Varri Akhil, Taheriniya Shabnam, Brückerhoff-Plückelmann Frank, Bente Ivonne, Farmakidis Nikolaos, Bernhardt Daniel, Rösner Harald, Kruth Maximilian, Nadzeyka Achim, Richter Torsten, Wright Christopher David, Bhaskaran Harish, Wilde Gerhard, Pernice Wolfram H P
Institute of Physics, University of Münster, Heisenbergstr. 11, 48149, Münster, Germany.
Center for Soft Nanoscience, University of Münster, Busso-Peus-Street 10, 48149, Münster, Germany.
Adv Mater. 2024 Feb;36(8):e2310596. doi: 10.1002/adma.202310596. Epub 2023 Dec 7.
Photonic integrated circuits (PICs) are revolutionizing the realm of information technology, promising unprecedented speeds and efficiency in data processing and optical communication. However, the nanoscale precision required to fabricate these circuits at scale presents significant challenges, due to the need to maintain consistency across wavelength-selective components, which necessitates individualized adjustments after fabrication. Harnessing spectral alignment by automated silicon ion implantation, in this work scalable and non-volatile photonic computational memories are demonstrated in high-quality resonant devices. Precise spectral trimming of large-scale photonic ensembles from a few picometers to several nanometres is achieved with long-term stability and marginal loss penalty. Based on this approach, spectrally aligned photonic memory and computing systems for general matrix multiplication are demonstrated, enabling wavelength multiplexed integrated architectures at large scales.
光子集成电路（PIC）正在彻底改变信息技术领域，有望在数据处理和光通信方面实现前所未有的速度和效率。然而，大规模制造这些电路所需的纳米级精度带来了重大挑战，因为需要在波长选择组件之间保持一致性，这就需要在制造后进行个性化调整。在这项工作中，通过自动硅离子注入实现光谱对准，在高质量谐振器件中展示了可扩展且非易失性的光子计算存储器。实现了从几皮米到几纳米的大规模光子组件的精确光谱微调，具有长期稳定性和极小的损耗代价。基于这种方法，展示了用于通用矩阵乘法的光谱对准光子存储器和计算系统，实现了大规模的波长复用集成架构。
