Maximally entangled spin states in equivalent-neighbor systems of quantum dots in a microcavity

A. Miranowicz, Ş K. Özdemir, Yu Xi Liu, W. Leoński, M. Koashi, N. Imoto, Y. Hirayama, J. Bajer

Research output: Contribution to journalConference articlepeer-review

Abstract

We analyze generation of maximally entangled states (EPR and W states) of the conduction-band electron spins in systems of an arbitrary number of semiconductor quantum dots under equivalent-neighbor interactions mediated by a single-mode cavity field. We show that the perfect EPR states in bipartite systems and perfect W states in multipartite ones can only be generated in systems of up to six and four dots, respectively, with single or, equivalently, all dots except one excited.

Original languageEnglish (US)
Pages (from-to)42-46
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5259
DOIs
StatePublished - 2003
Event13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics - Krzyzowa, Poland
Duration: Sep 9 2002Sep 13 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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