Gediminas Juska, Valeria Dimastrodonato, Lorenzo O. Mereni, Agnieszka Gocalinska, Emanuele Pelucchi
Published 2014-02-07Version 1
We show that with a new family of pyramidal site-controlled InGaAsN quantum dots it is possible to obtain areas containing as much as 15% of polarization-entangled photon emitters - a major improvement if compared to the small fraction achievable by other quantum dot systems. Entanglement is attested by a two-photon polarization state density matrix and the parameters obtained from it. Emitters showing fidelities up to 0.721+-0.043 were found.
Journal: Nature Photonics 7 527 2013
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