| 11 | Spontaneous emission in non-local materials显示文摘Light–matter interactions can be strongly modified by the surrounding environment.Here,we report on the first experimental observation of molecular spontaneous emission inside a highly non-local metamaterial based on a plasmonic nanorod assembly.We show that the emission process is dominated not only by the topology of its local effective medium dispersion,but also by the non-local response of the composite,so that metamaterials with different geometric parameters but the same local effective medium properties exhibit different Purcell factors.A record-high enhancement of a decay rate is observed,in agreement with the developed quantitative description of the Purcell effect in a non-local medium.An engineered material non-locality introduces an additional degree of freedom into quantum electrodynamics,enabling new applications in quantum information processing,photochemistry,imaging and sensing with macroscopic composites. | Pavel Ginzburg Diane J Roth Mazhar E Nasir Paulina Segovia Alexey V Krasavin James Levitt Liisa M Hirvonen Brian Wells Klaus Suhling David Richards Viktor A Podolskiy Anatoly V Zayats | 2016 | Light(Science & Applications)2016，5，1： | 0 |
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