Few-Cycle Surface Plasmon Polariton Generation by Rotating Wavefront Pulses,ACS Photonics

当前位置： X-MOL 学术 › ACS Photonics › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Few-Cycle Surface Plasmon Polariton Generation by Rotating Wavefront Pulses
ACS Photonics ( IF 6.5 ) Pub Date : 2018-01-12 00:00:00 , DOI: 10.1021/acsphotonics.7b01347
F. Pisani ₁ , L. Fedeli ₂ , A. Macchi _{1,

3}

Affiliation

A concept for the efficient generation of surface plasmon polaritons (SPPs) with ultrashort duration close to the single-cycle limit is presented. The scheme is based on grating coupling and laser pulses with wavefront rotation (WFR), so that the resonance condition for SPP excitation is satisfied only for a time window shorter than the driving pulse. The feasibility and robustness of the technique is investigated by means of simulations with realistic parameters. In optimal conditions, we find that a 29.5 fs pulse with an 800 nm wavelength can excite SPPs with <4 fs duration (∼1.5 laser cycles) and a peak field amplitude ∼2.7 times the peak value for the laser pulse.

中文翻译：

通过旋转波前脉冲产生几个周期的表面等离激元极化。

提出了一种有效产生超短持续时间接近单周期极限的表面等离激元极化子（SPPs）的概念。该方案基于光栅耦合和具有波前旋转（WFR）的激光脉冲，从而仅在比驱动脉冲短的时间窗内满足SPP激发的共振条件。该技术的可行性和鲁棒性是通过具有实际参数的仿真研究的。在最佳条件下，我们发现波长为800 nm的29.5 fs脉冲可以激发持续时间<4 fs（约1.5个激光周期）的SPP，并且峰值场振幅约为激光脉冲峰值的2.7倍。

更新日期：2018-01-12

点击分享查看原文

点击收藏

公开下载

阅读更多本刊最新论文本刊介绍/投稿指南11