Optically induced hybridization of a quantum dot state with a filled continuum

P. A. Dalgarno, M. Ediger, B. D. Gerardot, J. M. Smith, S. Seidl, M. Kroner, K. Karrai, P. M. Petroff, A. O. Govorov, R. J. Warburton

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


We present an optical signature of a hybridization between a localized quantum dot state and a filled continuum. Radiative recombination of the negatively charged trion in a single quantum dot leaves behind a single electron. We show that in two regions of vertical electric field, the electron hybridizes with a continuum through a tunneling interaction. The hybridization manifests itself through an unusual voltage dependence of the emission energy and a non-Lorentzian line shape, features which we reproduce with a theory based on the Anderson Hamiltonian. © 2008 The American Physical Society.

Original languageEnglish
Article number176801
Pages (from-to)-
Number of pages4
JournalPhysical Review Letters
Issue number17
Publication statusPublished - 28 Apr 2008


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