Effect of detuning on the few-cycle laser pulse propagation in the three-level atomic medium
Lei Wang, Bian Liang, Zhen-dong Wang, Xi-jun Fan
Optoelectronics Letters ›› 2010, Vol. 6 ›› Issue (2) : 157-160.
Effect of detuning on the few-cycle laser pulse propagation in the three-level atomic medium
The effect of detuning on the few-cycle laser pulse propagation in the ladder-type three-level atomic medium is investigated by using the numerical solution from the Maxwell-Bloch equations without the slowly varying envelope and rotating-wave approximations. The results show that in the resonance case, the obvious variation of the pulse form, including the carrierenvelope phase, the pulse duration, the oscillation amplitude and frequency, even the pulse splitting will occur in the propagation, and the output pulse is much different from the input. In the off-resonance case, the varying detuning also can lead to the considerable variation of the pulse form in the propagation. However, with an appropriate detuning, the selfinduced transparency can be realized, and the output pulse exactly the same as the input can be obtained.
Output Pulse / Resonance Case / Resonant Case / Pulse Form / Atomic Medium
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This work has been supported by the National Basic Research Program of China (No. 2006CB806000), and the Open Fund of the State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, China.
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