石墨烯中的量子等离子体激元激发和鲁棒损耗传播
Quantum plasmonic excitation in graphene and robust-to-loss propagation
摘要：
我们研究了利用端射和棱镜耦合在石墨烯中激发光的量子等离子体激元态。为了对激发过程进行量子力学建模，我们对石墨烯中的横电和横磁表面等离子体激元（SPP）模式进行了建模。选择制度，然后研究，使激发的SPPs的光子，我们表明，有效的耦合光子石墨烯SPPs是可能的量子水平。此外，我们还研究了石墨烯中电子自由度引起的损耗对量子态激发和传播的影响。在这里，我们调查是否有可能保护量子信息使用量子纠错技术。我们发现，这些技术提供了一个强大的损失的方法，在石墨烯中的光的量子态在大的距离。
英文摘要：
We investigate the excitation of quantum plasmonic states of light in graphene using end-fire and prism coupling. In order to model the excitation process quantum mechanically we quantize the transverse-electric and transverse-magnetic surface plasmon polariton (SPP) modes in graphene. A selection of regimes are then studied that enable the excitation of SPPs by photons and we show that efficient coupling of photons to graphene SPPs is possible at the quantum level. Futhermore, we study the excitation of quantum states and their propagation under the effects of loss induced from the electronic degrees of freedom in the graphene. Here, we investigate whether it is possible to protect quantum information using quantum error correction techniques. We find that these techniques provide a robust-to-loss method for transferring quantum states of light in graphene over large distances.
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