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|Title:||Nonlinear frequency conversion with quasi-phase-mismatch effect|
|Authors:||Guo, H. |
|Citation:||Guo, H., Tang, S.H., Qin, Y., Zhu, Y.Y. (2005-06). Nonlinear frequency conversion with quasi-phase-mismatch effect. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 71 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.71.066615|
|Abstract:||In conventional frequency conversion based on χ(2)-induced nonlinear optical effects, a number of phase-matching techniques have been deployed to resolve the phase mismatch between the interacting waves. In this work, we report that in the quasi-phase-matching scheme, the accumulation of the phase mismatch can induce a quasi-phase-mismatch effect. And on the contrary, instead of eliminating the phase mismatch, modulating the quasi-phase-mismatch effect can lead to bandwidth enhancement and multiple-wavelength conversion. Both of these are essential factors for applications in nonlinear frequency conversion. As examples, designs with reset-periodic and cascaded-periodic optical superlattices based on such modulation are presented. © 2005 The American Physical Society.|
|Source Title:||Physical Review E - Statistical, Nonlinear, and Soft Matter Physics|
|Appears in Collections:||Staff Publications|
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