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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 10 — May. 15, 2013
  • pp: 1691–1693

Mollow quintuplets from coherently excited quantum dots

Rong-Chun Ge, S. Weiler, A. Ulhaq, S. M. Ulrich, M. Jetter, P. Michler, and S. Hughes  »View Author Affiliations

Optics Letters, Vol. 38, Issue 10, pp. 1691-1693 (2013)

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Charge-neutral excitons in semiconductor quantum dots (QDs) have a small finite energy separation caused by the anisotropic exchange splitting. Coherent excitation of neutral excitons will generally excite both exciton components, unless the excitation is parallel to one of the dipole axes. We present a polaron master equation model to describe two-exciton pumping using a coherent continuous wave pump field in the presence of a realistic anisotropic exchange splitting. We predict a five-peak incoherent spectrum, namely a Mollow quintuplet under general excitation conditions. We experimentally confirm such spectral quintuplets for In(Ga)As QDs and obtain very good agreement with theory.

© 2013 Optical Society of America

OCIS Codes
(160.6000) Materials : Semiconductor materials
(270.1670) Quantum optics : Coherent optical effects
(300.0300) Spectroscopy : Spectroscopy

ToC Category:
Quantum Optics

Original Manuscript: February 14, 2013
Revised Manuscript: March 25, 2013
Manuscript Accepted: April 16, 2013
Published: May 13, 2013

Rong-Chun Ge, S. Weiler, A. Ulhaq, S. M. Ulrich, M. Jetter, P. Michler, and S. Hughes, "Mollow quintuplets from coherently excited quantum dots," Opt. Lett. 38, 1691-1693 (2013)

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Fig. 1. Fig. 2. Fig. 3.

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