Coherence dynamics and quantum-to-classical crossover in an exciton-cavity system in the quantum strong coupling regime
Zitieren Sie bitte immer diese URN: urn:nbn:de:bvb:20-opus-123005
- Interaction between light and matter generates optical nonlinearities, which are particularly pronounced in the quantum strong coupling regime. When a single bosonic mode couples to a single fermionic mode, a Jaynes-Cummings (JC) ladder is formed, which we realize here using cavity photons and quantum dot excitons. We measure and model the coherent anharmonic response of this strongly coupled exciton-cavity system at resonance. Injecting two photons into the cavity, we demonstrate a \(\sqrt 2\) larger polariton splitting with respect to theInteraction between light and matter generates optical nonlinearities, which are particularly pronounced in the quantum strong coupling regime. When a single bosonic mode couples to a single fermionic mode, a Jaynes-Cummings (JC) ladder is formed, which we realize here using cavity photons and quantum dot excitons. We measure and model the coherent anharmonic response of this strongly coupled exciton-cavity system at resonance. Injecting two photons into the cavity, we demonstrate a \(\sqrt 2\) larger polariton splitting with respect to the vacuum Rabi splitting. This is achieved using coherent nonlinear spectroscopy, specifically four-wave mixing, where the coherence between the ground state and the first (second) rung of the JC ladder can be interrogated for positive (negative) delays. With increasing excitation intensity and thus rising average number of injected photons, we observe spectral signatures of the quantum-to-classical crossover of the strong coupling regime.…
Autor(en): | J. Kasprzak, K. Sivalertporn, F. Albert, C. Schneider, S. Höfling, M. Kamp, A. Forchel, E. A. Muljarov, W. Langbein |
---|---|
URN: | urn:nbn:de:bvb:20-opus-123005 |
Dokumentart: | Artikel / Aufsatz in einer Zeitschrift |
Institute der Universität: | Fakultät für Physik und Astronomie / Physikalisches Institut |
Sprache der Veröffentlichung: | Englisch |
Titel des übergeordneten Werkes / der Zeitschrift (Englisch): | New Journal of Physics |
ISSN: | 1367-2630 |
Erscheinungsjahr: | 2013 |
Band / Jahrgang: | 15 |
Heft / Ausgabe: | 045013 |
Originalveröffentlichung / Quelle: | New Journal of Physics 15 (2013) 045013 (16pp). doi:10.1088/1367-2630/15/4/045013 |
DOI: | https://doi.org/10.1088/1367-2630/15/4/045013 |
Allgemeine fachliche Zuordnung (DDC-Klassifikation): | 5 Naturwissenschaften und Mathematik / 53 Physik / 535 Licht, Infrarot- und Ultraviolettphänomene |
Freie Schlagwort(e): | Jaynes-Cummings ladder; dot; light; microcavity; oscillations; photon; resonance; spectral interferometry; spectroscopy |
Datum der Freischaltung: | 29.02.2016 |
EU-Projektnummer / Contract (GA) number: | 306387 |
OpenAIRE: | OpenAIRE |
Lizenz (Deutsch): | CC BY: Creative-Commons-Lizenz: Namensnennung |