Effects of Resonant-laser Excitation on the Emission Properties in a Single Quantum Dot

Overview

Journal Optica

Date 2024 Oct 9

PMID 39380575

Authors

O Gazzano

T Huber

V Loo

S Polyakov

E B Flagg

G S Solomon

Affiliations

Soon will be listed here.

Abstract

While many solid-state emitters can be optically excited non-resonantly, resonant excitation is necessary for many quantum information protocols as it often maximizes the non-classicality of the emitted light. Here, we study the resonance fluorescence in a solid-state system-a quantum dot-with the addition of weak, non-resonant light. In the inelastic scattering regime, changes in the resonance fluorescence intensity and linewidth are linked to both the non-resonant and resonant laser powers. Details of the intensity change indicate that charge-carrier loss from the quantum dot is resonant laser. As we enter the Mollow triplet regime, this resonant laser loss term rate is approximately 1∕50 ns. This work further clarifies resonance fluorescence in solid-state systems and will aid in the further improvement of solid-state non-classical light sources.

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