Nanoscale Spatial Coherent Control over the Modal Excitation of a Coupled Plasmonic Resonator System

被引：38

作者：

Coenen, Toon ^{[1
]}

Schoen, David T. ^{[2
]}

Mann, Sander A. ^{[1
]}

Rodriguez, Said R. K. ^{[1
,3
]}

Brenny, Benjamin J. M. ^{[1
]}

Polman, Albert ^{[1
]}

Brongersma, Mark L. ^{[2
]}

机构：

[1] FOM Inst AMOLF, Ctr Nanophoton, NL-1098 XG Amsterdam, Netherlands

[2] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA

[3] Philips Res Labs, NL-5656 AE Eindhoven, Netherlands

来源：

NANO LETTERS | 2015年 / 15卷 / 11期

基金：

欧洲研究理事会;

关键词：

Plasmonics; coherent control; metamolecules; cathodoluminescence spectroscopy; electron energy loss spectroscopy; near-field coupling; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; ENERGY-LOSS SPECTROSCOPY; NANOMETER-SCALE; CATHODOLUMINESCENCE; MODES; HYBRIDIZATION; GOLD; METAMATERIALS; RESONANCES; EMISSION;

D O I：

10.1021/acs.nanolett.5b03614

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We demonstrate coherent control over the optical response of a coupled plasmonic resonator by high-energy electron beam excitation. We spatially control the position of an electron beam on a gold dolmen and record the cathodoluminescence and electron energy loss spectra. By selective coherent excitation of the dolmen elements in the near field, we are able to manipulate modal amplitudes of bonding and antibonding eigenmodes. We employ a combination of CL and EELS to gain detailed insight in the power dissipation of these modes at the nanoscale as CL selectively probes the radiative response and EELS probes the combined effect of Ohmic dissipation and radiation.

引用

页码：7666 / 7670

页数：5

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