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Dynamic computer-generated nonlinear optical holograms in a non-collinear second-harmonic generation process
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DOI：10.1364/OL.43.003236.png)
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Abstract
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The nonlinear holography technique is a powerful tool for all-optical switching and manipulation of an arbitrary harmonic wave. The common method of realizing such nonlinear holography is by configuring the structure of nonlinear photonic crystals. However, it is a challenge to dynamically tune the harmonic wave pattern. To overcome the long-term existing non-dynamic property of such nonlinear holographs, we realize dynamic computer-generated nonlinear optical holograms in the non-collinear second-harmonic (SH) generation process in which only one infrared beam is modulated. Arbitrary patterns in both fundamental-frequency and second-harmonic wavebands can be generated at the same time. This Letter offers a flexible and dynamic method for arbitrary nonlinear wavefront shaping technology. (c) 2018 Optical Society of America
Keywords:
ORBITAL ANGULAR-MOMENTUM
LIGHT-BEAMS
CRYSTALS
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