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Quadratic spatial solitons in periodically poled KTiOPO4
Hongki Kim1, Ladislav Jankovic, George Stegeman
1Center for Research and Education in Optics and Lasers-School of Optics, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816, USA.
Optics Letters
|April 22, 2003
Abstract:
The evolution of fundamental beams into quadratic spatial solitons was investigated in a periodically poled bulk KTiOPO4 crystal near and at phase matching. Various soliton properties, such as trapping efficiency as a function of phase mismatch, poling-induced walk-off, and the effects of pulse width, beam width, and input beam quality, were measured. Effects attributed to the presence of cubic nonlinearities were also observed.