Quantum-dot-induced phase shift in a pillar microcavity

A. B. Young*, R. Oulton, C. Y. Hu, A. C. T. Thijssen, C. Schneider, S. Reitzenstein, M. Kamp, Sven Höfling, L. Worschech, A. Forchel, J. G. Rarity

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We perform high-resolution reflection spectroscopy of a quantum dot resonantly coupled to a pillar microcavity. We show the change in reflectivity as the quantum dot is tuned through the cavity resonance and measure the quantum-dot-induced phase shift using an ultrastable interferometer. The macroscopic phase shift we measure could be extended to the study of charged quantum dot pillar microcavity systems, where it could be exploited to realize a high-efficiency spin photon interface for hybrid quantum information schemes.

Original languageEnglish
Article number011803
Number of pages4
JournalPhysical Review. A, Atomic, molecular, and optical physics
Volume84
Issue number1
DOIs
Publication statusPublished - 13 Jul 2011

Keywords

  • SYSTEM

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