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arXiv 0911.3028quant-ph
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单光子成像和与单等离子体的有效耦合

Single-Photon Imaging and Efficient Coupling to Single Plasmons

M. Celebrano, R. Lettow, P. Kukura, M. Agio, A. Renn, S. Goetzinger, V. Sandoghdar

摘要:

我们证明了在低温和环境条件下单个分子发射的单光子与单个纳米粒子的强耦合。我们提供了在透射和反射中获得的图像,其中在将入射窄带光子转换为银纳米颗粒的等离子体激元极化激元(等离子体激元)中实现了大于55%的效率。我们的工作铺平了道路,光谱学和显微镜的纳米物体与子散粒噪声光束,并触发产生的单等离子体激元和电子在一个良好的控制方式。

英文摘要:

We demonstrate strong coupling of single photons emitted by individual molecules at cryogenic and ambient conditions to individual nanoparticles. We provide images obtained both in transmission and reflection, where an efficiency greater than 55% was achieved in converting incident narrow-band photons to plasmon-polaritons (plasmons) of a silver nanoparticle. Our work paves the way to spectroscopy and microscopy of nano-objects with sub-shot noise beams of light and to triggered generation of single plasmons and electrons in a well-controlled manner.

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