研究目的
To propose a reconfigurable optical Boolean function generator based on an electro-optical nonlinear feedback loop that can implement all possible Boolean functions with optical input and output by changing the control signal without adjusting the physical setup.
研究成果
The proposed optical Boolean function generator can achieve high-speed nonlinear calculation and flexible configuration without changing its physical setup. By adjusting the nonlinear parameters, a substantial number of reliable Boolean functions can be obtained under noise contamination. The scheme provides a solution for optical Boolean function computing and may aid in the exploration of future optical computation.
研究不足
The system requires numerous iterations to implement all Boolean functions, and the influence of accumulative noise is significant. The selection of nonlinear parameters affects the system's robustness against noise.
1：Experimental Design and Method Selection:
The study utilizes an optical nonlinear feedback loop to generate Boolean functions. The method involves coding, nonlinear iteration, and decoding processes.
2：Sample Selection and Data Sources:
The study uses optical on-off keying signals modulated by input bits with a bitrate of 10 Gbit/s as the initial input.
3：List of Experimental Equipment and Materials:
The setup includes a directly modulated laser (DML), acoustic-optic modulators (AOMs), optical couplers (OCs), a phase modulator (PM), a fiber Bragg grating (FBG), photodetectors (PDs), a Mach-Zehnder modulator (MZM), and a laser diode (LD).
4：Experimental Procedures and Operational Workflow:
The optical Boolean input is converted into an optical waveform, which is then injected into a nonlinear feedback loop. The loop includes a PM, FBG, PD, and MZM for nonlinear transformations. The output is decoded to obtain the Boolean result.
5：Data Analysis Methods:
The study uses MATLAB 2018a for simulation to analyze the properties of the system, including the number of available Boolean functions and the impact of noise.
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