|
| related topics |
| {level, atom, field} |
| {phase, path, phys} |
| {cos, sin, state} |
| {time, decoherence, evolution} |
| {energy, state, states} |
| {temperature, thermal, energy} |
| {time, wave, function} |
| {trap, ion, state} |
| {state, states, coherent} |
| {entanglement, phys, rev} |
| {classical, space, random} |
|
Phase-dependent interaction in a 4-level atomic configuration
Giovanna Morigi, Sonja Franke-Arnold, Gian-Luca Oppo
abstract: We study a four-level atomic scheme interacting with four lasers in a
closed-loop configuration with a $\diamondsuit$ (diamond) geometry. We
investigate the influence of the laser phases on the steady state. We show
that, depending on the phases and the decay characteristic, the system can
exhibit a variety of behaviors, including population inversion and complete
depletion of an atomic state. We explain the phenomena in terms of multi-photon
interference. We compare our results with the phase-dependent phenomena in the
double-$\Lambda$ scheme, as studied in [Korsunsky and Kosachiov, Phys. Rev A
{\bf 60}, 4996 (1999)]. This investigation may be useful for developing
non-linear optical devices, and for the spectroscopy and laser-cooling of
alkali-earth atoms.
- oai_identifier:
- oai:arXiv.org:quant-ph/0207087
- categories:
- quant-ph
- comments:
- 4 figures
- doi:
- 10.1103/PhysRevA.66.053409
- arxiv_id:
- quant-ph/0207087
- journal_ref:
- Phys. Rev. A 66, 053409 (2002).
- created:
- 2002-07-16
Full article ▸
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