频分复用光子储层计算与同步脉冲驱动光学腔
Frequency-Multiplexed Photonic Reservoir Computing with a Synchronously Pulse-Driven Optical Cavity
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中文总结 AI 辅助
本文提出一种同步脉冲驱动光学腔的频分复用光子储层计算平台，通过幅度或相位编码输入，量化关键参数贡献，发现谱对称破缺使信息处理容量翻倍，并揭示双稳态分支切换限制稳定性。
中文摘要 AI 辅助
在本工作中，我们提出了一种基于光学腔的频分复用储层计算新平台，该腔由重复周期与腔往返时间匹配的脉冲驱动。输入符号通过调制驱动脉冲的幅度或相位进行编码。我们的数值结果表明，所提出的同步脉冲驱动腔在反常色散下运行于弱非线性区域，而在正常色散下则表现出具有高峰值功率上分支态的光学双稳态。通过分离关键物理参数，我们量化了它们对信息处理性能的各自贡献。我们进一步表明，由三阶色散和拉曼散射引起的谱对称性破缺使信息处理容量几乎翻倍。最后，我们证明了双稳态区域内由调制引起的分支切换限制了储层运行的稳定性。
英文摘要
In this work, we introduce a new platform for frequency-multiplexed reservoir computing based on an optical cavity driven by pulses whose repetition period is matched to the cavity roundtrip time. The input symbols are encoded by modulating either the amplitude or the phase of the driving pulses. Our numerical results show that the proposed synchronously pulse-driven cavity operates in a weakly nonlinear regime under anomalous dispersion, while under normal dispersion it exhibits optical bistability with a high-peak-power upper-branch state. By isolating the key physical parameters, we quantify their individual contributions to information-processing performance. We further show that spectral symmetry breaking induced by third-order dispersion and Raman scattering almost doubles the information-processing capacity. Finally, we demonstrate that modulation-induced branch switching within the bistable regime limits stable reservoir operation.
发表机构
- Université libre de Bruxelles (ULB)（布鲁塞尔自由大学）
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