Monolithic Plasmonic Waveguide Architecture for Passive and Active Optical Circuits.,Nano Letters

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Monolithic Plasmonic Waveguide Architecture for Passive and Active Optical Circuits.
Nano Letters ( IF 9.6 ) Pub Date : 2020-03-31 , DOI: 10.1021/acs.nanolett.9b04612
Charles Chih-Chin Lin ₁ , Po-Han Chang ₁ , Yiwen Su ₁ , Amr S Helmy ₁

Affiliation

Guided-wave plasmonic circuits are promising platforms for sensing, interconnection, and quantum applications in the subdiffraction regime. Nonetheless, the loss-confinement trade-off remains a collective bottleneck for plasmonic-enhanced optical processes. Here, we report a unique plasmonic waveguide architecture that can alleviate such trade-off and improve the efficiencies of plasmonic-based emission, light-matter-interaction, and detection simultaneously. Specifically, record experimental attributes such as normalized Purcell factor approaching 104, 10 dB amplitude modulation with <1 dB insertion loss and fJ-level switching energy, and photodetection sensitivity and internal quantum efficiency of -54 dBm and 6.4% respectively have been realized within our amorphous-based, coupled-mode plasmonic structure. The ability to support multiple optoelectronic phenomena while providing performance gains over existing plasmonic and dielectric counterparts offers a clear path toward reconfigurable, monolithic plasmonic circuits.

中文翻译：

用于无源和有源光学电路的单片等离子波导架构。

导波等离子体激元电路是用于亚衍射领域中传感，互连和量子应用的有前途的平台。尽管如此，损耗限制的权衡仍然是等离激元增强光学工艺的一个总瓶颈。在这里，我们报告了一种独特的等离激元波导架构，该架构可以减轻这种折衷，并同时提高基于等离激元的发射，光物质相互作用和检测的效率。具体而言，我们已实现了记录的实验属性，例如接近104的归一化Purcell因子，具有<1 dB的插入损耗和fJ级开关能量的10 dB幅度调制，以及分别达到-54 dBm和6.4％的光检测灵敏度和内部量子效率。基于非晶的耦合模式等离子体激元结构。

更新日期：2020-03-31

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