Reconfigurable and programmable optical devices with phase change materials Sb2S3 and Sb2Se3

W. Jia, R. Menon, B. Sensale‐Rodriguez
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引用次数: 1

Abstract

Recently proposed nonvolatile chalcogenide phase change materials Sb2Se3 and Sb2S3 exhibit low loss and significant refractive index modulation in the visible and NIR, which paves the way for the development of novel reconfigurable on-chip nanophotonic devices and programmable optical devices. Here, we discuss our recent investigations in terms of such devices, in particular, the realization of a compact (3 μm × 3 μm) integrated silicon nanophotonic 1 × 2 optical switch with phase change material Sb2Se3, and programmable multilevel diffractive optical lenses and holograms with phase change material Sb2S3.
采用Sb2S3和Sb2Se3相变材料的可重构和可编程光器件
最近提出的非易失性硫系相变材料Sb2Se3和Sb2S3在可见光和近红外波段表现出低损耗和显著的折射率调制,为开发新型可重构片上纳米光子器件和可编程光学器件铺平了道路。在此,我们讨论了我们最近在这些器件方面的研究,特别是用相变材料Sb2Se3实现了一个紧凑的(3 μm × 3 μm)集成硅纳米光子1 × 2光开关,以及用相变材料Sb2S3实现了可编程多级衍射光学透镜和全息图。
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