| Issue |
EPL
Volume 93, Number 2, March 2011
|
|
|---|---|---|
| Article Number | 23002 | |
| Number of page(s) | 5 | |
| Section | Atomic, Molecular and Optical Physics | |
| DOI | https://doi.org/10.1209/0295-5075/93/23002 | |
| Published online | 03 February 2011 | |
Measurement of ac-Stark shift by a two-photon dressing process via four-wave mixing
1
Department of Physics, University of Arkansas - Fayetteville, AR 72701, USA
2
Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Xi'an Jiaotong University Xi'an 710049, China
a
huaibinzheng@hotmail.com
b
mxiao@uark.edu
Received:
22
November
2010
Accepted:
4
January
2011
By setting laser beams in two-photon Doppler-free configurations for both cascade and Λ-type subsystems in a four-level inverted-Y system, a four-wave mixing (FWM) process is studied and optimized within the Doppler profile. The two-photon ac-Stark effect in the FWM signal is observed, which can be used to determine the energy level shift of the atom due to dressing fields.
PACS: 32.80.Qk – Coherent control of atomic interactions with photons / 42.50.Gy – Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption / 42.65.-k – Nonlinear optics
© EPLA, 2011
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