Optimal excitation conditions for indistinguishable photons from quantum dots
Tobias Huber, Ana Predojevi\'c, Daniel F\"oger, Glenn Solomon, and Gregor Weihs
TL;DR
This paper investigates how different optical excitation methods affect the indistinguishability of single photons emitted by InAs quantum dots, using Hong-Ou-Mandel interference measurements to compare various excitation conditions.
Contribution
It provides a detailed experimental analysis of excitation schemes influencing photon indistinguishability from quantum dots, offering insights for optimizing quantum light sources.
Findings
Certain excitation schemes improve photon indistinguishability
Comparison of excitation conditions reveals optimal parameters
Enhanced understanding of quantum dot emission processes
Abstract
In this letter, we present a detailed, all optical study of the influence of different excitation schemes on the indistinguishability of single photons from a single InAs quantum dot. For this study, we measure the Hong-Ou-Mandel interference of consecutive photons from the spontaneous emission of an InAs quantum dot state under various excitation schemes and different excitation conditions and give a comparison.
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