Phys. Rev. A 70, 022323 (2004) [5 pages]Transfer of an unknown quantum state, quantum networks, and memoryReceived 13 May 2003; revised 19 May 2004; published 27 August 2004 We present a protocol for transfer of an unknown quantum state. The protocol is based on a two-mode cavity interacting dispersively in a sequential manner with three-level atoms in the Λ configuration. We propose a scheme for quantum networking using an atomic channel. We investigate the effect of cavity decoherence in the entire process. Further, we demonstrate the possibility of an efficient quantum memory for arbitrary superposition of two modes of a cavity containing one photon. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.022323
DOI:
10.1103/PhysRevA.70.022323
PACS:
03.67.Hk, 42.50.Pq
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