Sudden death of entanglement induced by polarization mode dispersion

Cristian Antonelli*, Mark Shtaif, Misha Brodsky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

We study the decoherence of polarization-entangled photon pairs subject to the effects of polarization mode dispersion, the chief polarization decoherence mechanism in optical fibers. We show that fiber propagation reveals an intriguing interplay between the concepts of entanglement sudden death, decoherence-free subspaces, and nonlocality. We define the boundaries in which entanglement-based quantum communications protocols relying on fiber propagation can be applied.

Original languageEnglish
Article number080404
JournalPhysical Review Letters
Volume106
Issue number8
DOIs
StatePublished - 23 Feb 2011

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