Dynamically controlled resonance fluorescence spectra from a doubly dressed single InGaAs quantum dot

Y. He, Y.-M. He, J. Liu, Y.-J. Wei, H.Y. Ramírez, M. Atatüre, C. Schneider, M. Kamp, S. Höfling, C.-Y. Lu, J.-W. Pan

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34 Citations (Scopus)

Abstract

We report the first experimental demonstration of the interference-induced spectral line elimination predicted by Zhu and Scully [Phys. Rev. Lett. 76, 388 (1996)] and Ficek and Rudolph [Phys. Rev. A 60, R4245 (1999)]. We drive an exciton transition of a self-assembled quantum dot in order to realize a two-level system exposed to a bichromatic laser field and observe the nearly complete elimination of the resonance fluorescence spectral line at the driving laser frequency. This is caused by quantum interference between coupled transitions among the doubly dressed excitonic states, without population trapping. We also demonstrate a multiphoton ac Stark effect with shifted subharmonic resonances and dynamical modifications of resonance fluorescence spectra by using double dressing.
Original languageEnglish
Article number097402
JournalPhysical Review Letters
Volume114
Issue number9
DOIs
Publication statusPublished - 4 Mar 2015

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