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Acta Physica Polonica A

Phonon-Induced Dephasing in Quantum Dots - Interpretation in Terms of Information Leakage

Katarzyna Roszak, Paweł Machnikowski, Lucjan Jacak

Published Sep 1, 2006• 2 citations
Publisher

Abstract

We show that the phonon-induced pure dephasing of excitons in quantum dots can be interpreted in terms of information leakage from the carrier subsystem to the lattice environment.We derive a quantitative relation between the coherence of the system, as manifested by the amplitude of the coherent optical polarization, and the amount of available which path information on the system state, quantified by the distinguishability of states.

DOI
10.12693/aphyspola.110.325

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We show that the phonon-induced pure dephasing of excitons in quantum dots can be interpreted in terms of information leakage from the carrier subsystem to the lattice environment.We derive a quantitative relation between the coherence of the system, as manifested by the amplitude of the coherent optical polarization, and the amount of available which path information on the system state, quantified by the distinguishability of states.
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