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- W2088604328 abstract "We generated dark photovoltaic spatial solitons in the iron doped lithium niobate, and we studied the generationprocess with a numerical model. The Schrodinger nonlinear equation was simulated with BPM (beam propagationmethod). This numerical method is also called symmetrical split-step Fourier method. For the generation ofdark solitons, we used both the amplitude mask and the phase mask. The amplitude mask generated the evennumber of solitons, and the phase mask created the odd number of solitons. Every result from our experimentcan be verified with BPM. The numerical program was programmed in Matlab. We created dark photovoltaicsolitons in a bulk crystal with the optical intensity 1 - 10 mW/cm2, and the soliton's FWHM about 5-18μm. We observed the temporal evolution of the one-dimensional dark photovoltaic solitons under open-circuitcondition and the self-defocusing effect of the laser beam. The steady-state measurement (stable soliton) wasobtained after a 6-15 min exposure. For the generation the argon ion laser beam at the wavelength of 514nmwas used. It was polarized along the optical axis and collimated to a diameter of about 2mm on the input face.The resulting index perturbation forms a planar waveguide." @default.
- W2088604328 created "2016-06-24" @default.
- W2088604328 creator A5004078052 @default.
- W2088604328 date "2007-05-04" @default.
- W2088604328 modified "2023-09-23" @default.
- W2088604328 title "Dark photovoltaic spatial solitons: experiment and numerical solution" @default.
- W2088604328 doi "https://doi.org/10.1117/12.722813" @default.
- W2088604328 hasPublicationYear "2007" @default.
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