Abstract
A sharp intense sub-Doppler feature is predicted in the probe absorption spectrum of an atomic four-level system when a hyperfine-split state interacts with a single pump. The sub-Doppler feature, which is flanked by two power-broadened transparency windows, is obtained when the frequency of the pump is greater than that of the probe, and the residual Doppler broadening is significant.
| Original language | English |
|---|---|
| Pages (from-to) | 3591-3595 |
| Number of pages | 5 |
| Journal | Optics Communications |
| Volume | 282 |
| Issue number | 17 |
| DOIs | |
| State | Published - 1 Sep 2009 |
Keywords
- Dark resonance
- Doppler broadening
- Interference
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