Acta Optica Sinica, Volume. 21, Issue 6, 647(2001)
Solitary Evolution of Gauss Beam in Photovoltaic-Photorefractive Crystal
The impact of an applied field on the propagation of a Gauss beam in the photovotaic-photorefractive crystal is investigated. It indicates that, in a photovotaic-photorefractive crystal with a proper applied field, a Gauss beam can evolve into steady-state bright screening-photovoltaic optical soliton. If the applied field is not proper, the Gauss beam will experience cycles of compression and expansion. The intensity and polarity of the applied field have a remarkable influence on the wave shape of steady state bright screening-photovoltaic optical soliton. However, the polarity has a larger influence on it as compared with the intensity of the applied field.
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[in Chinese], [in Chinese], [in Chinese]. Solitary Evolution of Gauss Beam in Photovoltaic-Photorefractive Crystal[J]. Acta Optica Sinica, 2001, 21(6): 647