Cloning of symmetric d-level photonic states in physical systems

Details Cloning of symmetric d-level photonic states in physical systems Cloning of symmetric d-level photonic states in physical systems

2001-12-17

arxiv.org/abs/quant-ph/0112094v2

Phys.Rev.A66, 024307 (2002)

Physics

Quantum Physics

Revtex, 4 pages

Scientific paper

10.1103/PhysRevA.66.024307

Optimal procedures play an important role in quantum information. It turns out that some naturally occurring processes like emission of light from an atom can realize optimal transformations. Here we study how arbitrary symmetric states of a number of d-level systems can be cloned using a multilevel atomic system. It is shown that optimality is always ensured even though the output number of systems is probabilistic.

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