We demonstrate two-dimensional spatial solitons excited by near-infrared picosecond pulses in Kerr-like heavy metal oxide glasses with a nonlinearity one order of magnitude larger than in fused silica. Solitons were obtained at 820 nm owing to the presence of multiphoton absorption, which prevented catastrophic collapse.
Pasquazi, A., Stivala, S., Assanto, G., Gonzalo, J., Solis, J., Afonso, C.N. (2007). Near-infrared spatial solitons in heavy metal oxide glasses. OPTICS LETTERS, 32, 2103-2105.
Near-infrared spatial solitons in heavy metal oxide glasses
STIVALA, Salvatore;
2007-01-01
Abstract
We demonstrate two-dimensional spatial solitons excited by near-infrared picosecond pulses in Kerr-like heavy metal oxide glasses with a nonlinearity one order of magnitude larger than in fused silica. Solitons were obtained at 820 nm owing to the presence of multiphoton absorption, which prevented catastrophic collapse.
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