|
| related topics |
| {trap, ion, state} |
| {level, atom, field} |
| {qubit, qubits, gate} |
| {photon, photons, single} |
| {light, field, probe} |
| {cavity, atom, atoms} |
| {spin, pulse, spins} |
| {entanglement, phys, rev} |
| {state, phys, rev} |
|
Fast Quantum State Control of a Single Trapped Neutral Atom
Matthew P. A. Jones, Jerome Beugnon, Alpha Gaëtan, Junxiang Zhang, Gaetan Messin, Antoine Browaeys, Philippe Grangier
abstract: We demonstrate the initialisation, read-out and high-speed manipulation of a
qubit stored in a single 87 Rb atom trapped in a submicron-size optical
tweezer. Single qubit rotations are performed on a sub-100 ns time scale using
two-photon Raman transitions. Using the ``spin-echo'' technique, we measure an
irreversible dephasing time of 34 ms. The read-out of the single atom qubit is
at the quantum projection noise limit when averaging up to 1000 individual
events.
- oai_identifier:
- oai:arXiv.org:quant-ph/0609134
- categories:
- quant-ph
- doi:
- 10.1103/PhysRevA.75.040301
- arxiv_id:
- quant-ph/0609134
- journal_ref:
- Physical review A 75 (11/04/2007) 040301(R)
- created:
- 2006-09-18
- updated:
- 2007-04-24
Full article ▸
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