Quantum telecloning - Ghiu, Iulia
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Quantum cryptography, quantum teleportation, and quantum computation are only a few schemes, which achieve tasks that are not possible with classical physics. These three protocols belong to a very new and at the same time rapidly progressing field called quantum information theory. In this book, we present an important application of quantum information processing: quantum telecloning. The original quantum teleportation scheme enables the transmission of an unknown state from one observer to another observer situated at a different location. We propose a generalization of this protocol called…mehr

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Produktbeschreibung
Quantum cryptography, quantum teleportation, and quantum computation are only a few schemes, which achieve tasks that are not possible with classical physics. These three protocols belong to a very new and at the same time rapidly progressing field called quantum information theory. In this book, we present an important application of quantum information processing: quantum telecloning. The original quantum teleportation scheme enables the transmission of an unknown state from one observer to another observer situated at a different location. We propose a generalization of this protocol called many-to-many teleportation, where the information is distributed from N senders to M receivers. The no-cloning theorem imposes that an arbitrary pure quantum state cannot be copied. By combining the many-to-many teleportation and approximate cloning, we propose the telecloning of entanglement from one pair of senders to two pairs of receivers. Further, we show how a two-output quantum processor can be built based on asymmetric telecloning of a d-level system.
Autorenporträt
Iulia Ghiu received her PhD in Physics from the University of Bucharest in June 2007. Her research is focused on quantum information processing and quantum optics. Since 2009, she is a lecturer at the University of Bucharest, Department of Physics.