论文标题

等离子辅助磁开关的混合磁光光子材料结构

Hybrid Magneto Photonic Material Structure for Plasmon Assisted Magnetic Switching

论文作者

Chu, Alan Hwader, Beauchamp, Bradlee, Shah, Deesha, Dutta, Aveek, Boltasseva, Alexandra, Shalaev, Vladimir M., Marinero, Ernesto E.

论文摘要

我们已经提出了在混合磁磁体异质结构的界面上使用表面等离子体共振[OPT。垫。 Exp。,7,4316(2017)]用于FS时间尺度中纳米结构中宏观旋转方向的全光控制。这需要强烈的自旋光子耦合,以在具有垂直偏见的磁性纳米结构中通过反法拉第效应产生的光磁场的谐振剂增强。在这里,我们报告了NM厚的层中的开发,以控制在难治性等离子体材料上生长的HCP-CO合金的生长取向,以使磁轴隔开平面外,从而满足了实现超快磁极光谱设备的关键要求。

We have proposed the use of surface plasmon resonances at the interface of hybrid magneto-photonic heterostructures [Opt. Mat. Exp., 7, 4316 (2017)] for all-optical control of the macroscopic spin orientation in nanostructures in fs time scales. This requires strong spin-photon coupling for the resonant enhancement of opto-magnetic fields, generated through the inverse Faraday effect, in magnetic nanostructures with perpendicular anisotropy. Here we report on the development of nm thick interlayers to control the growth orientation of hcp-Co alloys grown on refractory plasmonic materials to align the magnetic axis out-of-plane, thereby meeting key requirements for the realization of ultrafast magneto-photonic devices.

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