研究目的
Investigating the reduction of switching times and gain fluctuations in semiconductor optical amplifier-based electro-optical switches using multi-impulse step injected current technique.
研究成果
The MISIC technique effectively reduces switching times to 115 ps and minimizes output power fluctuations in SOA-based electro-optical switches, offering a significant improvement over previous methods. The technique's flexibility and efficiency make it suitable for future applications in optical interconnects and data center networks.
研究不足
The study is limited by the electrical parasitic effects and the nonlinear behavior of SOA under large signal conditions, which affects the accuracy of equivalent circuit models.
1：Experimental Design and Method Selection:
The study employs a chip-on-carrier semiconductor optical amplifier (SOA-COC) with high optical contrast, using multi-impulse step injected current (MISIC) technique for switching.
2：Sample Selection and Data Sources:
A commercial SOA-COC (NL-OEC-1550-CocMW651) with specific characteristics is used.
3：List of Experimental Equipment and Materials:
Includes a CW tunable semiconductor laser, optical isolator, variable optical attenuator, 40 GHz digital communication analyzer, Agilent J-BERT N4903B pulse generator, and microwave amplifier setup.
4：Experimental Procedures and Operational Workflow:
The setup involves combining two electrical outputs channels, amplifying the resultant electrical pulses, and injecting them into the SOA-COC.
5：Data Analysis Methods:
The switching performance is analyzed based on optical contrast, switching times, and overshoot reduction.
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