SUPER Scheme in Action: Experimental Demonstration of Red-detuned Excitation of a Quantum Dot

The quest for the perfect single-photon source includes finding the optimal protocol for exciting the quantum emitter. Based on a recently proposed, so-called SUPER (swing-up of quantum emitter population) scheme, we demonstrate experimentally that two red-detuned laser pulses, neither of which coul...

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Bibliographic Details
Published inarXiv.org
Main Authors Yusuf Karli, Kappe, Florian, Remesh, Vikas, Bracht, Thomas K, Muenzberg, Julian, Saimon Covre da Silva, Seidelmann, Tim, Vollrath, Martin Axt, Rastelli, Armando, Reiter, Doris E, Weihs, Gregor
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 01.03.2022
Subjects
Electrons
Emitters
Excitation
Photons
Physics - Mesoscale and Nanoscale Physics
Physics - Quantum Physics
Quantum dots
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Summary:The quest for the perfect single-photon source includes finding the optimal protocol for exciting the quantum emitter. Based on a recently proposed, so-called SUPER (swing-up of quantum emitter population) scheme, we demonstrate experimentally that two red-detuned laser pulses, neither of which could yield a significant upper-level population individually, lead to the coherent excitation of a semiconductor quantum dot. We characterize the emitted single photons and show that they have properties comparable to those achieved under resonant excitation schemes.
ISSN:2331-8422
DOI:10.48550/arxiv.2203.00712