The generation of two-dimensional bright spatial soliton sets in
lithium niobate sample has been experimentally demonstrated at light wavelength
of 532 nm, contribution of pyroelectric effect into nonlinear optical response
of the crystal, and spatial modulation of one-dimensional beam along direction
normal to the crystal optical axis. Diameters of soliton beams and channel
waveguides formed within the crystal bulk by these solitons are near to 20 μm
at light polarization corresponding to extraordinary wave of the crystal.
Source:IOPscience
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