Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2011-02-19
Physics
Condensed Matter
Strongly Correlated Electrons
Scientific paper
We present a study of the strong coupling between radiation and matter, considering a system of two quantum dots, which are in mutual interaction and interacting with a single mode of light confined in a semiconductor nanocavity. We take into account dissipative mechanisms such as the escape of the cavity photons, decay of the quantum dot excitons by spontaneous emission, and independent exciton pumping. It is shown that the mutual interaction between the dots can be measured off-resonance, only if the strong coupling condition is reached. Using the quantum regression theorem, a reasonable definition of the dynamical coupling regimes is introduced in terms of the complex Rabi frequency. Finally, the emission spectrum for relevant conditions is presented and compared with the above definition, demonstrating that the interaction between the excitons does not affect the Strong Coupling.
Cárdenas Paulo C.
Quesada Nicolás
Rodriguez Boris A.
Vinck-Posada Herbert
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