Demonstration of strong coupling via electro-optical tuning in high-quality QD-micropillar systems

C Kistner; T Heindel; C Schneider; A Rahimi-Iman; S Reitzenstein; S Höfling; A Forchel

doi:10.1364/oe.16.015006

Demonstration of strong coupling via electro-optical tuning in high-quality QD-micropillar systems

Opt Express. 2008 Sep 15;16(19):15006-12. doi: 10.1364/oe.16.015006.

Authors

C Kistner¹, T Heindel, C Schneider, A Rahimi-Iman, S Reitzenstein, S Höfling, A Forchel

Affiliation

¹ Technische Physik, Physikalisches Institut, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany.

PMID: 18795037
DOI: 10.1364/oe.16.015006

Abstract

We demonstrate electro-optical tuning of single quantum dots (QDs) embedded in high-quality (high-Q) micropillar cavities by exploiting the quantum confined Stark effect (QCSE). Combining electrically contacted high-Q micropillars and large In(0.3) Ga(0.7)As QDs with high oscillator strength facilitates the realization of strong coupling. In our experiments a single QD exciton was electrically tuned on resonance with a cavity mode of a micropillar with 1.9 microm diameter and a quality-factor (Q-factor) of 14,000 enabling the observation of strong coupling with a vacuum Rabi-Splitting of 63 microeV.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Computer Simulation
Computer-Aided Design*
Electronics / instrumentation*
Equipment Design
Equipment Failure Analysis
Models, Theoretical*
Oscillometry / instrumentation*
Quantum Dots*