Microscopic theory of indistinguishable single-photon emission from a quantum dot coupled to a cavity: The role of non-Markovian phonon-induced decoherence

Per Kær Nielsen, Peter Lodahl, Antti-Pekka Jauho, Jesper Mørk

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Abstract

We study the fundamental limit on single-photon indistinguishability imposed by decoherence due to phonon interactions in semiconductor quantum dot-cavity quantum electrodynamics systems. Employing an exact diagonalization approach we find large differences compared to standard methods. An important finding is that short-time non-Markovian effects limit the maximal attainable indistinguishability. The results are explained using a polariton picture that yields valuable insight into the phonon-induced dephasing dynamics.
Original languageEnglish
Article number081308
JournalPhysical Review B Condensed Matter
Volume87
Issue number8
Number of pages5
ISSN0163-1829
DOIs
Publication statusPublished - 2013

Bibliographical note

©2013 American Physical Society.

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