A single quantum dot embedded in a photonic crystal defect cavity allows for the investigation of cavity quantum electrodynamics effects in a solid-state environment. We present experiments demonstrating the quantum nature of this fundamental system in the strong coupling regime. Photon correlation measurements are used to characterize the fundamental properties of this unique system: through these experiments, we identify an unexpected, efficient sustaining mechanism that ensures strong cavity emission and is quantum correlated with the exciton resonance, even when all the quantum dot resonances are far detuned from the cavity mode.
Une boîte quantique unique insérée dans la cavité induite par un défaut d'un cristal photonique permet d'étudier les effets d'électrodynamique quantique de cavité en milieu solide. Nous présentons des expériences démontrant la nature quantique de ce système dans le régime de couplage fort. Des mesures de corrélation de photons permettent de caractériser les propriétés fondamentales de ce système original : grâce à ces expériences, nous identifions un mécanisme sous-jacent inattendu et efficace qui assure une émission de cavité intense et est corrélé de manière quantique à la résonnance excitonique, même quand toutes les résonnances de la boîte quantique sont loin de l'accord avec le mode de cavité.
Mot clés : Semi-conducteur, Cristal photonique, Électrodynamique quantique de cavité, Optiques quantiques, Information quantique
Antonio Badolato 1; Martin Winger 1; Kevin J. Hennessy 2; Evelyn L. Hu 2; Ataç Imamoğlu 1
@article{CRPHYS_2008__9_8_850_0, author = {Antonio Badolato and Martin Winger and Kevin J. Hennessy and Evelyn L. Hu and Ata\c{c} Imamo\u{g}lu}, title = {Cavity {QED} effects with single quantum dots}, journal = {Comptes Rendus. Physique}, pages = {850--856}, publisher = {Elsevier}, volume = {9}, number = {8}, year = {2008}, doi = {10.1016/j.crhy.2008.10.015}, language = {en}, }
TY - JOUR AU - Antonio Badolato AU - Martin Winger AU - Kevin J. Hennessy AU - Evelyn L. Hu AU - Ataç Imamoğlu TI - Cavity QED effects with single quantum dots JO - Comptes Rendus. Physique PY - 2008 SP - 850 EP - 856 VL - 9 IS - 8 PB - Elsevier DO - 10.1016/j.crhy.2008.10.015 LA - en ID - CRPHYS_2008__9_8_850_0 ER -
Antonio Badolato; Martin Winger; Kevin J. Hennessy; Evelyn L. Hu; Ataç Imamoğlu. Cavity QED effects with single quantum dots. Comptes Rendus. Physique, Volume 9 (2008) no. 8, pp. 850-856. doi : 10.1016/j.crhy.2008.10.015. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2008.10.015/
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