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Phys. Rev. A 59, 559–568 (1999)

Population transfer in N-level systems assisted by dressing fields

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Takashi Nakajima
The Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan

Received 12 March 1998; published in the issue dated January 1999

We analyze N-level systems for population transfer by counterintuitive pulse delay, in which N-2 intermediate states are strongly coupled by dressing laser fields. We have carried out specific analysis for the four- and five-level systems using a dressed-state picture, as representatives for even-N- and odd-N-level systems, respectively. We have found that the dynamics of the systems are essentially different for even-N- and odd-N-level systems, and that complete population transfer assisted by dressing fields is more restrictive for even-N-level systems than for odd-N-level systems.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.59.559
DOI:
10.1103/PhysRevA.59.559
PACS:
32.80.Qk, 42.50.Hz, 32.80.Rm, 33.80.Rv