Single Plasmon Switching with n Quantum Dots System Coupled to One-Dimentional Waveguide

TL;DR

This paper presents a theoretical study on controlling single plasmon transmission using a system of quantum dots coupled to a one-dimensional waveguide, enabling dynamic switching by tuning quantum dot properties.

Contribution

It introduces a novel method for single plasmon switching through quantum dot tuning in a waveguide, expanding control over plasmonic quantum information processing.

Findings

Transmission can be switched on or off by tuning quantum dot transition frequencies.

The number of quantum dots affects the plasmon transmission and reflection.

Dynamic control of plasmon flow is achievable via quantum dot parameter adjustments.

Abstract

Switching of a single plasmon interacting with equally spaced quantum dots coupled to one-dimensional surface plasmonic waveguide is investigated theoretically via the real-space approach. We showed that the transmission and reflection of a single plasmon can be switched on or off by dynamically tuning and changing the number of the equal transition frequencies of the quantum dots.