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

C. Kistner | Zendy; Tobias Heindel | Zendy; Christian Schneider | Zendy; Arash RahimiIman | Zendy; S. Reitzenstein | Zendy; Sven Höfling | Zendy; A. Forchel | Zendy

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

Author(s) -

C. Kistner,

Tobias Heindel,

Christian Schneider,

Arash RahimiIman,

S. Reitzenstein,

Sven Höfling,

A. Forchel

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.015006

Subject(s) - quantum dot , coupling (piping) , optoelectronics , stark effect , exciton , resonance (particle physics) , materials science , q factor , quantum confined stark effect , quality (philosophy) , cavity quantum electrodynamics , optics , physics , laser , quantum well , quantum , condensed matter physics , atomic physics , resonator , electric field , quantum mechanics , open quantum system , metallurgy

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.

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