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Realization of multiple-input and single-output logic gates in nonlinear systems.
S Deshaka1, R Arun2,3, M Sathish Aravindh4
1Bharathidasan University, PG & Research Department of Physics, Nehru Memorial College (Autonomous), Affiliated to , Puthanampatti, Tiruchirappalli - 621 007, Tamil Nadu, India.
Physical Review. E
|August 19, 2025
Summary
This study demonstrates a novel method for designing multiple-input, single-output logic gates using a Duffing oscillator system. The system exhibits robust OR and AND logic gate functionalities, switchable via bias adjustment.
Area of Science:
- Nonlinear Dynamics
- Computational Physics
- Materials Science
Background:
- The development of efficient logic gates is crucial for advancing computing technologies.
- Traditional electronic logic gates face limitations in scalability and energy consumption.
- Nonlinear systems offer potential for novel computational paradigms.
Purpose of the Study:
- To design and investigate multiple-input, single-output (MISO) logic gates using a periodically driven double-well Duffing oscillator.
- To explore the feasibility of implementing OR and AND logic gate functionalities within a single nonlinear system.
- To assess the scalability and noise robustness of the proposed logic gate design.
Main Methods:
- Utilizing a periodically driven double-well Duffing oscillator system.
- Applying external periodic forcing and bias to control system behavior.
- Analyzing the output of the oscillator to identify logic gate properties.
- Investigating the effect of bias adjustment on switching between OR and AND logic operations.
- Testing the system's performance with an increasing number of inputs (up to ten and beyond).
- Evaluating the system's robustness against inherent noise.
Main Results:
- Demonstrated the existence of both OR and AND logic gate properties in a single double-well Duffing oscillator.
- Showcased the ability to switch between OR and AND logic gate functionalities by adjusting the bias value.
- Successfully scaled the number of logical inputs for both gate types to ten and more.
- Verified the robustness of the logical output against noise, indicating reliable performance.
Conclusions:
- A periodically driven double-well Duffing oscillator can be effectively utilized for designing MISO logic gates.
- The proposed system offers a tunable and scalable approach to implementing logic functions.
- The inherent noise robustness of the nonlinear system is a significant advantage for practical applications.
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