研究目的
Optimization of Mach-Zehnder Interferometer (MZI) for application in all-optical reversible gates.
研究成果
The MZI is a good candidate for future all-optical reversible logic computing systems. The findings highlight the importance of phase modulator and polarization angles in optimizing MZI outputs. The system can be applied with other interferometric configurations for compact device creation.
研究不足
The study faces challenges in suppressing the zero level and minimizing disparity between pulses in the two arms of the MZI. The model is a simple MZI, and design steps must be carefully adhered for experimental work.
1：Experimental Design and Method Selection:
The MZI is developed with additional components such as polarization controllers and phase modulators (PM) to vary parameters for optimization. The study focuses on varying the phase angle of the PM and adjusting the position of polarization and phase delay between the two input signals.
2：Sample Selection and Data Sources:
Input signals are selected as 0011 and 0101 as a pulse train into the first coupler.
3：List of Experimental Equipment and Materials:
MZI setup includes phase modulators, polarization controllers, optical couplers, and semiconductor optical amplifier (SOA).
4：Experimental Procedures and Operational Workflow:
The input signal is divided equally by the first coupler and propagated simultaneously in two branches. The control signal alters the refractive index in one of the arms, generating a phase difference. Output signals at the transmission and reflection ports are monitored.
5：Data Analysis Methods:
The output signals are analyzed for similarity with the truth table of MZI switch, focusing on the variation of phase difference with time and polarization.
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