Excitation of quantum dot by femtosecond plasmon-polariton pulse focused by conducting cone

Pavel A. Golovinski; Valeri A. Astapenko; Egor S. Manuylovich

doi:10.1117/1.JNP.10.033511

Excitation of quantum dot by femtosecond plasmon-polariton pulse focused by conducting cone

Pavel A. Golovinski, Valeri A. Astapenko, Egor S. Manuylovich^*

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

A surface plasmon polariton is an electromagnetic wave that propagates along an interface between two materials with dielectric permittivity of opposite signs. Such waves can be focused by metal waveguides of special geometry. The spatial distribution for a near-field strongly depends on a linear chirp of the laser pulse, which can partially compensate the wave dispersion. Field distribution is calculated for different chirp values, opening angles, and distances. The spatial selectivity of excitation of quantum dots using focused fields is shown using Bloch equations.

Original language	English
Article number	033511
Journal	Journal of Nanophotonics
Volume	10
Issue number	3
Early online date	18 Apr 2016
DOIs	https://doi.org/10.1117/1.JNP.10.033511
Publication status	Published - 1 Jul 2016

Bibliographical note

Copyright 2016 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Keywords

excitation
femtosecond pulse
plasmon polariton
quantum dot
superfocusing

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10.1117/1.JNP.10.033511

Excitation of quantum dot by femtosecond
Copyright 2016 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
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Excitation of quantum dot by femtosecond plasmon-polariton pulse focused by conducting cone

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Keywords

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