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Asymmetric properties between the forward and backward stimulated emission generated by ultrafast three- and four-photon excitation

He, Guang S; Lu, Changgui; Zheng, Qingdong; Baev, Alexander; Samoc, Marek; Prasad, Paras N


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]

CollectionsANU Research Publications
Date published: 2006-03-22
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.73.033815


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