# Formation of Plasmon-Polariton Pulses in the Cooperative Decay of Excitons of Quantum Dots Near a Metal Surface

## TL;DR

This paper investigates how excitons in quantum dots near a metal surface can generate plasmon pulses through cooperative decay, highlighting the role of dielectric properties and nonlinear effects in pulse formation.

## Contribution

It introduces a semiclassical model reducing plasmon pulse formation to a pendulum equation with nonlinear losses, emphasizing the influence of dielectric permittivity.

## Key findings

- Energy transfer efficiency depends on dielectric permittivity.
- Plasmon pulses can be modeled by a pendulum equation with nonlinear losses.
- Optimal dielectric materials enhance plasmon pulse formation.

## Abstract

The formation of pulses of surface electromagnetic waves in a metal/dielectric interface is considered in the process of cooperative decay of excitons of quantum dots distributed near a metal surface in a dielectric layer. It is shown that the efficiency of exciton energy transfer to excited plasmons can be increased by selecting the dielectric material with specified values of the complex permittivity. It is found that in the mean field approximation the semiclassical model of formation of plasmon pulses in the system under study is reduced to the pendulum equation with the additional term of nonlinear losses.