Asymmetric properties between the forward and backward stimulated emission generated by ultrafast three- and four-photon excitation
This paper presents the observation of asymmetric behavior between the forward and backward stimulated emission, generated in multiphoton active dye solutions, through three- or four-photon excitation of subpicosecond laser pulses. At a pump energy level considerably higher than the lasing threshold value, the peak wavelengths of the forward stimulated emission are 20–30-nm shorter than those of the backward stimulated emission for the two investigated stilbazolium dye solutions (PRL-L3 and...[Show more]
|Collections||ANU Research Publications|
|Source:||Physical Review A: Atomic, Molecular and Optical Physics|
|He_Asymmetric2006.pdf||549.44 kB||Adobe PDF|
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