Roles of resonance and dark irradiance for infrared photorefractive self-focusing and solitons in bi-polar InP:Fe

Abstract : This paper shows experimental evidence of photorefractive steady state self-focusing in InP:Fe for a wide range of intensities, at both 1.06 and 1.55µm. To explain those results, it is shown that despite the bi-polar nature of InP:Fe where one photocarrier and one thermal carrier are to be considered, the long standing one photocarrier model for photorefractive solitons can be usefully applied. The relationship between the dark irradiance stemming out of this model and the known resonance intensity is then discussed.
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Submitted on : Monday, May 28, 2007 - 10:37:58 AM
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Nicolas Fressengeas, Naima Khelfaoui, Cristian Dan, Delphine Wolfersberger, Germano Montemezzani, et al.. Roles of resonance and dark irradiance for infrared photorefractive self-focusing and solitons in bi-polar InP:Fe. Physical Review A, American Physical Society, 2007, 75, pp.063834. ⟨10.1103/PhysRevA.75.063834⟩. ⟨hal-00149011v2⟩

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