Open Resonator Electric Spaser,ACS Nano

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Open Resonator Electric Spaser
ACS Nano ( IF 15.8 ) Pub Date : 2017-11-02 00:00:00 , DOI: 10.1021/acsnano.7b06735
Bobo Liu ₁ , Weiren Zhu ₂ , Sarath D. Gunapala ₃ , Mark I. Stockman ₄ , Malin Premaratne ₁

Affiliation

The inception of the plasmonic laser or spaser (surface plasmon amplification by stimulated emission of radiation) concept in 2003 provides a solution for overcoming the diffraction limit of electromagnetic waves in miniaturization of traditional lasers into the nanoscale. From then on, many spaser designs have been proposed. However, all existing designs use closed resonators. In this work, we use cavity quantum electrodynamics analysis to theoretically demonstrate that it is possible to design an electric spaser with an open resonator or a closed resonator with much weak feedback in the extreme quantum limit in an all-carbon platform. A carbon nanotube quantum dot plays the role of a gain element, and Coulomb blockade is observed. Graphene nanoribbons are used as the resonator, and surface plasmon polariton field distribution with quantum electrodynamics features can be observed. From an engineering perspective, our work makes preparations for integrating spasers into nanocircuits and/or photodynamic therapy applications.

中文翻译：

开式谐振器电动打ser器

等离子激光器或spaser（通过辐射的受激发射放大表面等离子激元）的概念于2003年问世，它为克服将传统激光器小型化为纳米级的电磁波的衍射极限提供了解决方案。从那时起，已经提出了许多SPASER设计。但是，所有现有设计都使用封闭的谐振器。在这项工作中，我们使用腔量子电动力学分析从理论上证明了有可能设计出一种在全碳平台的极端量子极限中具有开放式谐振器或封闭式谐振器的，具有极弱反馈的电打ser器。碳纳米管量子点起着增益元素的作用，并且观察到库仑阻塞。石墨烯纳米带用作谐振器，可以观察到具有等离子电动力学特征的表面等离激元极化场分布。从工程的角度来看，我们的工作是为将散发器集成到纳米电路和/或光动力疗法应用中做准备。

更新日期：2017-11-03

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