Channel spaser
A.A. Lisyansky, I.A. Nechepurenko, A.V. Dorofeenko, A.P. Vinogradov,, and A.A. Pukhov
TL;DR
This paper demonstrates that net amplification of surface plasmons can be achieved in a channel within a metal plate through nonradiative excitation by quantum dots, enabling lossless plasmon transmission and coherent surface plasmon generation.
Contribution
It introduces a novel channel spaser concept that utilizes quantum dots for plasmon amplification in a metal plate, enabling lossless transmission.
Findings
Net amplification of surface plasmons achieved in a channel
Lossless plasmon transmission lines possible
Coherent surface plasmon generation demonstrated
Abstract
We show that net amplification of surface plasmons is achieved in channel in a metal plate due to nonradiative excitation by quantum dots. This makes possible lossless plasmon transmission lines in the channel as well as the amplification and generation of coherent surface plasmons. As an example, a ring channel spaser is considered.
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