研究目的
Investigating the performance of an all-optical sampling system utilizing QD-SOA-based NOLM for high-speed optical communication systems.
研究成果
The all-optical sampling system successfully modulates high-speed analog probe optical signals onto control light pulses, demonstrating high speed and accuracy. This system shows promise for applications in high-speed optical communication systems.
研究不足
The technical constraints include the dependency on the QD-SOA's nonlinear properties and the precise alignment required for the NOLM. Potential areas for optimization include improving the QD-SOA's response time and the NOLM's efficiency.
1：Experimental Design and Method Selection:
The system uses a ring-shaped mode-locked laser with QD-SOA as the sampling pulse source and a NOLM with QD-SOA as the nonlinear element for sampling.
2：Sample Selection and Data Sources:
The system samples a 4 GHz dual-frequency Gaussian pulse signal using a 40 GHz narrow Gaussian pulse.
3：List of Experimental Equipment and Materials:
QD-SOA, Nonlinear Optical Loop Mirror (NOLM), ring-shaped mode-locked laser.
4：Experimental Procedures and Operational Workflow:
The input signal light is split into two parts, travels in opposite directions through the loop, and interacts with the control light in the QD-SOA to produce sampling.
5：Data Analysis Methods:
The transfer function of the NOLM optical sampling gate is analyzed to determine the sampling performance.
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