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

Adam Miranowicz; Sahin Kaya Ozdemir; Yu-xi Liu; W. Leonski; M. Koashi; Nobuyuki Imoto; Yoshiro Hirayama; Jiri Bajer

doi:10.1117/12.545067

21 November 2003 Maximally entangled spin states in equivalent-neighbor systems of quantum dots in a microcavity

Adam Miranowicz, Sahin Kaya Ozdemir, Yu-xi Liu, W. Leonski, M. Koashi, Nobuyuki Imoto, Yoshiro Hirayama, Jiri Bajer

Proceedings Volume 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics; (2003) https://doi.org/10.1117/12.545067
Event: 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of contemporary Optics, 2002, Krzyzowa, Poland

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 generatcd in systems of up to six and four dots, respectively, with single or equivalently, all dots except one excited.

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Adam Miranowicz, Sahin Kaya Ozdemir, Yu-xi Liu, W. Leonski, M. Koashi, Nobuyuki Imoto, Yoshiro Hirayama, and Jiri Bajer "Maximally entangled spin states in equivalent-neighbor systems of quantum dots in a microcavity", Proc. SPIE 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, (21 November 2003); https://doi.org/10.1117/12.545067

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