A non-Markovian optical signature for detecting entanglement in coupled excitonic qubits

F. J. Rodríguez, L. Quiroga, Neil F Johnson

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We identify an optical signature for detecting entanglement in experimental nanostructure systems comprising coupled excitonic qubits. This signature owes its strength to non-Markovian dynamical effects in the second-order temporal coherence function of the emitted radiation. We calculate autocorrelation and cross-correlation functions for both selective and collective light excitation, and prove that the coherence properties of the emitted light do indeed carry information about the entanglement of the initial multi-qubit state. We also show that this signature can survive in the presence of a noisy environment.

Original languageEnglish (US)
Article number50009
JournalEPL
Volume77
Issue number5
DOIs
StatePublished - Mar 1 2007
Externally publishedYes

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signatures
cross correlation
autocorrelation
radiation
excitation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

A non-Markovian optical signature for detecting entanglement in coupled excitonic qubits. / Rodríguez, F. J.; Quiroga, L.; Johnson, Neil F.

In: EPL, Vol. 77, No. 5, 50009, 01.03.2007.

Research output: Contribution to journalArticle

Rodríguez, F. J. ; Quiroga, L. ; Johnson, Neil F. / A non-Markovian optical signature for detecting entanglement in coupled excitonic qubits. In: EPL. 2007 ; Vol. 77, No. 5.
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