Surface Plasmon Polariton Amplification upon Electrical Injection in Highly Integrated Plasmonic Circuits

被引：84
作者：
Fedyanin, Dmitry Yu. [1 ]
Krasavin, Alexey V. [2 ]
Arsenin, Aleksey V. [1 ]
Zayats, Anatoly V. [2 ]
机构：
[1] Moscow Inst Phys & Technol, Dept Gen Phys, Lab Nanoopt & Femtosecond Elect, Dolgoprudnyi 141700, Russia
[2] Kings Coll London, Dept Phys, Nano Opt & Near Field Spect Grp, London WC2R 2LS, England
来源：
NANO LETTERS | 2012年 / 12卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
Active plasmonics; optical amplifier; Schottky barrier diode; optical integrated circuits; optical interconnects; WAVE-GUIDE; MU-M; LASERS; GAIN; INTERCONNECTS; PROPAGATION; EMISSION; SPASER;
D O I：
10.1021/nl300540x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We propose a very efficient approach for amplification of surface plasmon polaritons (SPPs) in a nanoscale waveguiding geometry with strong (similar to lambda/10) mode confinement. The implemented scheme of electric pumping is based on a single-heterostructure Schottky-barrier diode and has been numerically shown to ensure full compensation of the SPP propagation losses at wavelengths around 3 mu m and, moreover, to provide net SPP gain. The presented concept creates the backbone for the implementation of highly integrated large-scale hybrid electronic-plasmonic circuits operating at extremely high speeds and opens the prospects for the realization of integrated coherent SPP sources.
引用
收藏
页码：2459 / 2463
页数：5
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