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| related topics |
| {trap, ion, state} |
| {state, phys, rev} |
| {qubit, qubits, gate} |
| {energy, state, states} |
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Quantum processing photonic states in optical lattices
Christine A. Muschik, Ines de Vega, Diego Porras, J. Ignacio Cirac
abstract: The mapping of photonic states to collective excitations of atomic ensembles
is a powerful tool which finds a useful application in the realization of
quantum memories and quantum repeaters. In this work we show that cold atoms in
optical lattices can be used to perform an entangling unitary operation on the
transferred atomic excitations. After the release of the quantum atomic state,
our protocol results in a deterministic two qubit gate for photons. The
proposed scheme is feasible with current experimental techniques and robust
against the dominant sources of noise.
- oai_identifier:
- oai:arXiv.org:quant-ph/0611093
- categories:
- quant-ph
- comments:
- 4 pages, 4 figures
- arxiv_id:
- quant-ph/0611093
- created:
- 2006-11-08
- updated:
- 2007-01-31
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