光子时间延迟储备池计算中带宽增强的实验演示
Experimental demonstration of bandwidth enhancement in photonic time delay reservoir computing
AI总结：
本文实验展示了通过强光注入增强半导体激光器带宽，使时间延迟储备池计算系统能以11.72 ps采样时间运行且不损失性能。
摘要：
使用半导体激光器（SLs）的时间延迟储备池计算（TDRC）已被证明是一种有前景的光子模拟信息处理方法。一个吸引人的特性是，受到延迟光反馈和外部光注入作用的SLs，可以通过改变光注入水平来调节响应带宽。在此，我们使用强光注入，从而将SL的调制响应扩展到数十GHz。通过执行非线性时间序列预测任务，我们实验证明了在适当的操作条件下，我们的TDRC系统可以以低至11.72 ps的采样时间运行，且不牺牲计算性能。
英文摘要：
Time delay reservoir computing (TDRC) using semiconductor lasers (SLs) has proven to be a promising photonic analog approach for information processing. One appealing property is that SLs subject to delayed optical feedback and external optical injection, allow tuning the response bandwidth by changing the level of optical injection. Here we use strong optical injection, thereby expanding the SL's modulation response up to tens of GHz. Performing a nonlinear time series prediction task, we demonstrate experimentally that for appropriate operating conditions, our TDRC system can operate with sampling times as small as 11.72 ps, without sacrificing computational performance.
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