Resonance Fluorescence from a Coherently Driven Semiconductor Quantum Dot in a Cavity

A. Muller, E. B. Flagg, P. Bianucci, X. Y. Wang, D. G. Deppe, W. Ma, J. Zhang, G. J. Salamo, M. Xiao, and C. K. Shih

Phys. Rev. Lett. 99, 187402 – Published 1 November 2007

Abstract

We show that resonance fluorescence, i.e., the resonant emission of a coherently driven two-level system, can be realized with a semiconductor quantum dot. The dot is embedded in a planar optical microcavity and excited in a waveguide mode so as to discriminate its emission from residual laser scattering. The transition from the weak to the strong excitation regime is characterized by the emergence of oscillations in the first-order correlation function of the fluorescence, $g (τ)$ , as measured by interferometry. The measurements correspond to a Mollow triplet with a Rabi splitting of up to $13.3 μ eV$ . Second-order correlation measurements further confirm nonclassical light emission.

Received 11 April 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.187402

Authors & Affiliations

A. Muller¹, E. B. Flagg¹, P. Bianucci¹, X. Y. Wang¹, D. G. Deppe², W. Ma³, J. Zhang³, G. J. Salamo³, M. Xiao³, and C. K. Shih^1,*

¹Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA
²College of Optics and Photonics (CREOL), University of Central Florida, Orlando, Florida 32816, USA
³Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA

^*To whom correspondence should be addressed: shih@physics.utexas.edu

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Vol. 99, Iss. 18 — 2 November 2007

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