Scientific Results

Amplitude and phase reconstruction of photorefractive spatial bright-soliton in LiNbO3 during its dynamic formation by digital holography

Year: 2007

Authors: Paturzo M., Miccio L., De Nicola S., De Natale P., Ferraro P.

Autors Affiliation: CNR – Istituto Nazionale di Ottica Applicata and LENS, European Laboratory for Non-Linear Spectroscopy, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy

Abstract: The time behaviour of bright spatial solitons in congruent undoped lithium niobate crystal is experimentally investigated. Full field characterization of the optical wavefront emerging from the crystal during the soliton formation process is performed by digital holographic method. Experimental results of the amplitude and phase maps of the field distribution at the exit face of the crystal allow the real-time monitoring of the evolution of the soliton beam from the application of the external field to the end of the process when the generation of the channel waveguide appears to be stable. The features of the dynamics of the soliton formation are visualized, analyzed and compared to a time-dependent numerical model. (C) 2007 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 15 (13)      Pages from: 8243  to: 8251

KeyWords: Characterization; Holography; Lithium compounds; Mathematical models; Real time control; Single crystals; Solitons; Waveguides, Digital holography; Dynamic formation; Phase reconstruction; Real-time monitoring, Photorefractive materials
DOI: 10.1364/OE.15.008243

Citations: 17
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