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    Pushing periodic disorder induced phase-matching into deep-ultraviolet spectral region

    Phase matching condition is the key criteria for efficient nonlinear frequency conversion. Here, Scientists in China employed an additional periodic phase (APP) technique to meet the phase-matching condition in quartz crystal and experimentally demonstrated the efficient nonlinear frequency conversion from the visible to the deep-ultraviolet spectral region. The APP theory and generated visible to deep-ultraviolet radiation would revolutionize next-generation nonlinear photonics and their further applications. …read more

    Source:: Physorg Physics


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