Area of Science:
- Photonics
- Optical Computing
- Integrated Circuits
Background:
- All-optical computing offers rapid computation using photons but lacks programmable designs.
- Progress in optical logic computing is hindered by the absence of functional, reconfigurable architectures.
Purpose of the Study:
- To design and propose a programmable photonic logic array for all-optical computing.
- To realize a complete set of reconfigurable all-optical logic functions using on-chip photonic devices.
Main Methods:
- Utilized micro-ring resonators and other on-chip photonic devices.
- Implemented basic (NOT, AND, OR) and combined (XOR, XNOR) logic functions.
- Employed two independent wavelengths for logic levels to minimize signal crosstalk.
Main Results:
- Demonstrated a programmable photonic logic array capable of multifunctional logic computation.
- Achieved multi-level cascading of structurally similar logic units for large-scale integration.
- Verified effectiveness and feasibility through simulations using the INTERCONNECT simulator.
Conclusions:
- The proposed architecture enables reconfigurable all-optical logic computation.
- The design effectively reduces signal crosstalk and dependence on optical signal strength.
- This work advances the development of large-scale, multifunctional photonic logic arrays.
